diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi
index 9470ed9afcc07238077440312c24af3d5ef88ad0..f27be7d1a49f4038951827c583734b1cf1be3125 100644
--- a/Documentation/ABI/testing/sysfs-firmware-acpi
+++ b/Documentation/ABI/testing/sysfs-firmware-acpi
@@ -29,46 +29,46 @@ Description:
$ cd /sys/firmware/acpi/interrupts
$ grep . *
- error:0
- ff_gbl_lock:0
- ff_pmtimer:0
- ff_pwr_btn:0
- ff_rt_clk:0
- ff_slp_btn:0
- gpe00:0
- gpe01:0
- gpe02:0
- gpe03:0
- gpe04:0
- gpe05:0
- gpe06:0
- gpe07:0
- gpe08:0
- gpe09:174
- gpe0A:0
- gpe0B:0
- gpe0C:0
- gpe0D:0
- gpe0E:0
- gpe0F:0
- gpe10:0
- gpe11:60
- gpe12:0
- gpe13:0
- gpe14:0
- gpe15:0
- gpe16:0
- gpe17:0
- gpe18:0
- gpe19:7
- gpe1A:0
- gpe1B:0
- gpe1C:0
- gpe1D:0
- gpe1E:0
- gpe1F:0
- gpe_all:241
- sci:241
+ error: 0
+ ff_gbl_lock: 0 enable
+ ff_pmtimer: 0 invalid
+ ff_pwr_btn: 0 enable
+ ff_rt_clk: 2 disable
+ ff_slp_btn: 0 invalid
+ gpe00: 0 invalid
+ gpe01: 0 enable
+ gpe02: 108 enable
+ gpe03: 0 invalid
+ gpe04: 0 invalid
+ gpe05: 0 invalid
+ gpe06: 0 enable
+ gpe07: 0 enable
+ gpe08: 0 invalid
+ gpe09: 0 invalid
+ gpe0A: 0 invalid
+ gpe0B: 0 invalid
+ gpe0C: 0 invalid
+ gpe0D: 0 invalid
+ gpe0E: 0 invalid
+ gpe0F: 0 invalid
+ gpe10: 0 invalid
+ gpe11: 0 invalid
+ gpe12: 0 invalid
+ gpe13: 0 invalid
+ gpe14: 0 invalid
+ gpe15: 0 invalid
+ gpe16: 0 invalid
+ gpe17: 1084 enable
+ gpe18: 0 enable
+ gpe19: 0 invalid
+ gpe1A: 0 invalid
+ gpe1B: 0 invalid
+ gpe1C: 0 invalid
+ gpe1D: 0 invalid
+ gpe1E: 0 invalid
+ gpe1F: 0 invalid
+ gpe_all: 1192
+ sci: 1194
sci - The total number of times the ACPI SCI
has claimed an interrupt.
@@ -89,6 +89,13 @@ Description:
error - an interrupt that can't be accounted for above.
+ invalid: it's either a wakeup GPE or a GPE/Fixed Event that
+ doesn't have an event handler.
+
+ disable: the GPE/Fixed Event is valid but disabled.
+
+ enable: the GPE/Fixed Event is valid and enabled.
+
Root has permission to clear any of these counters. Eg.
# echo 0 > gpe11
@@ -97,3 +104,43 @@ Description:
None of these counters has an effect on the function
of the system, they are simply statistics.
+
+ Besides this, user can also write specific strings to these files
+ to enable/disable/clear ACPI interrupts in user space, which can be
+ used to debug some ACPI interrupt storm issues.
+
+ Note that only writting to VALID GPE/Fixed Event is allowed,
+ i.e. user can only change the status of runtime GPE and
+ Fixed Event with event handler installed.
+
+ Let's take power button fixed event for example, please kill acpid
+ and other user space applications so that the machine won't shutdown
+ when pressing the power button.
+ # cat ff_pwr_btn
+ 0
+ # press the power button for 3 times;
+ # cat ff_pwr_btn
+ 3
+ # echo disable > ff_pwr_btn
+ # cat ff_pwr_btn
+ disable
+ # press the power button for 3 times;
+ # cat ff_pwr_btn
+ disable
+ # echo enable > ff_pwr_btn
+ # cat ff_pwr_btn
+ 4
+ /*
+ * this is because the status bit is set even if the enable bit is cleared,
+ * and it triggers an ACPI fixed event when the enable bit is set again
+ */
+ # press the power button for 3 times;
+ # cat ff_pwr_btn
+ 7
+ # echo disable > ff_pwr_btn
+ # press the power button for 3 times;
+ # echo clear > ff_pwr_btn /* clear the status bit */
+ # echo disable > ff_pwr_btn
+ # cat ff_pwr_btn
+ 7
+
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 312fe77764a48cba9fb04e000fc2dffeba7fa978..5e497d16fb51a036e7b80af6b6151ddbe89603c9 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -818,7 +818,7 @@ and is between 256 and 4096 characters. It is defined in the file
See Documentation/ide/ide.txt.
idle= [X86]
- Format: idle=poll or idle=mwait
+ Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
Poll forces a polling idle loop that can slightly improves the performance
of waking up a idle CPU, but will use a lot of power and make the system
run hot. Not recommended.
@@ -826,6 +826,9 @@ and is between 256 and 4096 characters. It is defined in the file
to not use it because it doesn't save as much power as a normal idle
loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
as idle=poll.
+ idle=halt. Halt is forced to be used for CPU idle.
+ In such case C2/C3 won't be used again.
+ idle=nomwait. Disable mwait for CPU C-states
ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
Claim all unknown PCI IDE storage controllers.
diff --git a/Documentation/laptops/acer-wmi.txt b/Documentation/laptops/acer-wmi.txt
index 79b7dbd2214190ae9bf9bce988faa176491c5bce..69b5dd4e5a59bd74550397266122c465a8a12b5f 100644
--- a/Documentation/laptops/acer-wmi.txt
+++ b/Documentation/laptops/acer-wmi.txt
@@ -174,8 +174,6 @@ The LED is exposed through the LED subsystem, and can be found in:
The mail LED is autodetected, so if you don't have one, the LED device won't
be registered.
-If you have a mail LED that is not green, please report this to me.
-
Backlight
*********
diff --git a/MAINTAINERS b/MAINTAINERS
index ee1c56a20750699c3e797629169a8a748dcf7f33..633bda666e45251a9db4001d57447bf870380b1f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -216,8 +216,8 @@ W: http://code.google.com/p/aceracpi
S: Maintained
ACPI
-P: Len Brown
-M: len.brown@intel.com
+P: Andi Kleen
+M: ak@linux.intel.com
M: lenb@kernel.org
L: linux-acpi@vger.kernel.org
W: http://www.lesswatts.org/projects/acpi/
@@ -239,8 +239,8 @@ W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI FAN DRIVER
-P: Len Brown
-M: len.brown@intel.com
+P: Zhang Rui
+M: rui.zhang@intel.com
L: linux-acpi@vger.kernel.org
W: http://www.lesswatts.org/projects/acpi/
S: Supported
@@ -252,14 +252,14 @@ L: pcihpd-discuss@lists.sourceforge.net
S: Supported
ACPI THERMAL DRIVER
-P: Len Brown
-M: len.brown@intel.com
+P: Zhang Rui
+M: rui.zhang@intel.com
L: linux-acpi@vger.kernel.org
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI VIDEO DRIVER
-P: Rui Zhang
+P: Zhang Rui
M: rui.zhang@intel.com
L: linux-acpi@vger.kernel.org
W: http://www.lesswatts.org/projects/acpi/
@@ -1160,6 +1160,11 @@ M: scott@spiteful.org
L: pcihpd-discuss@lists.sourceforge.net
S: Supported
+COMPAL LAPTOP SUPPORT
+P: Cezary Jackiewicz
+M: cezary.jackiewicz@gmail.com
+S: Maintained
+
COMPUTONE INTELLIPORT MULTIPORT CARD
P: Michael H. Warfield
M: mhw@wittsend.com
@@ -1787,6 +1792,12 @@ P: David Howells
M: dhowells@redhat.com
S: Maintained
+FUJITSU LAPTOP EXTRAS
+P: Jonathan Woithe
+M: jwoithe@physics.adelaide.edu.au
+L: linux-acpi@vger.kernel.org
+S: Maintained
+
FUSE: FILESYSTEM IN USERSPACE
P: Miklos Szeredi
M: miklos@szeredi.hu
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index fabaf08d9a695bbb088951da7e96af4a9b640443..3ab8373103ecf9252f1ceeff4f2076e8da471113 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -55,6 +55,10 @@ void (*ia64_mark_idle)(int);
unsigned long boot_option_idle_override = 0;
EXPORT_SYMBOL(boot_option_idle_override);
+unsigned long idle_halt;
+EXPORT_SYMBOL(idle_halt);
+unsigned long idle_nomwait;
+EXPORT_SYMBOL(idle_nomwait);
void
ia64_do_show_stack (struct unw_frame_info *info, void *arg)
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index de2d2e4ebad97217be93de05b32886cfa09d0526..7c074eec39fb56ebff16c26f3351b6eae79cca50 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -56,6 +56,12 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
if (cpu_has(c, X86_FEATURE_ACPI))
buf[2] |= ACPI_PDC_T_FFH;
+ /*
+ * If mwait/monitor is unsupported, C2/C3_FFH will be disabled
+ */
+ if (!cpu_has(c, X86_FEATURE_MWAIT))
+ buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
+
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
obj->buffer.pointer = (u8 *) buf;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 7dceea947232f5739b7844c10ba9c2b22f336e95..4d629c62f4f8fbb993a49c0d5f12d7e88bbd94b5 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -7,6 +7,12 @@
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/clockchips.h>
+#include <asm/system.h>
+
+unsigned long idle_halt;
+EXPORT_SYMBOL(idle_halt);
+unsigned long idle_nomwait;
+EXPORT_SYMBOL(idle_nomwait);
struct kmem_cache *task_xstate_cachep;
@@ -325,7 +331,27 @@ static int __init idle_setup(char *str)
pm_idle = poll_idle;
} else if (!strcmp(str, "mwait"))
force_mwait = 1;
- else
+ else if (!strcmp(str, "halt")) {
+ /*
+ * When the boot option of idle=halt is added, halt is
+ * forced to be used for CPU idle. In such case CPU C2/C3
+ * won't be used again.
+ * To continue to load the CPU idle driver, don't touch
+ * the boot_option_idle_override.
+ */
+ pm_idle = default_idle;
+ idle_halt = 1;
+ return 0;
+ } else if (!strcmp(str, "nomwait")) {
+ /*
+ * If the boot option of "idle=nomwait" is added,
+ * it means that mwait will be disabled for CPU C2/C3
+ * states. In such case it won't touch the variable
+ * of boot_option_idle_override.
+ */
+ idle_nomwait = 1;
+ return 0;
+ } else
return -1;
boot_option_idle_override = 1;
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index f41d67f8f83153b7ed079b05131ad878ac7235be..1eb2973a301ce4552e931fb1968a27ae46771fd0 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -156,10 +156,9 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *memory_affinity)
num_memory_chunks++;
- printk(KERN_DEBUG "Memory range %08lx to %08lx (type %x)"
+ printk(KERN_DEBUG "Memory range %08lx to %08lx"
" in proximity domain %02x %s\n",
start_pfn, end_pfn,
- memory_affinity->memory_type,
pxm,
((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
"enabled and removable" : "enabled" ) );
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 40b0fcae4c78a71ac083119c96f6396e6e3bab07..4efbe598c817cfdeb58b8c41a4e67a33a08623c5 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -21,7 +21,7 @@ obj-$(CONFIG_X86) += blacklist.o
#
# ACPI Core Subsystem (Interpreter)
#
-obj-y += osl.o utils.o \
+obj-y += osl.o utils.o reboot.o\
dispatcher/ events/ executer/ hardware/ \
namespace/ parser/ resources/ tables/ \
utilities/
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index 61b6c5beb2d347d32d1fe1e3ee1ff8195e5f731d..e6caf5d42e0eb72a7f49a9b44fa00c290937dbcf 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -377,6 +377,9 @@ static int __init bay_init(void)
INIT_LIST_HEAD(&drive_bays);
+ if (acpi_disabled)
+ return -ENODEV;
+
if (acpi_disabled)
return -ENODEV;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a6dbcf4d9ef57dcdfa93ecc045e51fd60a4b20d1..afb34387d5f284b02709448b70beeb199587e1d4 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -612,7 +612,7 @@ static int __init acpi_bus_init_irq(void)
return 0;
}
-acpi_native_uint acpi_gbl_permanent_mmap;
+u8 acpi_gbl_permanent_mmap;
void __init acpi_early_init(void)
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index 610b1ee102b02c9b9e3bdb6f3a5fea8599a7cb1b..949f7c75029ee05380cc23e01f17c6e2d43e6fe1 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -151,7 +151,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
******************************************************************************/
acpi_status
-acpi_ds_initialize_objects(acpi_native_uint table_index,
+acpi_ds_initialize_objects(u32 table_index,
struct acpi_namespace_node * start_node)
{
acpi_status status;
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 2509809a36cf3bb4ac269bb2b09c80fb869a1454..4613b9ca57929f5c4ba867c6f8aa496a887d3dbe 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -377,7 +377,6 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
}
info->parameters = &this_walk_state->operands[0];
- info->parameter_type = ACPI_PARAM_ARGS;
status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
obj_desc->method.aml_start,
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index a818e0ddb996c0bf124a6060adc25cf74f5f2cd4..6a81c4400edf4767b770fcec8cfe807d8ce36ade 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -691,12 +691,6 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
status = acpi_ex_resolve_operands(op->common.aml_opcode,
ACPI_WALK_OPERANDS, walk_state);
-
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name(op->common.aml_opcode),
- walk_state->num_operands,
- "after AcpiExResolveOperands");
-
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
acpi_ps_get_opcode_name(op->common.aml_opcode),
@@ -785,10 +779,6 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name(op->common.aml_opcode),
- 1, "after AcpiExResolveOperands");
-
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
return_ACPI_STATUS(AE_NOT_EXIST);
@@ -848,7 +838,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
union acpi_operand_object **operand;
struct acpi_namespace_node *node;
union acpi_parse_object *next_op;
- acpi_native_uint table_index;
+ u32 table_index;
struct acpi_table_header *table;
ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
@@ -882,10 +872,6 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name(op->common.aml_opcode),
- 1, "after AcpiExResolveOperands");
-
operand = &walk_state->operands[0];
/* Find the ACPI table */
@@ -1091,10 +1077,8 @@ acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name(op->common.aml_opcode),
- 1, "after AcpiExResolveOperands");
-
+ ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
+ acpi_ps_get_opcode_name(op->common.aml_opcode), 1);
/*
* Get the bank_value operand and save it
* (at Top of stack)
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index b246b9657eada3b0c2f7e2fd55eb156ce78ed7a9..b5072fa9c9205210ac731f45237a22cfd52c0d8a 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -408,14 +408,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
[walk_state->
num_operands - 1]),
walk_state);
- if (ACPI_SUCCESS(status)) {
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
- ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name
- (walk_state->opcode),
- walk_state->num_operands,
- "after ExResolveOperands");
- }
}
if (ACPI_SUCCESS(status)) {
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index 1386ced332ecedcacdd0a7c3d61fdcf89f409b20..b00d4af791aaa7829e4c020fdc19680dba1b1433 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -70,7 +70,7 @@ acpi_status
acpi_ds_result_pop(union acpi_operand_object **object,
struct acpi_walk_state *walk_state)
{
- acpi_native_uint index;
+ u32 index;
union acpi_generic_state *state;
acpi_status status;
@@ -122,7 +122,7 @@ acpi_ds_result_pop(union acpi_operand_object **object,
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Obj=%p [%s] Index=%X State=%p Num=%X\n", *object,
acpi_ut_get_object_type_name(*object),
- (u32) index, walk_state, walk_state->result_count));
+ index, walk_state, walk_state->result_count));
return (AE_OK);
}
@@ -146,7 +146,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
{
union acpi_generic_state *state;
acpi_status status;
- acpi_native_uint index;
+ u32 index;
ACPI_FUNCTION_NAME(ds_result_push);
@@ -400,7 +400,7 @@ void
acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
struct acpi_walk_state *walk_state)
{
- acpi_native_int i;
+ s32 i;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
@@ -409,7 +409,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
return;
}
- for (i = (acpi_native_int) (pop_count - 1); i >= 0; i--) {
+ for (i = (s32) pop_count - 1; i >= 0; i--) {
if (walk_state->num_operands == 0) {
return;
}
@@ -615,14 +615,8 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
walk_state->pass_number = pass_number;
if (info) {
- if (info->parameter_type == ACPI_PARAM_GPE) {
- walk_state->gpe_event_info =
- ACPI_CAST_PTR(struct acpi_gpe_event_info,
- info->parameters);
- } else {
- walk_state->params = info->parameters;
- walk_state->caller_return_desc = &info->return_object;
- }
+ walk_state->params = info->parameters;
+ walk_state->caller_return_desc = &info->return_object;
}
status = acpi_ps_init_scope(&walk_state->parser_state, op);
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index bb7c51f712bd6cde630e4e8e5a771ca9d9e5fc55..1e872e79db33bdeaf35cdf4fd049afc0e31acd14 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -917,6 +917,9 @@ static int __init dock_init(void)
dock_station = NULL;
+ if (acpi_disabled)
+ return 0;
+
if (acpi_disabled)
return 0;
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index 5d30e5be1b1c73edad8df547dfa1f7ce9eb55809..c56c5c6ea77b9d5c8cd0d35cc794aad5ed3ba16b 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -188,7 +188,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void)
static acpi_status acpi_ev_fixed_event_initialize(void)
{
- acpi_native_uint i;
+ u32 i;
acpi_status status;
/*
@@ -231,7 +231,7 @@ u32 acpi_ev_fixed_event_detect(void)
u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
u32 fixed_status;
u32 fixed_enable;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_NAME(ev_fixed_event_detect);
@@ -260,7 +260,7 @@ u32 acpi_ev_fixed_event_detect(void)
/* Found an active (signalled) event */
acpi_os_fixed_event_count(i);
- int_status |= acpi_ev_fixed_event_dispatch((u32) i);
+ int_status |= acpi_ev_fixed_event_dispatch(i);
}
}
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 5354be44f87678beda3531645527a8e95a02edaf..c5e53aae86f7c53385f48ec2b30bc47178ed8d45 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -256,7 +256,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
return_ACPI_STATUS(status);
}
- /* Mark wake-disabled or HW disable, or both */
+ /* Clear the appropriate enabled flags for this GPE */
switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
case ACPI_GPE_TYPE_WAKE:
@@ -273,13 +273,23 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
/* Disable the requested runtime GPE */
ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
-
- /* fallthrough */
+ break;
default:
- acpi_hw_write_gpe_enable_reg(gpe_event_info);
+ break;
}
+ /*
+ * Even if we don't know the GPE type, make sure that we always
+ * disable it. low_disable_gpe will just clear the enable bit for this
+ * GPE and write it. It will not write out the current GPE enable mask,
+ * since this may inadvertently enable GPEs too early, if a rogue GPE has
+ * come in during ACPICA initialization - possibly as a result of AML or
+ * other code that has enabled the GPE.
+ */
+ status = acpi_hw_low_disable_gpe(gpe_event_info);
+ return_ACPI_STATUS(status);
+
return_ACPI_STATUS(AE_OK);
}
@@ -305,7 +315,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
{
union acpi_operand_object *obj_desc;
struct acpi_gpe_block_info *gpe_block;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_ENTRY();
@@ -379,8 +389,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
u32 status_reg;
u32 enable_reg;
acpi_cpu_flags flags;
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
ACPI_FUNCTION_NAME(ev_gpe_detect);
@@ -462,13 +472,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
*/
int_status |=
acpi_ev_gpe_dispatch(&gpe_block->
- event_info[(i *
- ACPI_GPE_REGISTER_WIDTH)
- +
- j],
- (u32) j +
- gpe_register_info->
- base_gpe_number);
+ event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number);
}
}
}
@@ -555,10 +559,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
*/
info->prefix_node =
local_gpe_event_info.dispatch.method_node;
- info->parameters =
- ACPI_CAST_PTR(union acpi_operand_object *,
- gpe_event_info);
- info->parameter_type = ACPI_PARAM_GPE;
info->flags = ACPI_IGNORE_RETURN_VALUE;
status = acpi_ns_evaluate(info);
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index e6c4d4c49e79ee1f1fb4d409e60b949b2cff5e05..73c058e2f5c213b9aa3b8e01f958bc7f81b52d26 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -189,8 +189,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_event_info *gpe_event_info;
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
@@ -203,7 +203,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_event_info =
&gpe_block->
- event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+ event_info[((acpi_size) i *
+ ACPI_GPE_REGISTER_WIDTH) + j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
@@ -744,8 +745,8 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
struct acpi_gpe_event_info *gpe_event_info = NULL;
struct acpi_gpe_event_info *this_event;
struct acpi_gpe_register_info *this_register;
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
@@ -983,8 +984,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_gpe_walk_info gpe_info;
u32 wake_gpe_count;
u32 gpe_enabled_count;
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
@@ -1033,7 +1034,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
gpe_event_info =
&gpe_block->
- event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
+ event_info[((acpi_size) i *
+ ACPI_GPE_REGISTER_WIDTH) + j];
if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD)
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 2113e58e2221520b6091155b84ac3ab8b9956197..1d5670be729ab3cc13e8d57c639463adce8788dc 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -575,7 +575,7 @@ acpi_status acpi_ev_release_global_lock(void)
void acpi_ev_terminate(void)
{
- acpi_native_uint i;
+ u32 i;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_terminate);
@@ -589,7 +589,7 @@ void acpi_ev_terminate(void)
/* Disable all fixed events */
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
- status = acpi_disable_event((u32) i, 0);
+ status = acpi_disable_event(i, 0);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not disable fixed event %d",
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index 1628f59347524c9bbf49bc800581b93a224fb5c2..236fbd1ca438ae35c1cff68c76cc0df69556b82f 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -81,7 +81,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
acpi_status acpi_ev_install_region_handlers(void)
{
acpi_status status;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ev_install_region_handlers);
@@ -151,7 +151,7 @@ acpi_status acpi_ev_install_region_handlers(void)
acpi_status acpi_ev_initialize_op_regions(void)
{
acpi_status status;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
@@ -219,7 +219,6 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
info->prefix_node = region_obj2->extra.method_REG;
info->pathname = NULL;
info->parameters = args;
- info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 2e3d2c5e4f4d2a7a7b4571475646fe970733f1e3..6b94b38df07dd30b77580af0459c81e640776d29 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -380,7 +380,7 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
acpi_status status;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
- acpi_native_uint i;
+ u32 i;
/*
* Get the _HID and check for a PCI Root Bridge
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index 99a7502e6a87465894e262b566b99f2a8dec35bf..73bfd6bf962ff9758e910dda2a073b892d76f1cf 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -472,7 +472,6 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
}
ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
-#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
* FUNCTION: acpi_get_event_status
@@ -489,6 +488,7 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
{
acpi_status status = AE_OK;
+ u32 value;
ACPI_FUNCTION_TRACE(acpi_get_event_status);
@@ -506,7 +506,20 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
status =
acpi_get_register(acpi_gbl_fixed_event_info[event].
- status_register_id, event_status);
+ enable_register_id, &value);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ *event_status = value;
+
+ status =
+ acpi_get_register(acpi_gbl_fixed_event_info[event].
+ status_register_id, &value);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ if (value)
+ *event_status |= ACPI_EVENT_FLAG_SET;
return_ACPI_STATUS(status);
}
@@ -566,7 +579,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
}
ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
-#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
* FUNCTION: acpi_install_gpe_block
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 39d7421905840f1437c5408d2e4fe47e31f8b68d..2a32c843cb4a384a3557d80293cc4abef5a000ee 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -53,7 +53,7 @@ ACPI_MODULE_NAME("exconfig")
/* Local prototypes */
static acpi_status
-acpi_ex_add_table(acpi_native_uint table_index,
+acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
@@ -73,7 +73,7 @@ acpi_ex_add_table(acpi_native_uint table_index,
******************************************************************************/
static acpi_status
-acpi_ex_add_table(acpi_native_uint table_index,
+acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
{
@@ -96,7 +96,8 @@ acpi_ex_add_table(acpi_native_uint table_index,
/* Install the new table into the local data structures */
- obj_desc->reference.object = ACPI_CAST_PTR(void, table_index);
+ obj_desc->reference.object = ACPI_CAST_PTR(void,
+ (unsigned long)table_index);
/* Add the table to the namespace */
@@ -128,12 +129,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
{
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
- acpi_native_uint table_index;
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *start_node;
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
struct acpi_table_header *table;
+ u32 table_index;
ACPI_FUNCTION_TRACE(ex_load_table_op);
@@ -280,7 +281,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
{
union acpi_operand_object *ddb_handle;
struct acpi_table_desc table_desc;
- acpi_native_uint table_index;
+ u32 table_index;
acpi_status status;
u32 length;
@@ -437,7 +438,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
{
acpi_status status = AE_OK;
union acpi_operand_object *table_desc = ddb_handle;
- acpi_native_uint table_index;
+ u32 table_index;
struct acpi_table_header *table;
ACPI_FUNCTION_TRACE(ex_unload_table);
@@ -454,9 +455,9 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Get the table index from the ddb_handle */
+ /* Get the table index from the ddb_handle (acpi_size for 64-bit case) */
- table_index = (acpi_native_uint) table_desc->reference.object;
+ table_index = (u32) (acpi_size) table_desc->reference.object;
/* Invoke table handler if present */
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index fd954b4ed83d7fc1cfdbaaa4a42c41e9fbc89473..261d97516d9b3cf69451f0559560b846b265a875 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -288,11 +288,11 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
u16 base, u8 * string, u8 data_width)
{
acpi_integer digit;
- acpi_native_uint i;
- acpi_native_uint j;
- acpi_native_uint k = 0;
- acpi_native_uint hex_length;
- acpi_native_uint decimal_length;
+ u32 i;
+ u32 j;
+ u32 k = 0;
+ u32 hex_length;
+ u32 decimal_length;
u32 remainder;
u8 supress_zeros;
@@ -348,7 +348,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
/* hex_length: 2 ascii hex chars per data byte */
- hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
+ hex_length = ACPI_MUL_2(data_width);
for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
/* Get one hex digit, most significant digits first */
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index 60e62c4f0577aae22c5171500bfc6236b0b75285..ad09696d50690c7116a3eb741dd3d92cb9a49f4d 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -45,8 +45,6 @@
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/actables.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("excreate")
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 74f1b22601b39b4b5106966d211c12fdd62946ee..2be2e2bf95bf1447aa031be9d1cf3a33a46f39a9 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -580,25 +580,22 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case ACPI_TYPE_BUFFER:
- acpi_os_printf("Buffer len %X @ %p\n",
+ acpi_os_printf("Buffer length %.2X @ %p\n",
obj_desc->buffer.length,
obj_desc->buffer.pointer);
- length = obj_desc->buffer.length;
- if (length > 64) {
- length = 64;
- }
-
/* Debug only -- dump the buffer contents */
if (obj_desc->buffer.pointer) {
- acpi_os_printf("Buffer Contents: ");
-
- for (index = 0; index < length; index++) {
- acpi_os_printf(" %02x",
- obj_desc->buffer.pointer[index]);
+ length = obj_desc->buffer.length;
+ if (length > 128) {
+ length = 128;
}
- acpi_os_printf("\n");
+
+ acpi_os_printf
+ ("Buffer Contents: (displaying length 0x%.2X)\n",
+ length);
+ ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
}
break;
@@ -756,54 +753,42 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
*
* FUNCTION: acpi_ex_dump_operands
*
- * PARAMETERS: Operands - Operand list
- * interpreter_mode - Load or Exec
- * Ident - Identification
- * num_levels - # of stack entries to dump above line
- * Note - Output notation
- * module_name - Caller's module name
- * line_number - Caller's invocation line number
+ * PARAMETERS: Operands - A list of Operand objects
+ * opcode_name - AML opcode name
+ * num_operands - Operand count for this opcode
*
- * DESCRIPTION: Dump the object stack
+ * DESCRIPTION: Dump the operands associated with the opcode
*
******************************************************************************/
void
acpi_ex_dump_operands(union acpi_operand_object **operands,
- acpi_interpreter_mode interpreter_mode,
- char *ident,
- u32 num_levels,
- char *note, char *module_name, u32 line_number)
+ const char *opcode_name, u32 num_operands)
{
- acpi_native_uint i;
-
ACPI_FUNCTION_NAME(ex_dump_operands);
- if (!ident) {
- ident = "?";
- }
-
- if (!note) {
- note = "?";
+ if (!opcode_name) {
+ opcode_name = "UNKNOWN";
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "************* Operand Stack Contents (Opcode [%s], %d Operands)\n",
- ident, num_levels));
+ "**** Start operand dump for opcode [%s], %d operands\n",
+ opcode_name, num_operands));
- if (num_levels == 0) {
- num_levels = 1;
+ if (num_operands == 0) {
+ num_operands = 1;
}
- /* Dump the operand stack starting at the top */
+ /* Dump the individual operands */
- for (i = 0; num_levels > 0; i--, num_levels--) {
- acpi_ex_dump_operand(operands[i], 0);
+ while (num_operands) {
+ acpi_ex_dump_operand(*operands, 0);
+ operands++;
+ num_operands--;
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "************* Operand Stack dump from %s(%d), %s\n",
- module_name, line_number, note));
+ "**** End operand dump for [%s]\n", opcode_name));
return;
}
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index e336b5dc7a50431720fa4aa437b85c5f1fd0ff94..9ff9d1f4615d8841eac8650bf4605e7e3cfb24fa 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -153,14 +153,15 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
/*
* Slack mode only: We will go ahead and allow access to this
* field if it is within the region length rounded up to the next
- * access width boundary.
+ * access width boundary. acpi_size cast for 64-bit compile.
*/
if (ACPI_ROUND_UP(rgn_desc->region.length,
obj_desc->common_field.
access_byte_width) >=
- (obj_desc->common_field.base_byte_offset +
- (acpi_native_uint) obj_desc->common_field.
- access_byte_width + field_datum_byte_offset)) {
+ ((acpi_size) obj_desc->common_field.
+ base_byte_offset +
+ obj_desc->common_field.access_byte_width +
+ field_datum_byte_offset)) {
return_ACPI_STATUS(AE_OK);
}
}
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index cc956a5b5267b5e0564b2836b235803bfc170182..731414a581a6226f1d8c53fed278123465b6253c 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -329,8 +329,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Strings is a String */
- return_desc = acpi_ut_create_string_object((acpi_size)
- (operand0->string.
+ return_desc = acpi_ut_create_string_object(((acpi_size)
+ operand0->string.
length +
local_operand1->
string.length));
@@ -352,8 +352,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Buffers is a Buffer */
- return_desc = acpi_ut_create_buffer_object((acpi_size)
- (operand0->buffer.
+ return_desc = acpi_ut_create_buffer_object(((acpi_size)
+ operand0->buffer.
length +
local_operand1->
buffer.length));
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
index 3a2f8cd4c62a9bffc6d27c25ed2b4bff3c112c0c..5d438c32989d892be3d41b08e738c167ff1ad3c2 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/executer/exprep.c
@@ -503,11 +503,11 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
*/
second_desc = obj_desc->common.next_object;
second_desc->extra.aml_start =
- ((union acpi_parse_object *)(info->data_register_node))->
- named.data;
+ ACPI_CAST_PTR(union acpi_parse_object,
+ info->data_register_node)->named.data;
second_desc->extra.aml_length =
- ((union acpi_parse_object *)(info->data_register_node))->
- named.length;
+ ACPI_CAST_PTR(union acpi_parse_object,
+ info->data_register_node)->named.length;
break;
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 7cd8bb54fa016ba38aa07a7f1109e8304a7a8c05..7a41c409ae4d89e14165c8f28bdc131d88d1b5e1 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -156,7 +156,7 @@ acpi_ex_system_memory_space_handler(u32 function,
/* Create a new mapping starting at the address given */
mem_info->mapped_logical_address =
- acpi_os_map_memory((acpi_native_uint) address, window_size);
+ acpi_os_map_memory((acpi_physical_address) address, window_size);
if (!mem_info->mapped_logical_address) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X%8.8X, size %X",
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index 73e29e566a70450eca74348cbfa3a723316999f6..54085f16ec28360d4f252c3f8e34dc230da3cbff 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -698,5 +698,9 @@ acpi_ex_resolve_operands(u16 opcode,
}
}
+ ACPI_DUMP_OPERANDS(walk_state->operands,
+ acpi_ps_get_opcode_name(opcode),
+ walk_state->num_operands);
+
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 76c875bc3154cf8ff799efd80fc6ae3d047aab0c..38b55e352495df4ed3808ffe713995dafe05e8db 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -343,12 +343,6 @@ acpi_ex_store(union acpi_operand_object *source_desc,
acpi_ut_get_object_type_name(dest_desc),
dest_desc));
- ACPI_DUMP_STACK_ENTRY(source_desc);
- ACPI_DUMP_STACK_ENTRY(dest_desc);
- ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore",
- 2,
- "Target is not a Reference or Constant object");
-
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 6cf10cbc1eee41687e462d14168827d6830b4cb0..55c17afbe669c86cc6da590994a143fe6d543e77 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -148,7 +148,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer,
int result = 0;
struct seq_file *m = file->private_data;
struct acpi_device *device = m->private;
- char state_string[12] = { '\0' };
+ char state_string[3] = { '\0' };
if (count > sizeof(state_string) - 1)
return -EINVAL;
@@ -157,6 +157,12 @@ acpi_fan_write_state(struct file *file, const char __user * buffer,
return -EFAULT;
state_string[count] = '\0';
+ if ((state_string[0] < '0') || (state_string[0] > '3'))
+ return -EINVAL;
+ if (state_string[1] == '\n')
+ state_string[1] = '\0';
+ if (state_string[1] != '\0')
+ return -EINVAL;
result = acpi_bus_set_power(device->handle,
simple_strtoul(state_string, NULL, 0));
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 9b227d4dc9c9bbd43b7649b66b7ee311371f7eaf..6d18ca34b6aa737f49deeca27982252ad1d3d076 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -333,6 +333,9 @@ static int __init acpi_rtc_init(void)
{
struct device *dev = get_rtc_dev();
+ if (acpi_disabled)
+ return 0;
+
if (acpi_disabled)
return 0;
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 14bc4f456ae8c3762889fef4c3badaf812f9977b..0b80db9d91979e17ce418f840a56d3096afb5f2d 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -53,6 +53,54 @@ static acpi_status
acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block);
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_low_disable_gpe
+ *
+ * PARAMETERS: gpe_event_info - Info block for the GPE to be disabled
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Disable a single GPE in the enable register.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_status status;
+ u32 enable_mask;
+
+ /* Get the info block for the entire GPE register */
+
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ return (AE_NOT_EXIST);
+ }
+
+ /* Get current value of the enable register that contains this GPE */
+
+ status = acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH, &enable_mask,
+ &gpe_register_info->enable_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Clear just the bit that corresponds to this GPE */
+
+ ACPI_CLEAR_BIT(enable_mask,
+ ((u32) 1 <<
+ (gpe_event_info->gpe_number -
+ gpe_register_info->base_gpe_number)));
+
+ /* Write the updated enable mask */
+
+ status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, enable_mask,
+ &gpe_register_info->enable_address);
+
+ return (status);
+}
+
/******************************************************************************
*
* FUNCTION: acpi_hw_write_gpe_enable_reg
@@ -68,7 +116,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
******************************************************************************/
acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info)
+acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
acpi_status status;
@@ -138,7 +186,6 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
*
******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
acpi_event_status * event_status)
@@ -198,7 +245,6 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
unlock_and_exit:
return (status);
}
-#endif /* ACPI_FUTURE_USAGE */
/******************************************************************************
*
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 5445751b8a3e7ee6e9f3eae788fc297995d36d43..0ab22004728a9aae08f7697cb8230456177d0c9f 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -73,7 +73,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
void acpi_ns_print_pathname(u32 num_segments, char *pathname)
{
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_NAME(ns_print_pathname);
@@ -515,12 +515,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
if (obj_type > ACPI_TYPE_LOCAL_MAX) {
acpi_os_printf
- ("(Ptr to ACPI Object type %X [UNKNOWN])\n",
+ ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
obj_type);
bytes_to_dump = 32;
} else {
acpi_os_printf
- ("(Ptr to ACPI Object type %X [%s])\n",
+ ("(Pointer to ACPI Object type %.2X [%s])\n",
obj_type, acpi_ut_get_type_name(obj_type));
bytes_to_dump =
sizeof(union acpi_operand_object);
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 14bdfa92bea04cc9da1bfde6a0344ad57a29e2f4..d369164e00b0bc16d594e8617e93be3ada99d95f 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -138,6 +138,41 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
return_ACPI_STATUS(AE_NULL_OBJECT);
}
+ /*
+ * Calculate the number of arguments being passed to the method
+ */
+
+ info->param_count = 0;
+ if (info->parameters) {
+ while (info->parameters[info->param_count])
+ info->param_count++;
+ }
+
+ /* Error if too few arguments were passed in */
+
+ if (info->param_count < info->obj_desc->method.param_count) {
+ ACPI_ERROR((AE_INFO,
+ "Insufficient arguments - "
+ "method [%4.4s] needs %d, found %d",
+ acpi_ut_get_node_name(info->resolved_node),
+ info->obj_desc->method.param_count,
+ info->param_count));
+ return_ACPI_STATUS(AE_MISSING_ARGUMENTS);
+ }
+
+ /* Just a warning if too many arguments */
+
+ else if (info->param_count >
+ info->obj_desc->method.param_count) {
+ ACPI_WARNING((AE_INFO,
+ "Excess arguments - "
+ "method [%4.4s] needs %d, found %d",
+ acpi_ut_get_node_name(info->
+ resolved_node),
+ info->obj_desc->method.param_count,
+ info->param_count));
+ }
+
ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
ACPI_LV_INFO, _COMPONENT);
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 6d6d930c8e1820d21d0bc40441065dddf9ba0ef9..e4c57510d798753cd8366f4a2fbbaecb4d545450 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -542,7 +542,6 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
info->prefix_node = device_node;
info->pathname = METHOD_NAME__INI;
info->parameters = NULL;
- info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 2c92f6cf5ce173c94a4a2aeaf64294e036089ded..a4a412b7c029526faabd771b3742fd65db3ba7a3 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -71,8 +71,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
******************************************************************************/
acpi_status
-acpi_ns_load_table(acpi_native_uint table_index,
- struct acpi_namespace_node *node)
+acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node)
{
acpi_status status;
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 46a79b0103b676ef5edf0008f40f70f1eb0ad80a..a82271a9dbb3d5b42495f7f10a809313730fc1c3 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -63,13 +63,13 @@ ACPI_MODULE_NAME("nsparse")
*
******************************************************************************/
acpi_status
-acpi_ns_one_complete_parse(acpi_native_uint pass_number,
- acpi_native_uint table_index,
- struct acpi_namespace_node * start_node)
+acpi_ns_one_complete_parse(u32 pass_number,
+ u32 table_index,
+ struct acpi_namespace_node *start_node)
{
union acpi_parse_object *parse_root;
acpi_status status;
- acpi_native_uint aml_length;
+ u32 aml_length;
u8 *aml_start;
struct acpi_walk_state *walk_state;
struct acpi_table_header *table;
@@ -112,8 +112,8 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
aml_start = (u8 *) table + sizeof(struct acpi_table_header);
aml_length = table->length - sizeof(struct acpi_table_header);
status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
- aml_start, (u32) aml_length,
- NULL, (u8) pass_number);
+ aml_start, aml_length, NULL,
+ (u8) pass_number);
}
if (ACPI_FAILURE(status)) {
@@ -158,8 +158,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
******************************************************************************/
acpi_status
-acpi_ns_parse_table(acpi_native_uint table_index,
- struct acpi_namespace_node *start_node)
+acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
{
acpi_status status;
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 64c039843ed2ba9efb6da4df7978c5cce674811d..b0817e1127b105c15108ae5055240008b3a0ec6d 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -73,9 +73,9 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search);
******************************************************************************/
void
-acpi_ns_report_error(char *module_name,
+acpi_ns_report_error(const char *module_name,
u32 line_number,
- char *internal_name, acpi_status lookup_status)
+ const char *internal_name, acpi_status lookup_status)
{
acpi_status status;
u32 bad_name;
@@ -130,11 +130,11 @@ acpi_ns_report_error(char *module_name,
******************************************************************************/
void
-acpi_ns_report_method_error(char *module_name,
+acpi_ns_report_method_error(const char *module_name,
u32 line_number,
- char *message,
+ const char *message,
struct acpi_namespace_node *prefix_node,
- char *path, acpi_status method_status)
+ const char *path, acpi_status method_status)
{
acpi_status status;
struct acpi_namespace_node *node = prefix_node;
@@ -167,7 +167,8 @@ acpi_ns_report_method_error(char *module_name,
******************************************************************************/
void
-acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message)
+acpi_ns_print_node_pathname(struct acpi_namespace_node *node,
+ const char *message)
{
struct acpi_buffer buffer;
acpi_status status;
@@ -296,7 +297,7 @@ u32 acpi_ns_local(acpi_object_type type)
void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
{
- char *next_external_char;
+ const char *next_external_char;
u32 i;
ACPI_FUNCTION_ENTRY();
@@ -363,9 +364,9 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
{
u32 num_segments = info->num_segments;
char *internal_name = info->internal_name;
- char *external_name = info->next_external_char;
+ const char *external_name = info->next_external_char;
char *result = NULL;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ns_build_internal_name);
@@ -400,12 +401,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
result = &internal_name[i];
} else if (num_segments == 2) {
internal_name[i] = AML_DUAL_NAME_PREFIX;
- result = &internal_name[(acpi_native_uint) (i + 1)];
+ result = &internal_name[(acpi_size) i + 1];
} else {
internal_name[i] = AML_MULTI_NAME_PREFIX_OP;
- internal_name[(acpi_native_uint) (i + 1)] =
- (char)num_segments;
- result = &internal_name[(acpi_native_uint) (i + 2)];
+ internal_name[(acpi_size) i + 1] = (char)num_segments;
+ result = &internal_name[(acpi_size) i + 2];
}
}
@@ -472,7 +472,8 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
*
*******************************************************************************/
-acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
+acpi_status
+acpi_ns_internalize_name(const char *external_name, char **converted_name)
{
char *internal_name;
struct acpi_namestring_info info;
@@ -528,15 +529,15 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
- char *internal_name,
+ const char *internal_name,
u32 * converted_name_length, char **converted_name)
{
- acpi_native_uint names_index = 0;
- acpi_native_uint num_segments = 0;
- acpi_native_uint required_length;
- acpi_native_uint prefix_length = 0;
- acpi_native_uint i = 0;
- acpi_native_uint j = 0;
+ u32 names_index = 0;
+ u32 num_segments = 0;
+ u32 required_length;
+ u32 prefix_length = 0;
+ u32 i = 0;
+ u32 j = 0;
ACPI_FUNCTION_TRACE(ns_externalize_name);
@@ -582,9 +583,8 @@ acpi_ns_externalize_name(u32 internal_name_length,
/* <count> 4-byte names */
names_index = prefix_length + 2;
- num_segments = (acpi_native_uint) (u8)
- internal_name[(acpi_native_uint)
- (prefix_length + 1)];
+ num_segments = (u8)
+ internal_name[(acpi_size) prefix_length + 1];
break;
case AML_DUAL_NAME_PREFIX:
@@ -823,7 +823,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
- char *pathname,
+ const char *pathname,
u32 flags, struct acpi_namespace_node **return_node)
{
union acpi_generic_state scope_info;
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index a8d549187c84262d5ae7ca9bd34ceee6d4a358dd..38be5865d95df30e382f21b2adb8d2b6837aa2f9 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -182,7 +182,6 @@ acpi_evaluate_object(acpi_handle handle,
}
info->pathname = pathname;
- info->parameter_type = ACPI_PARAM_ARGS;
/* Convert and validate the device handle */
@@ -442,7 +441,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
u32 flags;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
- acpi_native_uint i;
+ u32 i;
int found;
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 658e5f3abae0dda28d73395955d8e91c7126c846..cb9864e39bae743f0943c41075e557dd696ac3ac 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -120,10 +120,10 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
struct acpi_srat_mem_affinity *p =
(struct acpi_srat_mem_affinity *)header;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "SRAT Memory (0x%lx length 0x%lx type 0x%x) in proximity domain %d %s%s\n",
+ "SRAT Memory (0x%lx length 0x%lx) in proximity domain %d %s%s\n",
(unsigned long)p->base_address,
(unsigned long)p->length,
- p->memory_type, p->proximity_domain,
+ p->proximity_domain,
(p->flags & ACPI_SRAT_MEM_ENABLED)?
"enabled" : "disabled",
(p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)?
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index e94463778845567ce02f6494fb9580bf2da85512..d830b29b85b120ceb87f793f4ddde61db98fbd4f 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -76,7 +76,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
{
u8 *aml = parser_state->aml;
u32 package_length = 0;
- acpi_native_uint byte_count;
+ u32 byte_count;
u8 byte_zero_mask = 0x3F; /* Default [0:5] */
ACPI_FUNCTION_TRACE(ps_get_next_package_length);
@@ -86,7 +86,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
* used to encode the package length, either 0,1,2, or 3
*/
byte_count = (aml[0] >> 6);
- parser_state->aml += (byte_count + 1);
+ parser_state->aml += ((acpi_size) byte_count + 1);
/* Get bytes 3, 2, 1 as needed */
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 52581454c47c3a21ca071df64818d19f173f25f0..270469aae8429201df4edfae11db91d8c5628133 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -333,9 +333,9 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
static void
acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
{
- acpi_native_uint i;
+ u32 i;
- if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) {
+ if (info->parameters) {
/* Update reference count for each parameter */
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 89022a74faeeda9d9ed9b11f431c2e4c4eecb4d7..11acaee14d66ddb1752f9432107f46bf0fc1b146 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -162,7 +162,7 @@ do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt)
!strcmp(prt->source, quirk->source) &&
strlen(prt->source) >= strlen(quirk->actual_source)) {
printk(KERN_WARNING PREFIX "firmware reports "
- "%04x:%02x:%02x[%c] connected to %s; "
+ "%04x:%02x:%02x PCI INT %c connected to %s; "
"changing to %s\n",
entry->id.segment, entry->id.bus,
entry->id.device, 'A' + entry->pin,
@@ -429,7 +429,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
{
struct pci_dev *bridge = dev;
int irq = -1;
- u8 bridge_pin = 0;
+ u8 bridge_pin = 0, orig_pin = pin;
if (!dev)
@@ -463,8 +463,8 @@ acpi_pci_irq_derive(struct pci_dev *dev,
}
if (irq < 0) {
- printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n",
- pci_name(dev));
+ dev_warn(&dev->dev, "can't derive routing for PCI INT %c\n",
+ 'A' + orig_pin);
return -1;
}
@@ -487,6 +487,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
int triggering = ACPI_LEVEL_SENSITIVE;
int polarity = ACPI_ACTIVE_LOW;
char *link = NULL;
+ char link_desc[16];
int rc;
@@ -503,7 +504,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
pin--;
if (!dev->bus) {
- printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n");
+ dev_err(&dev->dev, "invalid (NULL) 'bus' field\n");
return -ENODEV;
}
@@ -538,8 +539,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
* driver reported one, then use it. Exit in any case.
*/
if (irq < 0) {
- printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: no GSI",
- pci_name(dev), ('A' + pin));
+ dev_warn(&dev->dev, "PCI INT %c: no GSI", 'A' + pin);
/* Interrupt Line values above 0xF are forbidden */
if (dev->irq > 0 && (dev->irq <= 0xF)) {
printk(" - using IRQ %d\n", dev->irq);
@@ -554,21 +554,21 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
rc = acpi_register_gsi(irq, triggering, polarity);
if (rc < 0) {
- printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed "
- "to register GSI\n", pci_name(dev), ('A' + pin));
+ dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n",
+ 'A' + pin);
return rc;
}
dev->irq = rc;
- printk(KERN_INFO PREFIX "PCI Interrupt %s[%c] -> ",
- pci_name(dev), 'A' + pin);
-
if (link)
- printk("Link [%s] -> ", link);
+ snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
+ else
+ link_desc[0] = '\0';
- printk("GSI %u (%s, %s) -> IRQ %d\n", irq,
- (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
- (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
+ dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
+ 'A' + pin, link_desc, irq,
+ (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
+ (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
return 0;
}
@@ -616,10 +616,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
* (e.g. PCI_UNDEFINED_IRQ).
*/
- printk(KERN_INFO PREFIX "PCI interrupt for device %s disabled\n",
- pci_name(dev));
-
+ dev_info(&dev->dev, "PCI INT %c disabled\n", 'A' + pin);
acpi_unregister_gsi(gsi);
-
- return;
}
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 9dd0fa93b9e1c1e2a9bd459638918ba47c25125e..ec0f2d581ece851d67e98f51f4107552f9146f50 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -118,8 +118,31 @@ static const struct file_operations acpi_processor_info_fops = {
.release = single_release,
};
-struct acpi_processor *processors[NR_CPUS];
+DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
+static int set_no_mwait(const struct dmi_system_id *id)
+{
+ printk(KERN_NOTICE PREFIX "%s detected - "
+ "disable mwait for CPU C-stetes\n", id->ident);
+ idle_nomwait = 1;
+ return 0;
+}
+
+static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
+ {
+ set_no_mwait, "IFL91 board", {
+ DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
+ DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
+ DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
+ {
+ set_no_mwait, "Extensa 5220", {
+ DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+ DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+ DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
+ {},
+};
/* --------------------------------------------------------------------------
Errata Handling
@@ -265,7 +288,20 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr)
if (!pdc_in)
return status;
+ if (idle_nomwait) {
+ /*
+ * If mwait is disabled for CPU C-states, the C2C3_FFH access
+ * mode will be disabled in the parameter of _PDC object.
+ * Of course C1_FFH access mode will also be disabled.
+ */
+ union acpi_object *obj;
+ u32 *buffer = NULL;
+ obj = pdc_in->pointer;
+ buffer = (u32 *)(obj->buffer.pointer);
+ buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
+
+ }
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
@@ -614,14 +650,14 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
return 0;
}
-static void *processor_device_array[NR_CPUS];
+static DEFINE_PER_CPU(void *, processor_device_array);
static int __cpuinit acpi_processor_start(struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_processor *pr;
-
+ struct sys_device *sysdev;
pr = acpi_driver_data(device);
@@ -638,20 +674,24 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
* ACPI id of processors can be reported wrongly by the BIOS.
* Don't trust it blindly
*/
- if (processor_device_array[pr->id] != NULL &&
- processor_device_array[pr->id] != device) {
+ if (per_cpu(processor_device_array, pr->id) != NULL &&
+ per_cpu(processor_device_array, pr->id) != device) {
printk(KERN_WARNING "BIOS reported wrong ACPI id "
"for the processor\n");
return -ENODEV;
}
- processor_device_array[pr->id] = device;
+ per_cpu(processor_device_array, pr->id) = device;
- processors[pr->id] = pr;
+ per_cpu(processors, pr->id) = pr;
result = acpi_processor_add_fs(device);
if (result)
goto end;
+ sysdev = get_cpu_sysdev(pr->id);
+ if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev"))
+ return -EFAULT;
+
status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify, pr);
@@ -749,7 +789,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
- struct acpi_processor *pr = processors[cpu];
+ struct acpi_processor *pr = per_cpu(processors, cpu);
if (action == CPU_ONLINE && pr) {
acpi_processor_ppc_has_changed(pr);
@@ -810,6 +850,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
+ sysfs_remove_link(&device->dev.kobj, "sysdev");
+
acpi_processor_remove_fs(device);
if (pr->cdev) {
@@ -819,8 +861,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
pr->cdev = NULL;
}
- processors[pr->id] = NULL;
- processor_device_array[pr->id] = NULL;
+ per_cpu(processors, pr->id) = NULL;
+ per_cpu(processor_device_array, pr->id) = NULL;
kfree(pr);
return 0;
@@ -1014,9 +1056,9 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
static int acpi_processor_handle_eject(struct acpi_processor *pr)
{
- if (cpu_online(pr->id)) {
- return (-EINVAL);
- }
+ if (cpu_online(pr->id))
+ cpu_down(pr->id);
+
arch_unregister_cpu(pr->id);
acpi_unmap_lsapic(pr->id);
return (0);
@@ -1068,8 +1110,6 @@ static int __init acpi_processor_init(void)
{
int result = 0;
-
- memset(&processors, 0, sizeof(processors));
memset(&errata, 0, sizeof(errata));
#ifdef CONFIG_SMP
@@ -1083,6 +1123,11 @@ static int __init acpi_processor_init(void)
return -ENOMEM;
acpi_processor_dir->owner = THIS_MODULE;
+ /*
+ * Check whether the system is DMI table. If yes, OSPM
+ * should not use mwait for CPU-states.
+ */
+ dmi_check_system(processor_idle_dmi_table);
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4976e5db2b3f3436026d7a5c341f1abec92f300c..d592dbb1d12acb04b029c1357b1516715890cefe 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -41,6 +41,7 @@
#include <linux/pm_qos_params.h>
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
+#include <linux/cpuidle.h>
/*
* Include the apic definitions for x86 to have the APIC timer related defines
@@ -57,6 +58,7 @@
#include <acpi/acpi_bus.h>
#include <acpi/processor.h>
+#include <asm/processor.h>
#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
@@ -401,7 +403,7 @@ static void acpi_processor_idle(void)
*/
local_irq_disable();
- pr = processors[smp_processor_id()];
+ pr = __get_cpu_var(processors);
if (!pr) {
local_irq_enable();
return;
@@ -955,6 +957,21 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
} else {
continue;
}
+ if (cx.type == ACPI_STATE_C1 &&
+ (idle_halt || idle_nomwait)) {
+ /*
+ * In most cases the C1 space_id obtained from
+ * _CST object is FIXED_HARDWARE access mode.
+ * But when the option of idle=halt is added,
+ * the entry_method type should be changed from
+ * CSTATE_FFH to CSTATE_HALT.
+ * When the option of idle=nomwait is added,
+ * the C1 entry_method type should be
+ * CSTATE_HALT.
+ */
+ cx.entry_method = ACPI_CSTATE_HALT;
+ snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI HLT");
+ }
} else {
snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI IOPORT 0x%x",
cx.address);
@@ -1431,7 +1448,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
struct acpi_processor *pr;
struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
- pr = processors[smp_processor_id()];
+ pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@@ -1471,7 +1488,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
u32 t1, t2;
int sleep_ticks = 0;
- pr = processors[smp_processor_id()];
+ pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@@ -1549,7 +1566,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
u32 t1, t2;
int sleep_ticks = 0;
- pr = processors[smp_processor_id()];
+ pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@@ -1780,6 +1797,15 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
return 0;
if (!first_run) {
+ if (idle_halt) {
+ /*
+ * When the boot option of "idle=halt" is added, halt
+ * is used for CPU IDLE.
+ * In such case C2/C3 is meaningless. So the max_cstate
+ * is set to one.
+ */
+ max_cstate = 1;
+ }
dmi_check_system(processor_power_dmi_table);
max_cstate = acpi_processor_cstate_check(max_cstate);
if (max_cstate < ACPI_C_STATES_MAX)
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index d80b2d1441afbadb561cf58abfdb135dd20aeb8e..b4749969c6b40ab10ac7d9f624adfdac4ac1d637 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -89,7 +89,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
if (event != CPUFREQ_INCOMPATIBLE)
goto out;
- pr = processors[policy->cpu];
+ pr = per_cpu(processors, policy->cpu);
if (!pr || !pr->performance)
goto out;
@@ -572,7 +572,7 @@ int acpi_processor_preregister_performance(
/* Call _PSD for all CPUs */
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr) {
/* Look only at processors in ACPI namespace */
continue;
@@ -603,7 +603,7 @@ int acpi_processor_preregister_performance(
* domain info.
*/
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr)
continue;
@@ -624,7 +624,7 @@ int acpi_processor_preregister_performance(
cpus_clear(covered_cpus);
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr)
continue;
@@ -651,7 +651,7 @@ int acpi_processor_preregister_performance(
if (i == j)
continue;
- match_pr = processors[j];
+ match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@@ -680,7 +680,7 @@ int acpi_processor_preregister_performance(
if (i == j)
continue;
- match_pr = processors[j];
+ match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@@ -697,7 +697,7 @@ int acpi_processor_preregister_performance(
err_ret:
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr || !pr->performance)
continue;
@@ -728,7 +728,7 @@ acpi_processor_register_performance(struct acpi_processor_performance
mutex_lock(&performance_mutex);
- pr = processors[cpu];
+ pr = per_cpu(processors, cpu);
if (!pr) {
mutex_unlock(&performance_mutex);
return -ENODEV;
@@ -766,7 +766,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
mutex_lock(&performance_mutex);
- pr = processors[cpu];
+ pr = per_cpu(processors, cpu);
if (!pr) {
mutex_unlock(&performance_mutex);
return;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index bb06738860c4113599ab185435834253d8af4afb..0622ace05220b26d02ff6b72c49155a67e71213c 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -71,7 +71,7 @@ static int acpi_processor_update_tsd_coord(void)
* coordination between all CPUs.
*/
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr)
continue;
@@ -93,7 +93,7 @@ static int acpi_processor_update_tsd_coord(void)
cpus_clear(covered_cpus);
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr)
continue;
@@ -119,7 +119,7 @@ static int acpi_processor_update_tsd_coord(void)
if (i == j)
continue;
- match_pr = processors[j];
+ match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@@ -152,7 +152,7 @@ static int acpi_processor_update_tsd_coord(void)
if (i == j)
continue;
- match_pr = processors[j];
+ match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@@ -172,7 +172,7 @@ static int acpi_processor_update_tsd_coord(void)
err_ret:
for_each_possible_cpu(i) {
- pr = processors[i];
+ pr = per_cpu(processors, i);
if (!pr)
continue;
@@ -214,7 +214,7 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
struct acpi_processor_throttling *p_throttling;
cpu = p_tstate->cpu;
- pr = processors[cpu];
+ pr = per_cpu(processors, cpu);
if (!pr) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid pr pointer\n"));
return 0;
@@ -1035,7 +1035,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
* cpus.
*/
for_each_cpu_mask(i, online_throttling_cpus) {
- match_pr = processors[i];
+ match_pr = per_cpu(processors, i);
/*
* If the pointer is invalid, we will report the
* error message and continue.
@@ -1232,7 +1232,10 @@ static ssize_t acpi_processor_write_throttling(struct file *file,
int result = 0;
struct seq_file *m = file->private_data;
struct acpi_processor *pr = m->private;
- char state_string[12] = { '\0' };
+ char state_string[5] = "";
+ char *charp = NULL;
+ size_t state_val = 0;
+ char tmpbuf[5] = "";
if (!pr || (count > sizeof(state_string) - 1))
return -EINVAL;
@@ -1241,10 +1244,23 @@ static ssize_t acpi_processor_write_throttling(struct file *file,
return -EFAULT;
state_string[count] = '\0';
+ if ((count > 0) && (state_string[count-1] == '\n'))
+ state_string[count-1] = '\0';
- result = acpi_processor_set_throttling(pr,
- simple_strtoul(state_string,
- NULL, 0));
+ charp = state_string;
+ if ((state_string[0] == 't') || (state_string[0] == 'T'))
+ charp++;
+
+ state_val = simple_strtoul(charp, NULL, 0);
+ if (state_val >= pr->throttling.state_count)
+ return -EINVAL;
+
+ snprintf(tmpbuf, 5, "%zu", state_val);
+
+ if (strcmp(tmpbuf, charp) != 0)
+ return -EINVAL;
+
+ result = acpi_processor_set_throttling(pr, state_val);
if (result)
return result;
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
new file mode 100644
index 0000000000000000000000000000000000000000..a6b662c00b67764d311366963171a1a5b289f73d
--- /dev/null
+++ b/drivers/acpi/reboot.c
@@ -0,0 +1,50 @@
+
+#include <linux/pci.h>
+#include <linux/acpi.h>
+#include <acpi/reboot.h>
+
+void acpi_reboot(void)
+{
+ struct acpi_generic_address *rr;
+ struct pci_bus *bus0;
+ u8 reset_value;
+ unsigned int devfn;
+
+ if (acpi_disabled)
+ return;
+
+ rr = &acpi_gbl_FADT.reset_register;
+
+ /* Is the reset register supported? */
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+ rr->bit_width != 8 || rr->bit_offset != 0)
+ return;
+
+ reset_value = acpi_gbl_FADT.reset_value;
+
+ /* The reset register can only exist in I/O, Memory or PCI config space
+ * on a device on bus 0. */
+ switch (rr->space_id) {
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+ /* The reset register can only live on bus 0. */
+ bus0 = pci_find_bus(0, 0);
+ if (!bus0)
+ return;
+ /* Form PCI device/function pair. */
+ devfn = PCI_DEVFN((rr->address >> 32) & 0xffff,
+ (rr->address >> 16) & 0xffff);
+ printk(KERN_DEBUG "Resetting with ACPI PCI RESET_REG.");
+ /* Write the value that resets us. */
+ pci_bus_write_config_byte(bus0, devfn,
+ (rr->address & 0xffff), reset_value);
+ break;
+
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+ printk(KERN_DEBUG "ACPI MEMORY or I/O RESET_REG.\n");
+ acpi_hw_low_level_write(8, reset_value, rr);
+ break;
+ }
+ /* Wait ten seconds */
+ acpi_os_stall(10000000);
+}
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 8a112d11d491eebac39708e4d0d1cc59e3f4fc96..f61ebc679e6645514525a1f5d632c87acbdfd751 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -73,7 +73,7 @@ acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length);
static u8 acpi_rs_count_set_bits(u16 bit_field)
{
- acpi_native_uint bits_set;
+ u8 bits_set;
ACPI_FUNCTION_ENTRY();
@@ -84,7 +84,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
bit_field &= (u16) (bit_field - 1);
}
- return ((u8) bits_set);
+ return bits_set;
}
/*******************************************************************************
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index faddaee1bc07529c38e5ce075a88e53077d6ab72..7804a8c40e7a36e0d1505ee7b10994f1ef1805f3 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -181,9 +181,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
}
/*
- * Loop through the ACPI_INTERNAL_OBJECTS - Each object
- * should be a package that in turn contains an
- * acpi_integer Address, a u8 Pin, a Name and a u8 source_index.
+ * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
+ * package that in turn contains an acpi_integer Address, a u8 Pin,
+ * a Name, and a u8 source_index.
*/
top_object_list = package_object->package.elements;
number_of_elements = package_object->package.count;
@@ -240,9 +240,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* 1) First subobject: Dereference the PRT.Address */
obj_desc = sub_object_list[0];
- if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
- user_prt->address = obj_desc->integer.value;
- } else {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Address) Need Integer, found %s",
index,
@@ -250,12 +248,12 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS(AE_BAD_DATA);
}
+ user_prt->address = obj_desc->integer.value;
+
/* 2) Second subobject: Dereference the PRT.Pin */
obj_desc = sub_object_list[1];
- if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
- user_prt->pin = (u32) obj_desc->integer.value;
- } else {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Pin) Need Integer, found %s",
index,
@@ -284,6 +282,25 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
}
}
+ user_prt->pin = (u32) obj_desc->integer.value;
+
+ /*
+ * If the BIOS has erroneously reversed the _PRT source_name (index 2)
+ * and the source_index (index 3), fix it. _PRT is important enough to
+ * workaround this BIOS error. This also provides compatibility with
+ * other ACPI implementations.
+ */
+ obj_desc = sub_object_list[3];
+ if (!obj_desc
+ || (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
+ sub_object_list[3] = sub_object_list[2];
+ sub_object_list[2] = obj_desc;
+
+ ACPI_WARNING((AE_INFO,
+ "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
+ index));
+ }
+
/*
* 3) Third subobject: Dereference the PRT.source_name
* The name may be unresolved (slack mode), so allow a null object
@@ -364,9 +381,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* 4) Fourth subobject: Dereference the PRT.source_index */
obj_desc = sub_object_list[source_index_index];
- if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
- user_prt->source_index = (u32) obj_desc->integer.value;
- } else {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].SourceIndex) Need Integer, found %s",
index,
@@ -374,6 +389,8 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS(AE_BAD_DATA);
}
+ user_prt->source_index = (u32) obj_desc->integer.value;
+
/* Point to the next union acpi_operand_object in the top level package */
top_object_list++;
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index de1ac3881b224ab1121a5edd97409aecf7831071..96a6c0353255fed289e059dab481624f651681a3 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -82,7 +82,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
- if (((acpi_native_uint) resource) & 0x3) {
+ if (((acpi_size) resource) & 0x3) {
/* Each internal resource struct is expected to be 32-bit aligned */
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index befe2302f41b31b622dec454924a68ab5b847dd7..f7b3bcd59ba788e341c9b5aca199a108aeed873b 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -62,7 +62,7 @@ ACPI_MODULE_NAME("rsutils")
******************************************************************************/
u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
{
- acpi_native_uint i;
+ u8 i;
u8 bit_count;
ACPI_FUNCTION_ENTRY();
@@ -71,7 +71,7 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
for (i = 0, bit_count = 0; mask; i++) {
if (mask & 0x0001) {
- list[bit_count] = (u8) i;
+ list[bit_count] = i;
bit_count++;
}
@@ -96,8 +96,8 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
{
- acpi_native_uint i;
- acpi_native_uint mask;
+ u32 i;
+ u16 mask;
ACPI_FUNCTION_ENTRY();
@@ -107,7 +107,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
mask |= (0x1 << list[i]);
}
- return ((u16) mask);
+ return mask;
}
/*******************************************************************************
@@ -130,7 +130,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
void
acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
{
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_ENTRY();
@@ -679,7 +679,6 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
info->prefix_node = node;
info->pathname = METHOD_NAME__SRS;
info->parameters = args;
- info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 6d85289f1c12ad50fdf46ddd72a863c00d1070db..5b049cd795530a683393d1bca044ba6aa20498e4 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -6,6 +6,8 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/acpi.h>
+#include <linux/signal.h>
+#include <linux/kthread.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
@@ -92,17 +94,37 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha
}
static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
-static int acpi_eject_operation(acpi_handle handle, int lockable)
+static int acpi_bus_hot_remove_device(void *context)
{
+ struct acpi_device *device;
+ acpi_handle handle = context;
struct acpi_object_list arg_list;
union acpi_object arg;
acpi_status status = AE_OK;
- /*
- * TBD: evaluate _PS3?
- */
+ if (acpi_bus_get_device(handle, &device))
+ return 0;
- if (lockable) {
+ if (!device)
+ return 0;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Hot-removing device %s...\n", device->dev.bus_id));
+
+
+ if (acpi_bus_trim(device, 1)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Removing device failed\n"));
+ return -1;
+ }
+
+ /* power off device */
+ status = acpi_evaluate_object(handle, "_PS3", NULL, NULL);
+ if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "Power-off device failed\n"));
+
+ if (device->flags.lockable) {
arg_list.count = 1;
arg_list.pointer = &arg;
arg.type = ACPI_TYPE_INTEGER;
@@ -118,26 +140,22 @@ static int acpi_eject_operation(acpi_handle handle, int lockable)
/*
* TBD: _EJD support.
*/
-
status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL);
- if (ACPI_FAILURE(status)) {
- return (-ENODEV);
- }
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
- return (0);
+ return 0;
}
static ssize_t
acpi_eject_store(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
{
- int result;
int ret = count;
- int islockable;
acpi_status status;
- acpi_handle handle;
acpi_object_type type = 0;
struct acpi_device *acpi_device = to_acpi_device(d);
+ struct task_struct *task;
if ((!count) || (buf[0] != '1')) {
return -EINVAL;
@@ -154,18 +172,12 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
goto err;
}
- islockable = acpi_device->flags.lockable;
- handle = acpi_device->handle;
-
- result = acpi_bus_trim(acpi_device, 1);
-
- if (!result)
- result = acpi_eject_operation(handle, islockable);
-
- if (result) {
- ret = -EBUSY;
- }
- err:
+ /* remove the device in another thread to fix the deadlock issue */
+ task = kthread_run(acpi_bus_hot_remove_device,
+ acpi_device->handle, "acpi_hot_remove_device");
+ if (IS_ERR(task))
+ ret = PTR_ERR(task);
+err:
return ret;
}
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 495c63a3e0afb1fce2e4fcb6801020ad2f8413ad..244e352f7661a6332ddaffa933d84c6b7edd2973 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -61,8 +61,6 @@ static u32 acpi_suspend_states[] = {
[PM_SUSPEND_MAX] = ACPI_STATE_S5
};
-static int init_8259A_after_S1;
-
/**
* acpi_suspend_begin - Set the target system sleep state to the state
* associated with given @pm_state, if supported.
@@ -185,13 +183,6 @@ static void acpi_suspend_finish(void)
acpi_set_firmware_waking_vector((acpi_physical_address) 0);
acpi_target_sleep_state = ACPI_STATE_S0;
-
-#ifdef CONFIG_X86
- if (init_8259A_after_S1) {
- printk("Broken toshiba laptop -> kicking interrupts\n");
- init_8259A(0);
- }
-#endif
}
/**
@@ -231,26 +222,6 @@ static struct platform_suspend_ops acpi_suspend_ops = {
.finish = acpi_suspend_finish,
.end = acpi_suspend_end,
};
-
-/*
- * Toshiba fails to preserve interrupts over S1, reinitialization
- * of 8259 is needed after S1 resume.
- */
-static int __init init_ints_after_s1(const struct dmi_system_id *d)
-{
- printk(KERN_WARNING "%s with broken S1 detected.\n", d->ident);
- init_8259A_after_S1 = 1;
- return 0;
-}
-
-static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
- {
- .callback = init_ints_after_s1,
- .ident = "Toshiba Satellite 4030cdt",
- .matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),},
- },
- {},
-};
#endif /* CONFIG_SUSPEND */
#ifdef CONFIG_HIBERNATION
@@ -368,8 +339,8 @@ int acpi_suspend(u32 acpi_state)
/**
* acpi_pm_device_sleep_state - return preferred power state of ACPI device
* in the system sleep state given by %acpi_target_sleep_state
- * @dev: device to examine
- * @wake: if set, the device should be able to wake up the system
+ * @dev: device to examine; its driver model wakeup flags control
+ * whether it should be able to wake up the system
* @d_min_p: used to store the upper limit of allowed states range
* Return value: preferred power state of the device on success, -ENODEV on
* failure (ie. if there's no 'struct acpi_device' for @dev)
@@ -387,7 +358,7 @@ int acpi_suspend(u32 acpi_state)
* via @wake.
*/
-int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
+int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
{
acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
struct acpi_device *adev;
@@ -426,7 +397,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
* can wake the system. _S0W may be valid, too.
*/
if (acpi_target_sleep_state == ACPI_STATE_S0 ||
- (wake && adev->wakeup.state.enabled &&
+ (device_may_wakeup(dev) && adev->wakeup.state.enabled &&
adev->wakeup.sleep_state <= acpi_target_sleep_state)) {
acpi_status status;
@@ -472,8 +443,6 @@ int __init acpi_sleep_init(void)
u8 type_a, type_b;
#ifdef CONFIG_SUSPEND
int i = 0;
-
- dmi_check_system(acpisleep_dmi_table);
#endif
if (acpi_disabled)
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 5bd2dec9a7ac34848be5c5a5fe4a74a411a06391..d8e3f153b29587dc144fc1e77f639242b2aa9a00 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -167,7 +167,13 @@ static int acpi_system_sysfs_init(void)
#define COUNT_ERROR 2 /* other */
#define NUM_COUNTERS_EXTRA 3
-static u32 *all_counters;
+#define ACPI_EVENT_VALID 0x01
+struct event_counter {
+ u32 count;
+ u32 flags;
+};
+
+static struct event_counter *all_counters;
static u32 num_gpes;
static u32 num_counters;
static struct attribute **all_attrs;
@@ -202,9 +208,44 @@ static int count_num_gpes(void)
return count;
}
+static int get_gpe_device(int index, acpi_handle *handle)
+{
+ struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+ struct acpi_gpe_block_info *gpe_block;
+ acpi_cpu_flags flags;
+ struct acpi_namespace_node *node;
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+ while (gpe_xrupt_info) {
+ gpe_block = gpe_xrupt_info->gpe_block_list_head;
+ node = gpe_block->node;
+ while (gpe_block) {
+ index -= gpe_block->register_count *
+ ACPI_GPE_REGISTER_WIDTH;
+ if (index < 0) {
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ /* return NULL if it's FADT GPE */
+ if (node->type != ACPI_TYPE_DEVICE)
+ *handle = NULL;
+ else
+ *handle = node;
+ return 0;
+ }
+ node = gpe_block->node;
+ gpe_block = gpe_block->next;
+ }
+ gpe_xrupt_info = gpe_xrupt_info->next;
+ }
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+ return -ENODEV;
+}
+
static void delete_gpe_attr_array(void)
{
- u32 *tmp = all_counters;
+ struct event_counter *tmp = all_counters;
all_counters = NULL;
kfree(tmp);
@@ -230,9 +271,10 @@ void acpi_os_gpe_count(u32 gpe_number)
return;
if (gpe_number < num_gpes)
- all_counters[gpe_number]++;
+ all_counters[gpe_number].count++;
else
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++;
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
+ count++;
return;
}
@@ -243,44 +285,144 @@ void acpi_os_fixed_event_count(u32 event_number)
return;
if (event_number < ACPI_NUM_FIXED_EVENTS)
- all_counters[num_gpes + event_number]++;
+ all_counters[num_gpes + event_number].count++;
else
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++;
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
+ count++;
return;
}
+static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
+{
+ int result = 0;
+
+ if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
+ goto end;
+
+ if (index < num_gpes) {
+ result = get_gpe_device(index, handle);
+ if (result) {
+ ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
+ "Invalid GPE 0x%x\n", index));
+ goto end;
+ }
+ result = acpi_get_gpe_status(*handle, index,
+ ACPI_NOT_ISR, status);
+ } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
+ result = acpi_get_event_status(index - num_gpes, status);
+
+ /*
+ * sleep/power button GPE/Fixed Event is enabled after acpi_system_init,
+ * check the status at runtime and mark it as valid once it's enabled
+ */
+ if (!result && (*status & ACPI_EVENT_FLAG_ENABLED))
+ all_counters[index].flags |= ACPI_EVENT_VALID;
+end:
+ return result;
+}
+
static ssize_t counter_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI] =
+ int index = attr - counter_attrs;
+ int size;
+ acpi_handle handle;
+ acpi_event_status status;
+ int result = 0;
+
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count =
acpi_irq_handled;
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE] =
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
acpi_gpe_count;
- return sprintf(buf, "%d\n", all_counters[attr - counter_attrs]);
+ size = sprintf(buf, "%8d", all_counters[index].count);
+
+ /* "gpe_all" or "sci" */
+ if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
+ goto end;
+
+ result = get_status(index, &status, &handle);
+ if (result)
+ goto end;
+
+ if (!(all_counters[index].flags & ACPI_EVENT_VALID))
+ size += sprintf(buf + size, " invalid");
+ else if (status & ACPI_EVENT_FLAG_ENABLED)
+ size += sprintf(buf + size, " enable");
+ else
+ size += sprintf(buf + size, " disable");
+
+end:
+ size += sprintf(buf + size, "\n");
+ return result ? result : size;
}
/*
* counter_set() sets the specified counter.
* setting the total "sci" file to any value clears all counters.
+ * enable/disable/clear a gpe/fixed event in user space.
*/
static ssize_t counter_set(struct kobject *kobj,
struct kobj_attribute *attr, const char *buf, size_t size)
{
int index = attr - counter_attrs;
+ acpi_event_status status;
+ acpi_handle handle;
+ int result = 0;
if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
int i;
for (i = 0; i < num_counters; ++i)
- all_counters[i] = 0;
+ all_counters[i].count = 0;
acpi_gpe_count = 0;
acpi_irq_handled = 0;
+ goto end;
+ }
+ /* show the event status for both GPEs and Fixed Events */
+ result = get_status(index, &status, &handle);
+ if (result)
+ goto end;
+
+ if (!(all_counters[index].flags & ACPI_EVENT_VALID)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "Can not change Invalid GPE/Fixed Event status\n"));
+ return -EINVAL;
+ }
+
+ if (index < num_gpes) {
+ if (!strcmp(buf, "disable\n") &&
+ (status & ACPI_EVENT_FLAG_ENABLED))
+ result = acpi_disable_gpe(handle, index, ACPI_NOT_ISR);
+ else if (!strcmp(buf, "enable\n") &&
+ !(status & ACPI_EVENT_FLAG_ENABLED))
+ result = acpi_enable_gpe(handle, index, ACPI_NOT_ISR);
+ else if (!strcmp(buf, "clear\n") &&
+ (status & ACPI_EVENT_FLAG_SET))
+ result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR);
+ else
+ all_counters[index].count = strtoul(buf, NULL, 0);
+ } else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
+ int event = index - num_gpes;
+ if (!strcmp(buf, "disable\n") &&
+ (status & ACPI_EVENT_FLAG_ENABLED))
+ result = acpi_disable_event(event, ACPI_NOT_ISR);
+ else if (!strcmp(buf, "enable\n") &&
+ !(status & ACPI_EVENT_FLAG_ENABLED))
+ result = acpi_enable_event(event, ACPI_NOT_ISR);
+ else if (!strcmp(buf, "clear\n") &&
+ (status & ACPI_EVENT_FLAG_SET))
+ result = acpi_clear_event(event);
+ else
+ all_counters[index].count = strtoul(buf, NULL, 0);
} else
- all_counters[index] = strtoul(buf, NULL, 0);
+ all_counters[index].count = strtoul(buf, NULL, 0);
- return size;
+ if (ACPI_FAILURE(result))
+ result = -EINVAL;
+end:
+ return result ? result : size;
}
void acpi_irq_stats_init(void)
@@ -298,7 +440,8 @@ void acpi_irq_stats_init(void)
if (all_attrs == NULL)
return;
- all_counters = kzalloc(sizeof(u32) * (num_counters), GFP_KERNEL);
+ all_counters = kzalloc(sizeof(struct event_counter) * (num_counters),
+ GFP_KERNEL);
if (all_counters == NULL)
goto fail;
diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c
index 949d4114eb9feb92ae17ff7183d4cc4b314d0d45..ccb5b64bbef3396036796509da86ba4b52efc6cd 100644
--- a/drivers/acpi/tables/tbfadt.c
+++ b/drivers/acpi/tables/tbfadt.c
@@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
static void inline
acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
- u8 bit_width, u64 address)
+ u8 byte_width, u64 address)
{
/*
@@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
/* All other fields are byte-wide */
generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
- generic_address->bit_width = bit_width;
+ generic_address->bit_width = byte_width << 3;
generic_address->bit_offset = 0;
generic_address->access_width = 0;
}
@@ -155,7 +155,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
*
******************************************************************************/
-void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
+void acpi_tb_parse_fadt(u32 table_index, u8 flags)
{
u32 length;
struct acpi_table_header *table;
@@ -280,7 +280,7 @@ static void acpi_tb_convert_fadt(void)
{
u8 pm1_register_length;
struct acpi_generic_address *target;
- acpi_native_uint i;
+ u32 i;
/* Update the local FADT table header length */
@@ -343,9 +343,11 @@ static void acpi_tb_convert_fadt(void)
*
* The PM event blocks are split into two register blocks, first is the
* PM Status Register block, followed immediately by the PM Enable Register
- * block. Each is of length (pm1_event_length/2)
+ * block. Each is of length (xpm1x_event_block.bit_width/2)
*/
- pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
+ WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width));
+ pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
+ .xpm1a_event_block.bit_width);
/* The PM1A register block is required */
@@ -360,14 +362,17 @@ static void acpi_tb_convert_fadt(void)
/* The PM1B register block is optional, ignore if not present */
if (acpi_gbl_FADT.xpm1b_event_block.address) {
+ WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width));
+ pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
+ .xpm1b_event_block
+ .bit_width);
acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
pm1_register_length,
(acpi_gbl_FADT.xpm1b_event_block.
address + pm1_register_length));
/* Don't forget to copy space_id of the GAS */
acpi_gbl_xpm1b_enable.space_id =
- acpi_gbl_FADT.xpm1a_event_block.space_id;
-
+ acpi_gbl_FADT.xpm1b_event_block.space_id;
}
}
@@ -396,7 +401,7 @@ static void acpi_tb_validate_fadt(void)
u32 *address32;
struct acpi_generic_address *address64;
u8 length;
- acpi_native_uint i;
+ u32 i;
/* Examine all of the 64-bit extended address fields (X fields) */
diff --git a/drivers/acpi/tables/tbfind.c b/drivers/acpi/tables/tbfind.c
index 9ca3afc98c80027fe46fc037678520b33f3126ad..531584defbb826596c742acb2b5c9a90a3b45fc1 100644
--- a/drivers/acpi/tables/tbfind.c
+++ b/drivers/acpi/tables/tbfind.c
@@ -65,10 +65,9 @@ ACPI_MODULE_NAME("tbfind")
******************************************************************************/
acpi_status
acpi_tb_find_table(char *signature,
- char *oem_id,
- char *oem_table_id, acpi_native_uint * table_index)
+ char *oem_id, char *oem_table_id, u32 *table_index)
{
- acpi_native_uint i;
+ u32 i;
acpi_status status;
struct acpi_table_header header;
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 5336ce88f89f74b47790be39ceadabd8a5b345b3..b22185f55a16acf80e9814059acff89a4a1e508b 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -107,11 +107,10 @@ acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
******************************************************************************/
acpi_status
-acpi_tb_add_table(struct acpi_table_desc *table_desc,
- acpi_native_uint * table_index)
+acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
{
- acpi_native_uint i;
- acpi_native_uint length;
+ u32 i;
+ u32 length;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE(tb_add_table);
@@ -207,8 +206,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
/* Increase the Table Array size */
- tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size +
- ACPI_ROOT_TABLE_SIZE_INCREMENT)
+ tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
+ size + ACPI_ROOT_TABLE_SIZE_INCREMENT)
* sizeof(struct acpi_table_desc));
if (!tables) {
ACPI_ERROR((AE_INFO,
@@ -220,7 +219,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
if (acpi_gbl_root_table_list.tables) {
ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
- acpi_gbl_root_table_list.size *
+ (acpi_size) acpi_gbl_root_table_list.size *
sizeof(struct acpi_table_desc));
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
@@ -253,7 +252,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
acpi_status
acpi_tb_store_table(acpi_physical_address address,
struct acpi_table_header *table,
- u32 length, u8 flags, acpi_native_uint * table_index)
+ u32 length, u8 flags, u32 *table_index)
{
acpi_status status = AE_OK;
@@ -334,7 +333,7 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
void acpi_tb_terminate(void)
{
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(tb_terminate);
@@ -374,7 +373,7 @@ void acpi_tb_terminate(void)
*
******************************************************************************/
-void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
+void acpi_tb_delete_namespace_by_owner(u32 table_index)
{
acpi_owner_id owner_id;
@@ -403,7 +402,7 @@ void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
*
******************************************************************************/
-acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
+acpi_status acpi_tb_allocate_owner_id(u32 table_index)
{
acpi_status status = AE_BAD_PARAMETER;
@@ -431,7 +430,7 @@ acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
*
******************************************************************************/
-acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
+acpi_status acpi_tb_release_owner_id(u32 table_index)
{
acpi_status status = AE_BAD_PARAMETER;
@@ -462,8 +461,7 @@ acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
*
******************************************************************************/
-acpi_status
-acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
{
acpi_status status = AE_BAD_PARAMETER;
@@ -490,7 +488,7 @@ acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
*
******************************************************************************/
-u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
+u8 acpi_tb_is_table_loaded(u32 table_index)
{
u8 is_loaded = FALSE;
@@ -518,7 +516,7 @@ u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
*
******************************************************************************/
-void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded)
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
{
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index bc019b9b6a68ec7e690c17da8aa5751e62cdbe30..0cc92ef5236fc261a2167a5a6aa8acb9fbe43d55 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -49,8 +49,8 @@ ACPI_MODULE_NAME("tbutils")
/* Local prototypes */
static acpi_physical_address
-acpi_tb_get_root_table_entry(u8 * table_entry,
- acpi_native_uint table_entry_size);
+acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
+
/*******************************************************************************
*
* FUNCTION: acpi_tb_check_xsdt
@@ -238,7 +238,7 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
*
******************************************************************************/
-u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length)
+u8 acpi_tb_checksum(u8 *buffer, u32 length)
{
u8 sum = 0;
u8 *end = buffer + length;
@@ -268,7 +268,7 @@ u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length)
void
acpi_tb_install_table(acpi_physical_address address,
- u8 flags, char *signature, acpi_native_uint table_index)
+ u8 flags, char *signature, u32 table_index)
{
struct acpi_table_header *table;
@@ -336,8 +336,7 @@ acpi_tb_install_table(acpi_physical_address address,
******************************************************************************/
static acpi_physical_address
-acpi_tb_get_root_table_entry(u8 * table_entry,
- acpi_native_uint table_entry_size)
+acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size)
{
u64 address64;
@@ -395,8 +394,8 @@ acpi_status __init
acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
{
struct acpi_table_rsdp *rsdp;
- acpi_native_uint table_entry_size;
- acpi_native_uint i;
+ u32 table_entry_size;
+ u32 i;
u32 table_count;
struct acpi_table_header *table;
acpi_physical_address address;
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 0e319604d3e78fe5e197a2fcd4f6140cf0a1dcd3..fd7770aa10618e256816350fe2638b78bb9af450 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -125,7 +125,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
/* Root Table Array has been statically allocated by the host */
ACPI_MEMSET(initial_table_array, 0,
- initial_table_count *
+ (acpi_size) initial_table_count *
sizeof(struct acpi_table_desc));
acpi_gbl_root_table_list.tables = initial_table_array;
@@ -183,9 +183,9 @@ acpi_status acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
- new_size =
- (acpi_gbl_root_table_list.count +
- ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc);
+ new_size = ((acpi_size) acpi_gbl_root_table_list.count +
+ ACPI_ROOT_TABLE_SIZE_INCREMENT) *
+ sizeof(struct acpi_table_desc);
/* Create new array and copy the old array */
@@ -222,7 +222,7 @@ acpi_status acpi_reallocate_root_table(void)
acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
{
acpi_status status;
- acpi_native_uint table_index;
+ u32 table_index;
struct acpi_table_desc table_desc;
if (!table_ptr)
@@ -264,11 +264,10 @@ ACPI_EXPORT_SYMBOL(acpi_load_table)
*****************************************************************************/
acpi_status
acpi_get_table_header(char *signature,
- acpi_native_uint instance,
- struct acpi_table_header * out_table_header)
+ u32 instance, struct acpi_table_header *out_table_header)
{
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
struct acpi_table_header *header;
/* Parameter validation */
@@ -378,10 +377,10 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
*****************************************************************************/
acpi_status
acpi_get_table(char *signature,
- acpi_native_uint instance, struct acpi_table_header **out_table)
+ u32 instance, struct acpi_table_header **out_table)
{
- acpi_native_uint i;
- acpi_native_uint j;
+ u32 i;
+ u32 j;
acpi_status status;
/* Parameter validation */
@@ -435,8 +434,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table)
*
******************************************************************************/
acpi_status
-acpi_get_table_by_index(acpi_native_uint table_index,
- struct acpi_table_header ** table)
+acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
{
acpi_status status;
@@ -493,7 +491,7 @@ static acpi_status acpi_tb_load_namespace(void)
{
acpi_status status;
struct acpi_table_header *table;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(tb_load_namespace);
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index b8c0dfa084f621e9c9731d75245cfe19fd06fc12..2d157e0f98d2716d3965f4390fcf6db1ae60edba 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -118,7 +118,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
*
******************************************************************************/
-acpi_status acpi_find_root_pointer(acpi_native_uint * table_address)
+acpi_status acpi_find_root_pointer(acpi_size *table_address)
{
u8 *table_ptr;
u8 *mem_rover;
@@ -153,7 +153,7 @@ acpi_status acpi_find_root_pointer(acpi_native_uint * table_address)
* 1b) Search EBDA paragraphs (EBDA is required to be a
* minimum of 1_k length)
*/
- table_ptr = acpi_os_map_memory((acpi_native_uint)
+ table_ptr = acpi_os_map_memory((acpi_physical_address)
physical_address,
ACPI_EBDA_WINDOW_SIZE);
if (!table_ptr) {
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index ede084829a705a70209641d4f899ae95d8ab5612..3dfb8a442b2604e4186c2dd901efb4ef67bfd2b3 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -309,7 +309,8 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
*
******************************************************************************/
-void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
+void *acpi_ut_allocate(acpi_size size,
+ u32 component, const char *module, u32 line)
{
void *allocation;
@@ -353,7 +354,7 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
******************************************************************************/
void *acpi_ut_allocate_zeroed(acpi_size size,
- u32 component, char *module, u32 line)
+ u32 component, const char *module, u32 line)
{
void *allocation;
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 655c290aca7b6bb95c69b7147ff4fda7b0d0ca13..53499ac90988a19477b39bd9c0113c14594cbf5f 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -572,7 +572,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
acpi_status status = AE_OK;
union acpi_operand_object *package_object;
union acpi_operand_object **package_elements;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
@@ -599,7 +599,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
/* Truncate package and delete it */
- package_object->package.count = (u32) i;
+ package_object->package.count = i;
package_elements[i] = NULL;
acpi_ut_remove_reference(package_object);
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index f938f465efa4df6d0c2bd03f9dab870b7ec7e0f7..fd66ecb6741e3a2675a0e2c0358192807c8b2e5e 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -157,7 +157,8 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print(u32 requested_debug_level,
u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, char *format, ...)
+ const char *module_name,
+ u32 component_id, const char *format, ...)
{
acpi_thread_id thread_id;
va_list args;
@@ -228,7 +229,8 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw(u32 requested_debug_level,
u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, char *format, ...)
+ const char *module_name,
+ u32 component_id, const char *format, ...)
{
va_list args;
@@ -261,7 +263,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
******************************************************************************/
void
acpi_ut_trace(u32 line_number,
- const char *function_name, char *module_name, u32 component_id)
+ const char *function_name,
+ const char *module_name, u32 component_id)
{
acpi_gbl_nesting_level++;
@@ -293,7 +296,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace)
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, void *pointer)
+ const char *module_name, u32 component_id, void *pointer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
@@ -324,7 +327,7 @@ acpi_ut_trace_ptr(u32 line_number,
void
acpi_ut_trace_str(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, char *string)
+ const char *module_name, u32 component_id, char *string)
{
acpi_gbl_nesting_level++;
@@ -356,7 +359,7 @@ acpi_ut_trace_str(u32 line_number,
void
acpi_ut_trace_u32(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, u32 integer)
+ const char *module_name, u32 component_id, u32 integer)
{
acpi_gbl_nesting_level++;
@@ -386,7 +389,8 @@ acpi_ut_trace_u32(u32 line_number,
void
acpi_ut_exit(u32 line_number,
- const char *function_name, char *module_name, u32 component_id)
+ const char *function_name,
+ const char *module_name, u32 component_id)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@@ -417,7 +421,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_exit)
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, acpi_status status)
+ const char *module_name,
+ u32 component_id, acpi_status status)
{
if (ACPI_SUCCESS(status)) {
@@ -458,7 +463,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, acpi_integer value)
+ const char *module_name,
+ u32 component_id, acpi_integer value)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@@ -490,7 +496,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, u8 * ptr)
+ const char *module_name, u32 component_id, u8 *ptr)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@@ -519,8 +525,8 @@ acpi_ut_ptr_exit(u32 line_number,
void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
{
- acpi_native_uint i = 0;
- acpi_native_uint j;
+ u32 i = 0;
+ u32 j;
u32 temp32;
u8 buf_char;
@@ -539,7 +545,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
/* Print current offset */
- acpi_os_printf("%6.4X: ", (u32) i);
+ acpi_os_printf("%6.4X: ", i);
/* Print 16 hex chars */
@@ -549,7 +555,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
/* Dump fill spaces */
acpi_os_printf("%*s", ((display * 2) + 1), " ");
- j += (acpi_native_uint) display;
+ j += display;
continue;
}
@@ -557,32 +563,38 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
- acpi_os_printf("%02X ", buffer[i + j]);
+ acpi_os_printf("%02X ",
+ buffer[(acpi_size) i + j]);
break;
case DB_WORD_DISPLAY:
- ACPI_MOVE_16_TO_32(&temp32, &buffer[i + j]);
+ ACPI_MOVE_16_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
acpi_os_printf("%04X ", temp32);
break;
case DB_DWORD_DISPLAY:
- ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
acpi_os_printf("%08X ", temp32);
break;
case DB_QWORD_DISPLAY:
- ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
acpi_os_printf("%08X", temp32);
- ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j + 4]);
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j +
+ 4]);
acpi_os_printf("%08X ", temp32);
break;
}
- j += (acpi_native_uint) display;
+ j += display;
}
/*
@@ -596,7 +608,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
return;
}
- buf_char = buffer[i + j];
+ buf_char = buffer[(acpi_size) i + j];
if (ACPI_IS_PRINT(buf_char)) {
acpi_os_printf("%c", buf_char);
} else {
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 1fbc35139e84ebdd85d1c5de4b89c24f04c8e549..c5c791a575c9203f63c0a44ad07ad93487282643 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -442,7 +442,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
union acpi_generic_state *state_list = NULL;
union acpi_operand_object *next_object = NULL;
union acpi_generic_state *state;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index 05e61be267d5b09450f9299f4a1e1e73c91c62f5..352747e49c7a623930fd17491533a436394099ad 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/utilities/uteval.c
@@ -97,7 +97,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
@@ -217,7 +217,6 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
info->prefix_node = prefix_node;
info->pathname = path;
- info->parameter_type = ACPI_PARAM_ARGS;
/* Evaluate the object/method */
@@ -514,7 +513,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
u32 count;
u32 size;
struct acpi_compatible_id_list *cid_list;
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_TRACE(ut_execute_CID);
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 1f057b71db1a4aca5c68f271ff9c50d4a04acec5..f34be6773556beebd53f3dde5f63bc03a78e07cf 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -64,7 +64,7 @@ ACPI_MODULE_NAME("utmisc")
******************************************************************************/
const char *acpi_ut_validate_exception(acpi_status status)
{
- acpi_status sub_status;
+ u32 sub_status;
const char *exception = NULL;
ACPI_FUNCTION_ENTRY();
@@ -85,32 +85,28 @@ const char *acpi_ut_validate_exception(acpi_status status)
case AE_CODE_PROGRAMMER:
if (sub_status <= AE_CODE_PGM_MAX) {
- exception =
- acpi_gbl_exception_names_pgm[sub_status - 1];
+ exception = acpi_gbl_exception_names_pgm[sub_status];
}
break;
case AE_CODE_ACPI_TABLES:
if (sub_status <= AE_CODE_TBL_MAX) {
- exception =
- acpi_gbl_exception_names_tbl[sub_status - 1];
+ exception = acpi_gbl_exception_names_tbl[sub_status];
}
break;
case AE_CODE_AML:
if (sub_status <= AE_CODE_AML_MAX) {
- exception =
- acpi_gbl_exception_names_aml[sub_status - 1];
+ exception = acpi_gbl_exception_names_aml[sub_status];
}
break;
case AE_CODE_CONTROL:
if (sub_status <= AE_CODE_CTRL_MAX) {
- exception =
- acpi_gbl_exception_names_ctrl[sub_status - 1];
+ exception = acpi_gbl_exception_names_ctrl[sub_status];
}
break;
@@ -165,9 +161,9 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
{
- acpi_native_uint i;
- acpi_native_uint j;
- acpi_native_uint k;
+ u32 i;
+ u32 j;
+ u32 k;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
@@ -273,7 +269,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
{
acpi_owner_id owner_id = *owner_id_ptr;
acpi_status status;
- acpi_native_uint index;
+ u32 index;
u32 bit;
ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
@@ -593,7 +589,7 @@ acpi_ut_display_init_pathname(u8 type,
*
******************************************************************************/
-u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
+u8 acpi_ut_valid_acpi_char(char character, u32 position)
{
if (!((character >= 'A' && character <= 'Z') ||
@@ -628,7 +624,7 @@ u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
u8 acpi_ut_valid_acpi_name(u32 name)
{
- acpi_native_uint i;
+ u32 i;
ACPI_FUNCTION_ENTRY();
@@ -657,7 +653,7 @@ u8 acpi_ut_valid_acpi_name(u32 name)
acpi_name acpi_ut_repair_name(char *name)
{
- acpi_native_uint i;
+ u32 i;
char new_name[ACPI_NAME_SIZE];
for (i = 0; i < ACPI_NAME_SIZE; i++) {
@@ -1024,7 +1020,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_error(char *module_name, u32 line_number, char *format, ...)
+acpi_ut_error(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
@@ -1037,8 +1033,8 @@ acpi_ut_error(char *module_name, u32 line_number, char *format, ...)
}
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_exception(char *module_name,
- u32 line_number, acpi_status status, char *format, ...)
+acpi_ut_exception(const char *module_name,
+ u32 line_number, acpi_status status, const char *format, ...)
{
va_list args;
@@ -1054,7 +1050,8 @@ acpi_ut_exception(char *module_name,
EXPORT_SYMBOL(acpi_ut_exception);
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
+acpi_ut_warning(const char *module_name,
+ u32 line_number, const char *format, ...)
{
va_list args;
@@ -1067,7 +1064,7 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
}
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
+acpi_ut_info(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index f7d602b1a89467bedd215b222899c9ca47880faa..7331dde9e1b3d9dd9b15677cfa410ed82ed2d07e 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -218,7 +218,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
* the mutex ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
- for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
+ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
ACPI_ERROR((AE_INFO,
@@ -315,7 +315,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
* ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
- for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
+ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
continue;
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index e68466de80447c7068ffbd740ff9f265a22421fd..e25484495e652b026bda9c2dade35c0a07648ba1 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -83,7 +83,8 @@ acpi_ut_get_element_length(u8 object_type,
*
******************************************************************************/
-union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
+union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
+ *module_name,
u32 line_number,
u32 component_id,
acpi_object_type
@@ -175,8 +176,8 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
* Create the element array. Count+1 allows the array to be null
* terminated.
*/
- package_elements = ACPI_ALLOCATE_ZEROED((acpi_size)
- (count + 1) * sizeof(void *));
+ package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count +
+ 1) * sizeof(void *));
if (!package_elements) {
acpi_ut_remove_reference(package_desc);
return_PTR(NULL);
@@ -347,7 +348,7 @@ u8 acpi_ut_valid_internal_object(void *object)
*
******************************************************************************/
-void *acpi_ut_allocate_object_desc_dbg(char *module_name,
+void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
u32 line_number, u32 component_id)
{
union acpi_operand_object *object;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index d089c4519d456a796287ae9bfd77ad08d5f753f6..64c889331f3bd97be35ca4eeb0153e50aae74111 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -631,6 +631,76 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
* device : video output device (LCD, CRT, ..)
*
* Return Value:
+ * Maximum brightness level
+ *
+ * Allocate and initialize device->brightness.
+ */
+
+static int
+acpi_video_init_brightness(struct acpi_video_device *device)
+{
+ union acpi_object *obj = NULL;
+ int i, max_level = 0, count = 0;
+ union acpi_object *o;
+ struct acpi_video_device_brightness *br = NULL;
+
+ if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available "
+ "LCD brightness level\n"));
+ goto out;
+ }
+
+ if (obj->package.count < 2)
+ goto out;
+
+ br = kzalloc(sizeof(*br), GFP_KERNEL);
+ if (!br) {
+ printk(KERN_ERR "can't allocate memory\n");
+ goto out;
+ }
+
+ br->levels = kmalloc(obj->package.count * sizeof *(br->levels),
+ GFP_KERNEL);
+ if (!br->levels)
+ goto out_free;
+
+ for (i = 0; i < obj->package.count; i++) {
+ o = (union acpi_object *)&obj->package.elements[i];
+ if (o->type != ACPI_TYPE_INTEGER) {
+ printk(KERN_ERR PREFIX "Invalid data\n");
+ continue;
+ }
+ br->levels[count] = (u32) o->integer.value;
+
+ if (br->levels[count] > max_level)
+ max_level = br->levels[count];
+ count++;
+ }
+
+ if (count < 2)
+ goto out_free_levels;
+
+ br->count = count;
+ device->brightness = br;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count));
+ kfree(obj);
+ return max_level;
+
+out_free_levels:
+ kfree(br->levels);
+out_free:
+ kfree(br);
+out:
+ device->brightness = NULL;
+ kfree(obj);
+ return 0;
+}
+
+/*
+ * Arg:
+ * device : video output device (LCD, CRT, ..)
+ *
+ * Return Value:
* None
*
* Find out all required AML methods defined under the output
@@ -640,10 +710,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
acpi_handle h_dummy1;
- int i;
u32 max_level = 0;
- union acpi_object *obj = NULL;
- struct acpi_video_device_brightness *br = NULL;
memset(&device->cap, 0, sizeof(device->cap));
@@ -672,53 +739,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->cap._DSS = 1;
}
- if (ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
-
- if (obj->package.count >= 2) {
- int count = 0;
- union acpi_object *o;
-
- br = kzalloc(sizeof(*br), GFP_KERNEL);
- if (!br) {
- printk(KERN_ERR "can't allocate memory\n");
- } else {
- br->levels = kmalloc(obj->package.count *
- sizeof *(br->levels), GFP_KERNEL);
- if (!br->levels)
- goto out;
-
- for (i = 0; i < obj->package.count; i++) {
- o = (union acpi_object *)&obj->package.
- elements[i];
- if (o->type != ACPI_TYPE_INTEGER) {
- printk(KERN_ERR PREFIX "Invalid data\n");
- continue;
- }
- br->levels[count] = (u32) o->integer.value;
-
- if (br->levels[count] > max_level)
- max_level = br->levels[count];
- count++;
- }
- out:
- if (count < 2) {
- kfree(br->levels);
- kfree(br);
- } else {
- br->count = count;
- device->brightness = br;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "found %d brightness levels\n",
- count));
- }
- }
- }
-
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available LCD brightness level\n"));
- }
-
- kfree(obj);
+ max_level = acpi_video_init_brightness(device);
if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
int result;
@@ -1695,6 +1716,8 @@ static void
acpi_video_switch_brightness(struct acpi_video_device *device, int event)
{
unsigned long level_current, level_next;
+ if (!device->brightness)
+ return;
acpi_video_device_lcd_get_level_current(device, &level_current);
level_next = acpi_video_get_next_level(device, level_current, event);
acpi_video_device_lcd_set_level(device, level_next);
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index da8a1658a273b6253172b0622631796c4af137f0..aaca40283be932811cefe4ed3c1109100d990f81 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -58,6 +58,55 @@ struct apm_queue {
apm_event_t events[APM_MAX_EVENTS];
};
+/*
+ * thread states (for threads using a writable /dev/apm_bios fd):
+ *
+ * SUSPEND_NONE: nothing happening
+ * SUSPEND_PENDING: suspend event queued for thread and pending to be read
+ * SUSPEND_READ: suspend event read, pending acknowledgement
+ * SUSPEND_ACKED: acknowledgement received from thread (via ioctl),
+ * waiting for resume
+ * SUSPEND_ACKTO: acknowledgement timeout
+ * SUSPEND_DONE: thread had acked suspend and is now notified of
+ * resume
+ *
+ * SUSPEND_WAIT: this thread invoked suspend and is waiting for resume
+ *
+ * A thread migrates in one of three paths:
+ * NONE -1-> PENDING -2-> READ -3-> ACKED -4-> DONE -5-> NONE
+ * -6-> ACKTO -7-> NONE
+ * NONE -8-> WAIT -9-> NONE
+ *
+ * While in PENDING or READ, the thread is accounted for in the
+ * suspend_acks_pending counter.
+ *
+ * The transitions are invoked as follows:
+ * 1: suspend event is signalled from the core PM code
+ * 2: the suspend event is read from the fd by the userspace thread
+ * 3: userspace thread issues the APM_IOC_SUSPEND ioctl (as ack)
+ * 4: core PM code signals that we have resumed
+ * 5: APM_IOC_SUSPEND ioctl returns
+ *
+ * 6: the notifier invoked from the core PM code timed out waiting
+ * for all relevant threds to enter ACKED state and puts those
+ * that haven't into ACKTO
+ * 7: those threads issue APM_IOC_SUSPEND ioctl too late,
+ * get an error
+ *
+ * 8: userspace thread issues the APM_IOC_SUSPEND ioctl (to suspend),
+ * ioctl code invokes pm_suspend()
+ * 9: pm_suspend() returns indicating resume
+ */
+enum apm_suspend_state {
+ SUSPEND_NONE,
+ SUSPEND_PENDING,
+ SUSPEND_READ,
+ SUSPEND_ACKED,
+ SUSPEND_ACKTO,
+ SUSPEND_WAIT,
+ SUSPEND_DONE,
+};
+
/*
* The per-file APM data
*/
@@ -69,13 +118,7 @@ struct apm_user {
unsigned int reader: 1;
int suspend_result;
- unsigned int suspend_state;
-#define SUSPEND_NONE 0 /* no suspend pending */
-#define SUSPEND_PENDING 1 /* suspend pending read */
-#define SUSPEND_READ 2 /* suspend read, pending ack */
-#define SUSPEND_ACKED 3 /* suspend acked */
-#define SUSPEND_WAIT 4 /* waiting for suspend */
-#define SUSPEND_DONE 5 /* suspend completed */
+ enum apm_suspend_state suspend_state;
struct apm_queue queue;
};
@@ -83,7 +126,8 @@ struct apm_user {
/*
* Local variables
*/
-static int suspends_pending;
+static atomic_t suspend_acks_pending = ATOMIC_INIT(0);
+static atomic_t userspace_notification_inhibit = ATOMIC_INIT(0);
static int apm_disabled;
static struct task_struct *kapmd_tsk;
@@ -166,78 +210,6 @@ static void queue_event(apm_event_t event)
wake_up_interruptible(&apm_waitqueue);
}
-/*
- * queue_suspend_event - queue an APM suspend event.
- *
- * Check that we're in a state where we can suspend. If not,
- * return -EBUSY. Otherwise, queue an event to all "writer"
- * users. If there are no "writer" users, return '1' to
- * indicate that we can immediately suspend.
- */
-static int queue_suspend_event(apm_event_t event, struct apm_user *sender)
-{
- struct apm_user *as;
- int ret = 1;
-
- mutex_lock(&state_lock);
- down_read(&user_list_lock);
-
- /*
- * If a thread is still processing, we can't suspend, so reject
- * the request.
- */
- list_for_each_entry(as, &apm_user_list, list) {
- if (as != sender && as->reader && as->writer && as->suser &&
- as->suspend_state != SUSPEND_NONE) {
- ret = -EBUSY;
- goto out;
- }
- }
-
- list_for_each_entry(as, &apm_user_list, list) {
- if (as != sender && as->reader && as->writer && as->suser) {
- as->suspend_state = SUSPEND_PENDING;
- suspends_pending++;
- queue_add_event(&as->queue, event);
- ret = 0;
- }
- }
- out:
- up_read(&user_list_lock);
- mutex_unlock(&state_lock);
- wake_up_interruptible(&apm_waitqueue);
- return ret;
-}
-
-static void apm_suspend(void)
-{
- struct apm_user *as;
- int err = pm_suspend(PM_SUSPEND_MEM);
-
- /*
- * Anyone on the APM queues will think we're still suspended.
- * Send a message so everyone knows we're now awake again.
- */
- queue_event(APM_NORMAL_RESUME);
-
- /*
- * Finally, wake up anyone who is sleeping on the suspend.
- */
- mutex_lock(&state_lock);
- down_read(&user_list_lock);
- list_for_each_entry(as, &apm_user_list, list) {
- if (as->suspend_state == SUSPEND_WAIT ||
- as->suspend_state == SUSPEND_ACKED) {
- as->suspend_result = err;
- as->suspend_state = SUSPEND_DONE;
- }
- }
- up_read(&user_list_lock);
- mutex_unlock(&state_lock);
-
- wake_up(&apm_suspend_waitqueue);
-}
-
static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos)
{
struct apm_user *as = fp->private_data;
@@ -308,25 +280,22 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
as->suspend_result = -EINTR;
- if (as->suspend_state == SUSPEND_READ) {
- int pending;
-
+ switch (as->suspend_state) {
+ case SUSPEND_READ:
/*
* If we read a suspend command from /dev/apm_bios,
* then the corresponding APM_IOC_SUSPEND ioctl is
* interpreted as an acknowledge.
*/
as->suspend_state = SUSPEND_ACKED;
- suspends_pending--;
- pending = suspends_pending == 0;
+ atomic_dec(&suspend_acks_pending);
mutex_unlock(&state_lock);
/*
- * If there are no further acknowledges required,
- * suspend the system.
+ * suspend_acks_pending changed, the notifier needs to
+ * be woken up for this
*/
- if (pending)
- apm_suspend();
+ wake_up(&apm_suspend_waitqueue);
/*
* Wait for the suspend/resume to complete. If there
@@ -342,35 +311,21 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* try_to_freeze() in freezer_count() will not trigger
*/
freezer_count();
- } else {
+ break;
+ case SUSPEND_ACKTO:
+ as->suspend_result = -ETIMEDOUT;
+ mutex_unlock(&state_lock);
+ break;
+ default:
as->suspend_state = SUSPEND_WAIT;
mutex_unlock(&state_lock);
/*
* Otherwise it is a request to suspend the system.
- * Queue an event for all readers, and expect an
- * acknowledge from all writers who haven't already
- * acknowledged.
- */
- err = queue_suspend_event(APM_USER_SUSPEND, as);
- if (err < 0) {
- /*
- * Avoid taking the lock here - this
- * should be fine.
- */
- as->suspend_state = SUSPEND_NONE;
- break;
- }
-
- if (err > 0)
- apm_suspend();
-
- /*
- * Wait for the suspend/resume to complete. If there
- * are pending acknowledges, we wait here for them.
+ * Just invoke pm_suspend(), we'll handle it from
+ * there via the notifier.
*/
- wait_event_freezable(apm_suspend_waitqueue,
- as->suspend_state == SUSPEND_DONE);
+ as->suspend_result = pm_suspend(PM_SUSPEND_MEM);
}
mutex_lock(&state_lock);
@@ -386,7 +341,6 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
static int apm_release(struct inode * inode, struct file * filp)
{
struct apm_user *as = filp->private_data;
- int pending = 0;
filp->private_data = NULL;
@@ -396,18 +350,15 @@ static int apm_release(struct inode * inode, struct file * filp)
/*
* We are now unhooked from the chain. As far as new
- * events are concerned, we no longer exist. However, we
- * need to balance suspends_pending, which means the
- * possibility of sleeping.
+ * events are concerned, we no longer exist.
*/
mutex_lock(&state_lock);
- if (as->suspend_state != SUSPEND_NONE) {
- suspends_pending -= 1;
- pending = suspends_pending == 0;
- }
+ if (as->suspend_state == SUSPEND_PENDING ||
+ as->suspend_state == SUSPEND_READ)
+ atomic_dec(&suspend_acks_pending);
mutex_unlock(&state_lock);
- if (pending)
- apm_suspend();
+
+ wake_up(&apm_suspend_waitqueue);
kfree(as);
return 0;
@@ -545,7 +496,6 @@ static int kapmd(void *arg)
{
do {
apm_event_t event;
- int ret;
wait_event_interruptible(kapmd_wait,
!queue_empty(&kapmd_queue) || kthread_should_stop());
@@ -570,20 +520,13 @@ static int kapmd(void *arg)
case APM_USER_SUSPEND:
case APM_SYS_SUSPEND:
- ret = queue_suspend_event(event, NULL);
- if (ret < 0) {
- /*
- * We were busy. Try again in 50ms.
- */
- queue_add_event(&kapmd_queue, event);
- msleep(50);
- }
- if (ret > 0)
- apm_suspend();
+ pm_suspend(PM_SUSPEND_MEM);
break;
case APM_CRITICAL_SUSPEND:
- apm_suspend();
+ atomic_inc(&userspace_notification_inhibit);
+ pm_suspend(PM_SUSPEND_MEM);
+ atomic_dec(&userspace_notification_inhibit);
break;
}
} while (1);
@@ -591,6 +534,120 @@ static int kapmd(void *arg)
return 0;
}
+static int apm_suspend_notifier(struct notifier_block *nb,
+ unsigned long event,
+ void *dummy)
+{
+ struct apm_user *as;
+ int err;
+
+ /* short-cut emergency suspends */
+ if (atomic_read(&userspace_notification_inhibit))
+ return NOTIFY_DONE;
+
+ switch (event) {
+ case PM_SUSPEND_PREPARE:
+ /*
+ * Queue an event to all "writer" users that we want
+ * to suspend and need their ack.
+ */
+ mutex_lock(&state_lock);
+ down_read(&user_list_lock);
+
+ list_for_each_entry(as, &apm_user_list, list) {
+ if (as->suspend_state != SUSPEND_WAIT && as->reader &&
+ as->writer && as->suser) {
+ as->suspend_state = SUSPEND_PENDING;
+ atomic_inc(&suspend_acks_pending);
+ queue_add_event(&as->queue, APM_USER_SUSPEND);
+ }
+ }
+
+ up_read(&user_list_lock);
+ mutex_unlock(&state_lock);
+ wake_up_interruptible(&apm_waitqueue);
+
+ /*
+ * Wait for the the suspend_acks_pending variable to drop to
+ * zero, meaning everybody acked the suspend event (or the
+ * process was killed.)
+ *
+ * If the app won't answer within a short while we assume it
+ * locked up and ignore it.
+ */
+ err = wait_event_interruptible_timeout(
+ apm_suspend_waitqueue,
+ atomic_read(&suspend_acks_pending) == 0,
+ 5*HZ);
+
+ /* timed out */
+ if (err == 0) {
+ /*
+ * Move anybody who timed out to "ack timeout" state.
+ *
+ * We could time out and the userspace does the ACK
+ * right after we time out but before we enter the
+ * locked section here, but that's fine.
+ */
+ mutex_lock(&state_lock);
+ down_read(&user_list_lock);
+ list_for_each_entry(as, &apm_user_list, list) {
+ if (as->suspend_state == SUSPEND_PENDING ||
+ as->suspend_state == SUSPEND_READ) {
+ as->suspend_state = SUSPEND_ACKTO;
+ atomic_dec(&suspend_acks_pending);
+ }
+ }
+ up_read(&user_list_lock);
+ mutex_unlock(&state_lock);
+ }
+
+ /* let suspend proceed */
+ if (err >= 0)
+ return NOTIFY_OK;
+
+ /* interrupted by signal */
+ return NOTIFY_BAD;
+
+ case PM_POST_SUSPEND:
+ /*
+ * Anyone on the APM queues will think we're still suspended.
+ * Send a message so everyone knows we're now awake again.
+ */
+ queue_event(APM_NORMAL_RESUME);
+
+ /*
+ * Finally, wake up anyone who is sleeping on the suspend.
+ */
+ mutex_lock(&state_lock);
+ down_read(&user_list_lock);
+ list_for_each_entry(as, &apm_user_list, list) {
+ if (as->suspend_state == SUSPEND_ACKED) {
+ /*
+ * TODO: maybe grab error code, needs core
+ * changes to push the error to the notifier
+ * chain (could use the second parameter if
+ * implemented)
+ */
+ as->suspend_result = 0;
+ as->suspend_state = SUSPEND_DONE;
+ }
+ }
+ up_read(&user_list_lock);
+ mutex_unlock(&state_lock);
+
+ wake_up(&apm_suspend_waitqueue);
+ return NOTIFY_OK;
+
+ default:
+ return NOTIFY_DONE;
+ }
+}
+
+static struct notifier_block apm_notif_block = {
+ .notifier_call = apm_suspend_notifier,
+};
+
static int __init apm_init(void)
{
int ret;
@@ -604,7 +661,7 @@ static int __init apm_init(void)
if (IS_ERR(kapmd_tsk)) {
ret = PTR_ERR(kapmd_tsk);
kapmd_tsk = NULL;
- return ret;
+ goto out;
}
wake_up_process(kapmd_tsk);
@@ -613,16 +670,27 @@ static int __init apm_init(void)
#endif
ret = misc_register(&apm_device);
- if (ret != 0) {
- remove_proc_entry("apm", NULL);
- kthread_stop(kapmd_tsk);
- }
+ if (ret)
+ goto out_stop;
+ ret = register_pm_notifier(&apm_notif_block);
+ if (ret)
+ goto out_unregister;
+
+ return 0;
+
+ out_unregister:
+ misc_deregister(&apm_device);
+ out_stop:
+ remove_proc_entry("apm", NULL);
+ kthread_stop(kapmd_tsk);
+ out:
return ret;
}
static void __exit apm_exit(void)
{
+ unregister_pm_notifier(&apm_notif_block);
misc_deregister(&apm_device);
remove_proc_entry("apm", NULL);
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 636af2862308fab614b4f9f9b2395ce0a24c7e4f..1921b8dbb2427f94d1403c24e0330c6dbad7d70b 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -179,17 +179,29 @@ config FUJITSU_LAPTOP
tristate "Fujitsu Laptop Extras"
depends on X86
depends on ACPI
+ depends on INPUT
depends on BACKLIGHT_CLASS_DEVICE
---help---
This is a driver for laptops built by Fujitsu:
* P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
* Possibly other Fujitsu laptop models
+ * Tested with S6410 and S7020
- It adds support for LCD brightness control.
+ It adds support for LCD brightness control and some hotkeys.
If you have a Fujitsu laptop, say Y or M here.
+config FUJITSU_LAPTOP_DEBUG
+ bool "Verbose debug mode for Fujitsu Laptop Extras"
+ depends on FUJITSU_LAPTOP
+ default n
+ ---help---
+ Enables extra debug output from the fujitsu extras driver, at the
+ expense of a slight increase in driver size.
+
+ If you are not sure, say N here.
+
config TC1100_WMI
tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)"
depends on X86 && !X86_64
@@ -219,6 +231,23 @@ config MSI_LAPTOP
If you have an MSI S270 laptop, say Y or M here.
+config COMPAL_LAPTOP
+ tristate "Compal Laptop Extras"
+ depends on X86
+ depends on ACPI_EC
+ depends on BACKLIGHT_CLASS_DEVICE
+ ---help---
+ This is a driver for laptops built by Compal:
+
+ Compal FL90/IFL90
+ Compal FL91/IFL91
+ Compal FL92/JFL92
+ Compal FT00/IFT00
+
+ It adds support for Bluetooth, WLAN and LCD brightness control.
+
+ If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here.
+
config SONY_LAPTOP
tristate "Sony Laptop Extras"
depends on X86 && ACPI
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 1952875a272ec406dfcbc8566a606002eebee128..a6dac6a2e7e59c485fcd5a65f9f4ed752768a2af 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -5,10 +5,11 @@ obj- := misc.o # Dummy rule to force built-in.o to be made
obj-$(CONFIG_IBM_ASM) += ibmasm/
obj-$(CONFIG_HDPU_FEATURES) += hdpuftrs/
-obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
-obj-$(CONFIG_ACER_WMI) += acer-wmi.o
obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
+obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
+obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o
+obj-$(CONFIG_ACER_WMI) += acer-wmi.o
obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o
obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o
obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index dd13a3749927494804aa4566c59df652d963f40b..e7a3fe508dff00c9cd9d0e8db8a5227e487f3737 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -22,18 +22,18 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define ACER_WMI_VERSION "0.1"
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/dmi.h>
+#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/i8042.h>
+#include <linux/debugfs.h>
#include <acpi/acpi_drivers.h>
@@ -87,6 +87,7 @@ struct acer_quirks {
* Acer ACPI method GUIDs
*/
#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
+#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
#define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"
#define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A"
@@ -150,6 +151,12 @@ struct acer_data {
int brightness;
};
+struct acer_debug {
+ struct dentry *root;
+ struct dentry *devices;
+ u32 wmid_devices;
+};
+
/* Each low-level interface must define at least some of the following */
struct wmi_interface {
/* The WMI device type */
@@ -160,6 +167,9 @@ struct wmi_interface {
/* Private data for the current interface */
struct acer_data data;
+
+ /* debugfs entries associated with this interface */
+ struct acer_debug debug;
};
/* The static interface pointer, points to the currently detected interface */
@@ -174,7 +184,7 @@ static struct wmi_interface *interface;
struct quirk_entry {
u8 wireless;
u8 mailled;
- u8 brightness;
+ s8 brightness;
u8 bluetooth;
};
@@ -198,6 +208,10 @@ static int dmi_matched(const struct dmi_system_id *dmi)
static struct quirk_entry quirk_unknown = {
};
+static struct quirk_entry quirk_acer_aspire_1520 = {
+ .brightness = -1,
+};
+
static struct quirk_entry quirk_acer_travelmate_2490 = {
.mailled = 1,
};
@@ -207,7 +221,29 @@ static struct quirk_entry quirk_medion_md_98300 = {
.wireless = 1,
};
+static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
+ .wireless = 2,
+};
+
static struct dmi_system_id acer_quirks[] = {
+ {
+ .callback = dmi_matched,
+ .ident = "Acer Aspire 1360",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
+ },
+ .driver_data = &quirk_acer_aspire_1520,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Acer Aspire 1520",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
+ },
+ .driver_data = &quirk_acer_aspire_1520,
+ },
{
.callback = dmi_matched,
.ident = "Acer Aspire 3100",
@@ -298,6 +334,15 @@ static struct dmi_system_id acer_quirks[] = {
},
.driver_data = &quirk_acer_travelmate_2490,
},
+ {
+ .callback = dmi_matched,
+ .ident = "Fujitsu Siemens Amilo Li 1718",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
+ },
+ .driver_data = &quirk_fujitsu_amilo_li_1718,
+ },
{
.callback = dmi_matched,
.ident = "Medion MD 98300",
@@ -393,6 +438,12 @@ struct wmi_interface *iface)
return AE_ERROR;
*value = result & 0x1;
return AE_OK;
+ case 2:
+ err = ec_read(0x71, &result);
+ if (err)
+ return AE_ERROR;
+ *value = result & 0x1;
+ return AE_OK;
default:
err = ec_read(0xA, &result);
if (err)
@@ -506,6 +557,15 @@ static acpi_status AMW0_set_capabilities(void)
struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
+ /*
+ * On laptops with this strange GUID (non Acer), normal probing doesn't
+ * work.
+ */
+ if (wmi_has_guid(AMW0_GUID2)) {
+ interface->capability |= ACER_CAP_WIRELESS;
+ return AE_OK;
+ }
+
args.eax = ACER_AMW0_WRITE;
args.ecx = args.edx = 0;
@@ -552,7 +612,8 @@ static acpi_status AMW0_set_capabilities(void)
* appear to use the same EC register for brightness, even if they
* differ for wireless, etc
*/
- interface->capability |= ACER_CAP_BRIGHTNESS;
+ if (quirks->brightness >= 0)
+ interface->capability |= ACER_CAP_BRIGHTNESS;
return AE_OK;
}
@@ -807,7 +868,15 @@ static int read_brightness(struct backlight_device *bd)
static int update_bl_status(struct backlight_device *bd)
{
- set_u32(bd->props.brightness, ACER_CAP_BRIGHTNESS);
+ int intensity = bd->props.brightness;
+
+ if (bd->props.power != FB_BLANK_UNBLANK)
+ intensity = 0;
+ if (bd->props.fb_blank != FB_BLANK_UNBLANK)
+ intensity = 0;
+
+ set_u32(intensity, ACER_CAP_BRIGHTNESS);
+
return 0;
}
@@ -829,8 +898,9 @@ static int __devinit acer_backlight_init(struct device *dev)
acer_backlight_device = bd;
+ bd->props.power = FB_BLANK_UNBLANK;
+ bd->props.brightness = max_brightness;
bd->props.max_brightness = max_brightness;
- bd->props.brightness = read_brightness(NULL);
backlight_update_status(bd);
return 0;
}
@@ -893,6 +963,28 @@ static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR,
show_interface, NULL);
+/*
+ * debugfs functions
+ */
+static u32 get_wmid_devices(void)
+{
+ struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *obj;
+ acpi_status status;
+
+ status = wmi_query_block(WMID_GUID2, 1, &out);
+ if (ACPI_FAILURE(status))
+ return 0;
+
+ obj = (union acpi_object *) out.pointer;
+ if (obj && obj->type == ACPI_TYPE_BUFFER &&
+ obj->buffer.length == sizeof(u32)) {
+ return *((u32 *) obj->buffer.pointer);
+ } else {
+ return 0;
+ }
+}
+
/*
* Platform device
*/
@@ -1052,12 +1144,40 @@ static int create_sysfs(void)
return retval;
}
+static void remove_debugfs(void)
+{
+ debugfs_remove(interface->debug.devices);
+ debugfs_remove(interface->debug.root);
+}
+
+static int create_debugfs(void)
+{
+ interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
+ if (!interface->debug.root) {
+ printk(ACER_ERR "Failed to create debugfs directory");
+ return -ENOMEM;
+ }
+
+ interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
+ interface->debug.root,
+ &interface->debug.wmid_devices);
+ if (!interface->debug.devices)
+ goto error_debugfs;
+
+ return 0;
+
+error_debugfs:
+ remove_debugfs();
+ return -ENOMEM;
+}
+
static int __init acer_wmi_init(void)
{
int err;
- printk(ACER_INFO "Acer Laptop ACPI-WMI Extras version %s\n",
- ACER_WMI_VERSION);
+ printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n");
+
+ find_quirks();
/*
* Detect which ACPI-WMI interface we're using.
@@ -1092,8 +1212,6 @@ static int __init acer_wmi_init(void)
if (wmi_has_guid(AMW0_GUID1))
AMW0_find_mailled();
- find_quirks();
-
if (!interface) {
printk(ACER_ERR "No or unsupported WMI interface, unable to "
"load\n");
@@ -1111,6 +1229,13 @@ static int __init acer_wmi_init(void)
if (err)
return err;
+ if (wmi_has_guid(WMID_GUID2)) {
+ interface->debug.wmid_devices = get_wmid_devices();
+ err = create_debugfs();
+ if (err)
+ return err;
+ }
+
/* Override any initial settings with values from the commandline */
acer_commandline_init();
diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c
new file mode 100644
index 0000000000000000000000000000000000000000..344b790a6253992540b831c72b2677b2ec6fd69e
--- /dev/null
+++ b/drivers/misc/compal-laptop.c
@@ -0,0 +1,404 @@
+/*-*-linux-c-*-*/
+
+/*
+ Copyright (C) 2008 Cezary Jackiewicz <cezary.jackiewicz (at) gmail.com>
+
+ based on MSI driver
+
+ Copyright (C) 2006 Lennart Poettering <mzxreary (at) 0pointer (dot) de>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ */
+
+/*
+ * comapl-laptop.c - Compal laptop support.
+ *
+ * This driver exports a few files in /sys/devices/platform/compal-laptop/:
+ *
+ * wlan - wlan subsystem state: contains 0 or 1 (rw)
+ *
+ * bluetooth - Bluetooth subsystem state: contains 0 or 1 (rw)
+ *
+ * raw - raw value taken from embedded controller register (ro)
+ *
+ * In addition to these platform device attributes the driver
+ * registers itself in the Linux backlight control subsystem and is
+ * available to userspace under /sys/class/backlight/compal-laptop/.
+ *
+ * This driver might work on other laptops produced by Compal. If you
+ * want to try it you can pass force=1 as argument to the module which
+ * will force it to load even when the DMI data doesn't identify the
+ * laptop as FL9x.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/dmi.h>
+#include <linux/backlight.h>
+#include <linux/platform_device.h>
+#include <linux/autoconf.h>
+
+#define COMPAL_DRIVER_VERSION "0.2.6"
+
+#define COMPAL_LCD_LEVEL_MAX 8
+
+#define COMPAL_EC_COMMAND_WIRELESS 0xBB
+#define COMPAL_EC_COMMAND_LCD_LEVEL 0xB9
+
+#define KILLSWITCH_MASK 0x10
+#define WLAN_MASK 0x01
+#define BT_MASK 0x02
+
+static int force;
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
+
+/* Hardware access */
+
+static int set_lcd_level(int level)
+{
+ if (level < 0 || level >= COMPAL_LCD_LEVEL_MAX)
+ return -EINVAL;
+
+ ec_write(COMPAL_EC_COMMAND_LCD_LEVEL, level);
+
+ return 0;
+}
+
+static int get_lcd_level(void)
+{
+ u8 result;
+
+ ec_read(COMPAL_EC_COMMAND_LCD_LEVEL, &result);
+
+ return (int) result;
+}
+
+static int set_wlan_state(int state)
+{
+ u8 result, value;
+
+ ec_read(COMPAL_EC_COMMAND_WIRELESS, &result);
+
+ if ((result & KILLSWITCH_MASK) == 0)
+ return -EINVAL;
+ else {
+ if (state)
+ value = (u8) (result | WLAN_MASK);
+ else
+ value = (u8) (result & ~WLAN_MASK);
+ ec_write(COMPAL_EC_COMMAND_WIRELESS, value);
+ }
+
+ return 0;
+}
+
+static int set_bluetooth_state(int state)
+{
+ u8 result, value;
+
+ ec_read(COMPAL_EC_COMMAND_WIRELESS, &result);
+
+ if ((result & KILLSWITCH_MASK) == 0)
+ return -EINVAL;
+ else {
+ if (state)
+ value = (u8) (result | BT_MASK);
+ else
+ value = (u8) (result & ~BT_MASK);
+ ec_write(COMPAL_EC_COMMAND_WIRELESS, value);
+ }
+
+ return 0;
+}
+
+static int get_wireless_state(int *wlan, int *bluetooth)
+{
+ u8 result;
+
+ ec_read(COMPAL_EC_COMMAND_WIRELESS, &result);
+
+ if (wlan) {
+ if ((result & KILLSWITCH_MASK) == 0)
+ *wlan = 0;
+ else
+ *wlan = result & WLAN_MASK;
+ }
+
+ if (bluetooth) {
+ if ((result & KILLSWITCH_MASK) == 0)
+ *bluetooth = 0;
+ else
+ *bluetooth = (result & BT_MASK) >> 1;
+ }
+
+ return 0;
+}
+
+/* Backlight device stuff */
+
+static int bl_get_brightness(struct backlight_device *b)
+{
+ return get_lcd_level();
+}
+
+
+static int bl_update_status(struct backlight_device *b)
+{
+ return set_lcd_level(b->props.brightness);
+}
+
+static struct backlight_ops compalbl_ops = {
+ .get_brightness = bl_get_brightness,
+ .update_status = bl_update_status,
+};
+
+static struct backlight_device *compalbl_device;
+
+/* Platform device */
+
+static ssize_t show_wlan(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int ret, enabled;
+
+ ret = get_wireless_state(&enabled, NULL);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", enabled);
+}
+
+static ssize_t show_raw(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ u8 result;
+
+ ec_read(COMPAL_EC_COMMAND_WIRELESS, &result);
+
+ return sprintf(buf, "%i\n", result);
+}
+
+static ssize_t show_bluetooth(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int ret, enabled;
+
+ ret = get_wireless_state(NULL, &enabled);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", enabled);
+}
+
+static ssize_t store_wlan_state(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ int state, ret;
+
+ if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1))
+ return -EINVAL;
+
+ ret = set_wlan_state(state);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static ssize_t store_bluetooth_state(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ int state, ret;
+
+ if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1))
+ return -EINVAL;
+
+ ret = set_bluetooth_state(state);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static DEVICE_ATTR(bluetooth, 0644, show_bluetooth, store_bluetooth_state);
+static DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan_state);
+static DEVICE_ATTR(raw, 0444, show_raw, NULL);
+
+static struct attribute *compal_attributes[] = {
+ &dev_attr_bluetooth.attr,
+ &dev_attr_wlan.attr,
+ &dev_attr_raw.attr,
+ NULL
+};
+
+static struct attribute_group compal_attribute_group = {
+ .attrs = compal_attributes
+};
+
+static struct platform_driver compal_driver = {
+ .driver = {
+ .name = "compal-laptop",
+ .owner = THIS_MODULE,
+ }
+};
+
+static struct platform_device *compal_device;
+
+/* Initialization */
+
+static int dmi_check_cb(const struct dmi_system_id *id)
+{
+ printk(KERN_INFO "compal-laptop: Identified laptop model '%s'.\n",
+ id->ident);
+
+ return 0;
+}
+
+static struct dmi_system_id __initdata compal_dmi_table[] = {
+ {
+ .ident = "FL90/IFL90",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
+ DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
+ },
+ .callback = dmi_check_cb
+ },
+ {
+ .ident = "FL90/IFL90",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
+ DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
+ },
+ .callback = dmi_check_cb
+ },
+ {
+ .ident = "FL91/IFL91",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
+ DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
+ },
+ .callback = dmi_check_cb
+ },
+ {
+ .ident = "FL92/JFL92",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "JFL92"),
+ DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
+ },
+ .callback = dmi_check_cb
+ },
+ {
+ .ident = "FT00/IFT00",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "IFT00"),
+ DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
+ },
+ .callback = dmi_check_cb
+ },
+ { }
+};
+
+static int __init compal_init(void)
+{
+ int ret;
+
+ if (acpi_disabled)
+ return -ENODEV;
+
+ if (!force && !dmi_check_system(compal_dmi_table))
+ return -ENODEV;
+
+ /* Register backlight stuff */
+
+ compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
+ &compalbl_ops);
+ if (IS_ERR(compalbl_device))
+ return PTR_ERR(compalbl_device);
+
+ compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+
+ ret = platform_driver_register(&compal_driver);
+ if (ret)
+ goto fail_backlight;
+
+ /* Register platform stuff */
+
+ compal_device = platform_device_alloc("compal-laptop", -1);
+ if (!compal_device) {
+ ret = -ENOMEM;
+ goto fail_platform_driver;
+ }
+
+ ret = platform_device_add(compal_device);
+ if (ret)
+ goto fail_platform_device1;
+
+ ret = sysfs_create_group(&compal_device->dev.kobj,
+ &compal_attribute_group);
+ if (ret)
+ goto fail_platform_device2;
+
+ printk(KERN_INFO "compal-laptop: driver "COMPAL_DRIVER_VERSION
+ " successfully loaded.\n");
+
+ return 0;
+
+fail_platform_device2:
+
+ platform_device_del(compal_device);
+
+fail_platform_device1:
+
+ platform_device_put(compal_device);
+
+fail_platform_driver:
+
+ platform_driver_unregister(&compal_driver);
+
+fail_backlight:
+
+ backlight_device_unregister(compalbl_device);
+
+ return ret;
+}
+
+static void __exit compal_cleanup(void)
+{
+
+ sysfs_remove_group(&compal_device->dev.kobj, &compal_attribute_group);
+ platform_device_unregister(compal_device);
+ platform_driver_unregister(&compal_driver);
+ backlight_device_unregister(compalbl_device);
+
+ printk(KERN_INFO "compal-laptop: driver unloaded.\n");
+}
+
+module_init(compal_init);
+module_exit(compal_cleanup);
+
+MODULE_AUTHOR("Cezary Jackiewicz");
+MODULE_DESCRIPTION("Compal Laptop Support");
+MODULE_VERSION(COMPAL_DRIVER_VERSION);
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("dmi:*:rnIFL90:rvrIFT00:*");
+MODULE_ALIAS("dmi:*:rnIFL90:rvrREFERENCE:*");
+MODULE_ALIAS("dmi:*:rnIFL91:rvrIFT00:*");
+MODULE_ALIAS("dmi:*:rnJFL92:rvrIFT00:*");
+MODULE_ALIAS("dmi:*:rnIFT00:rvrIFT00:*");
diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 6d727609097fc4676e65cc381403b511197eec0b..9e8d79e7e9f4cb4b105840ce71420e435820edd5 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -87,7 +87,7 @@ enum {
CM_ASL_LID
};
-const char *cm_getv[] = {
+static const char *cm_getv[] = {
"WLDG", NULL, NULL, NULL,
"CAMG", NULL, NULL, NULL,
NULL, "PBLG", NULL, NULL,
@@ -96,7 +96,7 @@ const char *cm_getv[] = {
"CRDG", "LIDG"
};
-const char *cm_setv[] = {
+static const char *cm_setv[] = {
"WLDS", NULL, NULL, NULL,
"CAMS", NULL, NULL, NULL,
"SDSP", "PBLS", "HDPS", NULL,
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 6d14e8fe153706f69cb7b08c40b01f9c388baa54..7a1ef6c262defaf338bbfcbb7dff8c56f3c03c99 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -1,12 +1,14 @@
/*-*-linux-c-*-*/
/*
- Copyright (C) 2007 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
+ Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
+ Copyright (C) 2008 Peter Gruber <nokos@gmx.net>
Based on earlier work:
Copyright (C) 2003 Shane Spencer <shane@bogomip.com>
Adrian Yee <brewt-fujitsu@brewt.org>
- Templated from msi-laptop.c which is copyright by its respective authors.
+ Templated from msi-laptop.c and thinkpad_acpi.c which is copyright
+ by its respective authors.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -39,8 +41,17 @@
* registers itself in the Linux backlight control subsystem and is
* available to userspace under /sys/class/backlight/fujitsu-laptop/.
*
- * This driver has been tested on a Fujitsu Lifebook S7020. It should
- * work on most P-series and S-series Lifebooks, but YMMV.
+ * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are
+ * also supported by this driver.
+ *
+ * This driver has been tested on a Fujitsu Lifebook S6410 and S7020. It
+ * should work on most P-series and S-series Lifebooks, but YMMV.
+ *
+ * The module parameter use_alt_lcd_levels switches between different ACPI
+ * brightness controls which are used by different Fujitsu laptops. In most
+ * cases the correct method is automatically detected. "use_alt_lcd_levels=1"
+ * is applicable for a Fujitsu Lifebook S6410 if autodetection fails.
+ *
*/
#include <linux/module.h>
@@ -49,30 +60,105 @@
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/backlight.h>
+#include <linux/input.h>
+#include <linux/kfifo.h>
+#include <linux/video_output.h>
#include <linux/platform_device.h>
-#define FUJITSU_DRIVER_VERSION "0.3"
+#define FUJITSU_DRIVER_VERSION "0.4.2"
#define FUJITSU_LCD_N_LEVELS 8
#define ACPI_FUJITSU_CLASS "fujitsu"
#define ACPI_FUJITSU_HID "FUJ02B1"
-#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI extras driver"
+#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1"
-
+#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3"
+#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
+#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3"
+
+#define ACPI_FUJITSU_NOTIFY_CODE1 0x80
+
+#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86
+#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87
+
+/* Hotkey details */
+#define LOCK_KEY 0x410 /* codes for the keys in the GIRB register */
+#define DISPLAY_KEY 0x411 /* keys are mapped to KEY_SCREENLOCK (the key with the key symbol) */
+#define ENERGY_KEY 0x412 /* KEY_MEDIA (the key with the laptop symbol, KEY_EMAIL (E key)) */
+#define REST_KEY 0x413 /* KEY_SUSPEND (R key) */
+
+#define MAX_HOTKEY_RINGBUFFER_SIZE 100
+#define RINGBUFFERSIZE 40
+
+/* Debugging */
+#define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": "
+#define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG
+#define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG
+#define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG
+#define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG
+
+#define FUJLAPTOP_DBG_ALL 0xffff
+#define FUJLAPTOP_DBG_ERROR 0x0001
+#define FUJLAPTOP_DBG_WARN 0x0002
+#define FUJLAPTOP_DBG_INFO 0x0004
+#define FUJLAPTOP_DBG_TRACE 0x0008
+
+#define dbg_printk(a_dbg_level, format, arg...) \
+ do { if (dbg_level & a_dbg_level) \
+ printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \
+ } while (0)
+#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
+#define vdbg_printk(a_dbg_level, format, arg...) \
+ dbg_printk(a_dbg_level, format, ## arg)
+#else
+#define vdbg_printk(a_dbg_level, format, arg...)
+#endif
+
+/* Device controlling the backlight and associated keys */
struct fujitsu_t {
acpi_handle acpi_handle;
+ struct acpi_device *dev;
+ struct input_dev *input;
+ char phys[32];
struct backlight_device *bl_device;
struct platform_device *pf_device;
- unsigned long fuj02b1_state;
+ unsigned int max_brightness;
unsigned int brightness_changed;
unsigned int brightness_level;
};
static struct fujitsu_t *fujitsu;
+static int use_alt_lcd_levels = -1;
+static int disable_brightness_keys = -1;
+static int disable_brightness_adjust = -1;
+
+/* Device used to access other hotkeys on the laptop */
+struct fujitsu_hotkey_t {
+ acpi_handle acpi_handle;
+ struct acpi_device *dev;
+ struct input_dev *input;
+ char phys[32];
+ struct platform_device *pf_device;
+ struct kfifo *fifo;
+ spinlock_t fifo_lock;
+
+ unsigned int irb; /* info about the pressed buttons */
+};
-/* Hardware access */
+static struct fujitsu_hotkey_t *fujitsu_hotkey;
+
+static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
+ void *data);
+
+#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
+static u32 dbg_level = 0x03;
+#endif
+
+static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data);
+
+/* Hardware access for LCD brightness control */
static int set_lcd_level(int level)
{
@@ -81,7 +167,10 @@ static int set_lcd_level(int level)
struct acpi_object_list arg_list = { 1, &arg0 };
acpi_handle handle = NULL;
- if (level < 0 || level >= FUJITSU_LCD_N_LEVELS)
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
+ level);
+
+ if (level < 0 || level >= fujitsu->max_brightness)
return -EINVAL;
if (!fujitsu)
@@ -89,7 +178,38 @@ static int set_lcd_level(int level)
status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SBLL not present\n"));
+ vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
+ return -ENODEV;
+ }
+
+ arg0.integer.value = level;
+
+ status = acpi_evaluate_object(handle, NULL, &arg_list, NULL);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ return 0;
+}
+
+static int set_lcd_level_alt(int level)
+{
+ acpi_status status = AE_OK;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list arg_list = { 1, &arg0 };
+ acpi_handle handle = NULL;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n",
+ level);
+
+ if (level < 0 || level >= fujitsu->max_brightness)
+ return -EINVAL;
+
+ if (!fujitsu)
+ return -EINVAL;
+
+ status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
+ if (ACPI_FAILURE(status)) {
+ vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
return -ENODEV;
}
@@ -107,13 +227,52 @@ static int get_lcd_level(void)
unsigned long state = 0;
acpi_status status = AE_OK;
- // Get the Brightness
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
+
status =
acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
if (status < 0)
return status;
- fujitsu->fuj02b1_state = state;
+ fujitsu->brightness_level = state & 0x0fffffff;
+
+ if (state & 0x80000000)
+ fujitsu->brightness_changed = 1;
+ else
+ fujitsu->brightness_changed = 0;
+
+ return fujitsu->brightness_level;
+}
+
+static int get_max_brightness(void)
+{
+ unsigned long state = 0;
+ acpi_status status = AE_OK;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
+
+ status =
+ acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
+ if (status < 0)
+ return status;
+
+ fujitsu->max_brightness = state;
+
+ return fujitsu->max_brightness;
+}
+
+static int get_lcd_level_alt(void)
+{
+ unsigned long state = 0;
+ acpi_status status = AE_OK;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n");
+
+ status =
+ acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state);
+ if (status < 0)
+ return status;
+
fujitsu->brightness_level = state & 0x0fffffff;
if (state & 0x80000000)
@@ -128,12 +287,18 @@ static int get_lcd_level(void)
static int bl_get_brightness(struct backlight_device *b)
{
- return get_lcd_level();
+ if (use_alt_lcd_levels)
+ return get_lcd_level_alt();
+ else
+ return get_lcd_level();
}
static int bl_update_status(struct backlight_device *b)
{
- return set_lcd_level(b->props.brightness);
+ if (use_alt_lcd_levels)
+ return set_lcd_level_alt(b->props.brightness);
+ else
+ return set_lcd_level(b->props.brightness);
}
static struct backlight_ops fujitsubl_ops = {
@@ -141,7 +306,35 @@ static struct backlight_ops fujitsubl_ops = {
.update_status = bl_update_status,
};
-/* Platform device */
+/* Platform LCD brightness device */
+
+static ssize_t
+show_max_brightness(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ int ret;
+
+ ret = get_max_brightness();
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", ret);
+}
+
+static ssize_t
+show_brightness_changed(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ int ret;
+
+ ret = fujitsu->brightness_changed;
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", ret);
+}
static ssize_t show_lcd_level(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -149,7 +342,10 @@ static ssize_t show_lcd_level(struct device *dev,
int ret;
- ret = get_lcd_level();
+ if (use_alt_lcd_levels)
+ ret = get_lcd_level_alt();
+ else
+ ret = get_lcd_level();
if (ret < 0)
return ret;
@@ -164,19 +360,61 @@ static ssize_t store_lcd_level(struct device *dev,
int level, ret;
if (sscanf(buf, "%i", &level) != 1
- || (level < 0 || level >= FUJITSU_LCD_N_LEVELS))
+ || (level < 0 || level >= fujitsu->max_brightness))
return -EINVAL;
- ret = set_lcd_level(level);
+ if (use_alt_lcd_levels)
+ ret = set_lcd_level_alt(level);
+ else
+ ret = set_lcd_level(level);
+ if (ret < 0)
+ return ret;
+
+ if (use_alt_lcd_levels)
+ ret = get_lcd_level_alt();
+ else
+ ret = get_lcd_level();
if (ret < 0)
return ret;
return count;
}
+/* Hardware access for hotkey device */
+
+static int get_irb(void)
+{
+ unsigned long state = 0;
+ acpi_status status = AE_OK;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n");
+
+ status =
+ acpi_evaluate_integer(fujitsu_hotkey->acpi_handle, "GIRB", NULL,
+ &state);
+ if (status < 0)
+ return status;
+
+ fujitsu_hotkey->irb = state;
+
+ return fujitsu_hotkey->irb;
+}
+
+static ssize_t
+ignore_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ return count;
+}
+
+static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store);
+static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed,
+ ignore_store);
static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
static struct attribute *fujitsupf_attributes[] = {
+ &dev_attr_brightness_changed.attr,
+ &dev_attr_max_brightness.attr,
&dev_attr_lcd_level.attr,
NULL
};
@@ -192,14 +430,52 @@ static struct platform_driver fujitsupf_driver = {
}
};
-/* ACPI device */
+static int dmi_check_cb_s6410(const struct dmi_system_id *id)
+{
+ acpi_handle handle;
+ int have_blnf;
+ printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n",
+ id->ident);
+ have_blnf = ACPI_SUCCESS
+ (acpi_get_handle(NULL, "\\_SB.PCI0.GFX0.LCD.BLNF", &handle));
+ if (use_alt_lcd_levels == -1) {
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detecting usealt\n");
+ use_alt_lcd_levels = 1;
+ }
+ if (disable_brightness_keys == -1) {
+ vdbg_printk(FUJLAPTOP_DBG_TRACE,
+ "auto-detecting disable_keys\n");
+ disable_brightness_keys = have_blnf ? 1 : 0;
+ }
+ if (disable_brightness_adjust == -1) {
+ vdbg_printk(FUJLAPTOP_DBG_TRACE,
+ "auto-detecting disable_adjust\n");
+ disable_brightness_adjust = have_blnf ? 0 : 1;
+ }
+ return 0;
+}
+
+static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
+ {
+ .ident = "Fujitsu Siemens",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"),
+ },
+ .callback = dmi_check_cb_s6410},
+ {}
+};
+
+/* ACPI device for LCD brightness control */
static int acpi_fujitsu_add(struct acpi_device *device)
{
+ acpi_status status;
+ acpi_handle handle;
int result = 0;
int state = 0;
-
- ACPI_FUNCTION_TRACE("acpi_fujitsu_add");
+ struct input_dev *input;
+ int error;
if (!device)
return -EINVAL;
@@ -209,10 +485,42 @@ static int acpi_fujitsu_add(struct acpi_device *device)
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
acpi_driver_data(device) = fujitsu;
+ status = acpi_install_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_notify, fujitsu);
+
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_ERR "Error installing notify handler\n");
+ error = -ENODEV;
+ goto err_stop;
+ }
+
+ fujitsu->input = input = input_allocate_device();
+ if (!input) {
+ error = -ENOMEM;
+ goto err_uninstall_notify;
+ }
+
+ snprintf(fujitsu->phys, sizeof(fujitsu->phys),
+ "%s/video/input0", acpi_device_hid(device));
+
+ input->name = acpi_device_name(device);
+ input->phys = fujitsu->phys;
+ input->id.bustype = BUS_HOST;
+ input->id.product = 0x06;
+ input->dev.parent = &device->dev;
+ input->evbit[0] = BIT(EV_KEY);
+ set_bit(KEY_BRIGHTNESSUP, input->keybit);
+ set_bit(KEY_BRIGHTNESSDOWN, input->keybit);
+ set_bit(KEY_UNKNOWN, input->keybit);
+
+ error = input_register_device(input);
+ if (error)
+ goto err_free_input_dev;
+
result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error reading power state\n"));
+ printk(KERN_ERR "Error reading power state\n");
goto end;
}
@@ -220,22 +528,373 @@ static int acpi_fujitsu_add(struct acpi_device *device)
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- end:
+ fujitsu->dev = device;
+
+ if (ACPI_SUCCESS
+ (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
+ vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
+ if (ACPI_FAILURE
+ (acpi_evaluate_object
+ (device->handle, METHOD_NAME__INI, NULL, NULL)))
+ printk(KERN_ERR "_INI Method failed\n");
+ }
+
+ /* do config (detect defaults) */
+ dmi_check_system(fujitsu_dmi_table);
+ use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
+ disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0;
+ disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
+ vdbg_printk(FUJLAPTOP_DBG_INFO,
+ "config: [alt interface: %d], [key disable: %d], [adjust disable: %d]\n",
+ use_alt_lcd_levels, disable_brightness_keys,
+ disable_brightness_adjust);
+
+ if (get_max_brightness() <= 0)
+ fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
+ if (use_alt_lcd_levels)
+ get_lcd_level_alt();
+ else
+ get_lcd_level();
+
+ return result;
+
+end:
+err_free_input_dev:
+ input_free_device(input);
+err_uninstall_notify:
+ acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_notify);
+err_stop:
return result;
}
static int acpi_fujitsu_remove(struct acpi_device *device, int type)
{
- ACPI_FUNCTION_TRACE("acpi_fujitsu_remove");
+ acpi_status status;
+ struct fujitsu_t *fujitsu = NULL;
if (!device || !acpi_driver_data(device))
return -EINVAL;
+
+ fujitsu = acpi_driver_data(device);
+
+ status = acpi_remove_notify_handler(fujitsu->acpi_handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_notify);
+
+ if (!device || !acpi_driver_data(device))
+ return -EINVAL;
+
fujitsu->acpi_handle = NULL;
return 0;
}
+/* Brightness notify */
+
+static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct input_dev *input;
+ int keycode;
+ int oldb, newb;
+
+ input = fujitsu->input;
+
+ switch (event) {
+ case ACPI_FUJITSU_NOTIFY_CODE1:
+ keycode = 0;
+ oldb = fujitsu->brightness_level;
+ get_lcd_level(); /* the alt version always yields changed */
+ newb = fujitsu->brightness_level;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE,
+ "brightness button event [%i -> %i (%i)]\n",
+ oldb, newb, fujitsu->brightness_changed);
+
+ if (oldb == newb && fujitsu->brightness_changed) {
+ keycode = 0;
+ if (disable_brightness_keys != 1) {
+ if (oldb == 0) {
+ acpi_bus_generate_proc_event(fujitsu->
+ dev,
+ ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
+ 0);
+ keycode = KEY_BRIGHTNESSDOWN;
+ } else if (oldb ==
+ (fujitsu->max_brightness) - 1) {
+ acpi_bus_generate_proc_event(fujitsu->
+ dev,
+ ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
+ 0);
+ keycode = KEY_BRIGHTNESSUP;
+ }
+ }
+ } else if (oldb < newb) {
+ if (disable_brightness_adjust != 1) {
+ if (use_alt_lcd_levels)
+ set_lcd_level_alt(newb);
+ else
+ set_lcd_level(newb);
+ }
+ if (disable_brightness_keys != 1) {
+ acpi_bus_generate_proc_event(fujitsu->dev,
+ ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
+ 0);
+ keycode = KEY_BRIGHTNESSUP;
+ }
+ } else if (oldb > newb) {
+ if (disable_brightness_adjust != 1) {
+ if (use_alt_lcd_levels)
+ set_lcd_level_alt(newb);
+ else
+ set_lcd_level(newb);
+ }
+ if (disable_brightness_keys != 1) {
+ acpi_bus_generate_proc_event(fujitsu->dev,
+ ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
+ 0);
+ keycode = KEY_BRIGHTNESSDOWN;
+ }
+ } else {
+ keycode = KEY_UNKNOWN;
+ }
+ break;
+ default:
+ keycode = KEY_UNKNOWN;
+ vdbg_printk(FUJLAPTOP_DBG_WARN,
+ "unsupported event [0x%x]\n", event);
+ break;
+ }
+
+ if (keycode != 0) {
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+ }
+
+ return;
+}
+
+/* ACPI device for hotkey handling */
+
+static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
+{
+ acpi_status status;
+ acpi_handle handle;
+ int result = 0;
+ int state = 0;
+ struct input_dev *input;
+ int error;
+ int i;
+
+ if (!device)
+ return -EINVAL;
+
+ fujitsu_hotkey->acpi_handle = device->handle;
+ sprintf(acpi_device_name(device), "%s",
+ ACPI_FUJITSU_HOTKEY_DEVICE_NAME);
+ sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
+ acpi_driver_data(device) = fujitsu_hotkey;
+
+ status = acpi_install_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_hotkey_notify,
+ fujitsu_hotkey);
+
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_ERR "Error installing notify handler\n");
+ error = -ENODEV;
+ goto err_stop;
+ }
+
+ /* kfifo */
+ spin_lock_init(&fujitsu_hotkey->fifo_lock);
+ fujitsu_hotkey->fifo =
+ kfifo_alloc(RINGBUFFERSIZE * sizeof(int), GFP_KERNEL,
+ &fujitsu_hotkey->fifo_lock);
+ if (IS_ERR(fujitsu_hotkey->fifo)) {
+ printk(KERN_ERR "kfifo_alloc failed\n");
+ error = PTR_ERR(fujitsu_hotkey->fifo);
+ goto err_stop;
+ }
+
+ fujitsu_hotkey->input = input = input_allocate_device();
+ if (!input) {
+ error = -ENOMEM;
+ goto err_uninstall_notify;
+ }
+
+ snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
+ "%s/video/input0", acpi_device_hid(device));
+
+ input->name = acpi_device_name(device);
+ input->phys = fujitsu_hotkey->phys;
+ input->id.bustype = BUS_HOST;
+ input->id.product = 0x06;
+ input->dev.parent = &device->dev;
+ input->evbit[0] = BIT(EV_KEY);
+ set_bit(KEY_SCREENLOCK, input->keybit);
+ set_bit(KEY_MEDIA, input->keybit);
+ set_bit(KEY_EMAIL, input->keybit);
+ set_bit(KEY_SUSPEND, input->keybit);
+ set_bit(KEY_UNKNOWN, input->keybit);
+
+ error = input_register_device(input);
+ if (error)
+ goto err_free_input_dev;
+
+ result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state);
+ if (result) {
+ printk(KERN_ERR "Error reading power state\n");
+ goto end;
+ }
+
+ printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
+ acpi_device_name(device), acpi_device_bid(device),
+ !device->power.state ? "on" : "off");
+
+ fujitsu_hotkey->dev = device;
+
+ if (ACPI_SUCCESS
+ (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
+ vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
+ if (ACPI_FAILURE
+ (acpi_evaluate_object
+ (device->handle, METHOD_NAME__INI, NULL, NULL)))
+ printk(KERN_ERR "_INI Method failed\n");
+ }
+
+ i = 0; /* Discard hotkey ringbuffer */
+ while (get_irb() != 0 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) ;
+ vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
+
+ return result;
+
+end:
+err_free_input_dev:
+ input_free_device(input);
+err_uninstall_notify:
+ acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_hotkey_notify);
+ kfifo_free(fujitsu_hotkey->fifo);
+err_stop:
+
+ return result;
+}
+
+static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
+{
+ acpi_status status;
+ struct fujitsu_hotkey_t *fujitsu_hotkey = NULL;
+
+ if (!device || !acpi_driver_data(device))
+ return -EINVAL;
+
+ fujitsu_hotkey = acpi_driver_data(device);
+
+ status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_fujitsu_hotkey_notify);
+
+ fujitsu_hotkey->acpi_handle = NULL;
+
+ kfifo_free(fujitsu_hotkey->fifo);
+
+ return 0;
+}
+
+static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
+ void *data)
+{
+ struct input_dev *input;
+ int keycode, keycode_r;
+ unsigned int irb = 1;
+ int i, status;
+
+ input = fujitsu_hotkey->input;
+
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "Hotkey event\n");
+
+ switch (event) {
+ case ACPI_FUJITSU_NOTIFY_CODE1:
+ i = 0;
+ while ((irb = get_irb()) != 0
+ && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "GIRB result [%x]\n",
+ irb);
+
+ switch (irb & 0x4ff) {
+ case LOCK_KEY:
+ keycode = KEY_SCREENLOCK;
+ break;
+ case DISPLAY_KEY:
+ keycode = KEY_MEDIA;
+ break;
+ case ENERGY_KEY:
+ keycode = KEY_EMAIL;
+ break;
+ case REST_KEY:
+ keycode = KEY_SUSPEND;
+ break;
+ case 0:
+ keycode = 0;
+ break;
+ default:
+ vdbg_printk(FUJLAPTOP_DBG_WARN,
+ "Unknown GIRB result [%x]\n", irb);
+ keycode = -1;
+ break;
+ }
+ if (keycode > 0) {
+ vdbg_printk(FUJLAPTOP_DBG_TRACE,
+ "Push keycode into ringbuffer [%d]\n",
+ keycode);
+ status = kfifo_put(fujitsu_hotkey->fifo,
+ (unsigned char *)&keycode,
+ sizeof(keycode));
+ if (status != sizeof(keycode)) {
+ vdbg_printk(FUJLAPTOP_DBG_WARN,
+ "Could not push keycode [0x%x]\n",
+ keycode);
+ } else {
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ }
+ } else if (keycode == 0) {
+ while ((status =
+ kfifo_get
+ (fujitsu_hotkey->fifo, (unsigned char *)
+ &keycode_r,
+ sizeof
+ (keycode_r))) == sizeof(keycode_r)) {
+ input_report_key(input, keycode_r, 0);
+ input_sync(input);
+ vdbg_printk(FUJLAPTOP_DBG_TRACE,
+ "Pop keycode from ringbuffer [%d]\n",
+ keycode_r);
+ }
+ }
+ }
+
+ break;
+ default:
+ keycode = KEY_UNKNOWN;
+ vdbg_printk(FUJLAPTOP_DBG_WARN,
+ "Unsupported event [0x%x]\n", event);
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+ break;
+ }
+
+ return;
+}
+
+/* Initialization */
+
static const struct acpi_device_id fujitsu_device_ids[] = {
{ACPI_FUJITSU_HID, 0},
{"", 0},
@@ -251,11 +910,24 @@ static struct acpi_driver acpi_fujitsu_driver = {
},
};
-/* Initialization */
+static const struct acpi_device_id fujitsu_hotkey_device_ids[] = {
+ {ACPI_FUJITSU_HOTKEY_HID, 0},
+ {"", 0},
+};
+
+static struct acpi_driver acpi_fujitsu_hotkey_driver = {
+ .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME,
+ .class = ACPI_FUJITSU_CLASS,
+ .ids = fujitsu_hotkey_device_ids,
+ .ops = {
+ .add = acpi_fujitsu_hotkey_add,
+ .remove = acpi_fujitsu_hotkey_remove,
+ },
+};
static int __init fujitsu_init(void)
{
- int ret, result;
+ int ret, result, max_brightness;
if (acpi_disabled)
return -ENODEV;
@@ -271,19 +943,6 @@ static int __init fujitsu_init(void)
goto fail_acpi;
}
- /* Register backlight stuff */
-
- fujitsu->bl_device =
- backlight_device_register("fujitsu-laptop", NULL, NULL,
- &fujitsubl_ops);
- if (IS_ERR(fujitsu->bl_device))
- return PTR_ERR(fujitsu->bl_device);
-
- fujitsu->bl_device->props.max_brightness = FUJITSU_LCD_N_LEVELS - 1;
- ret = platform_driver_register(&fujitsupf_driver);
- if (ret)
- goto fail_backlight;
-
/* Register platform stuff */
fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
@@ -302,28 +961,68 @@ static int __init fujitsu_init(void)
if (ret)
goto fail_platform_device2;
+ /* Register backlight stuff */
+
+ fujitsu->bl_device =
+ backlight_device_register("fujitsu-laptop", NULL, NULL,
+ &fujitsubl_ops);
+ if (IS_ERR(fujitsu->bl_device))
+ return PTR_ERR(fujitsu->bl_device);
+
+ max_brightness = fujitsu->max_brightness;
+
+ fujitsu->bl_device->props.max_brightness = max_brightness - 1;
+ fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+
+ ret = platform_driver_register(&fujitsupf_driver);
+ if (ret)
+ goto fail_backlight;
+
+ /* Register hotkey driver */
+
+ fujitsu_hotkey = kmalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
+ if (!fujitsu_hotkey) {
+ ret = -ENOMEM;
+ goto fail_hotkey;
+ }
+ memset(fujitsu_hotkey, 0, sizeof(struct fujitsu_hotkey_t));
+
+ result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver);
+ if (result < 0) {
+ ret = -ENODEV;
+ goto fail_hotkey1;
+ }
+
printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION
" successfully loaded.\n");
return 0;
- fail_platform_device2:
+fail_hotkey1:
- platform_device_del(fujitsu->pf_device);
-
- fail_platform_device1:
-
- platform_device_put(fujitsu->pf_device);
+ kfree(fujitsu_hotkey);
- fail_platform_driver:
+fail_hotkey:
platform_driver_unregister(&fujitsupf_driver);
- fail_backlight:
+fail_backlight:
backlight_device_unregister(fujitsu->bl_device);
- fail_acpi:
+fail_platform_device2:
+
+ platform_device_del(fujitsu->pf_device);
+
+fail_platform_device1:
+
+ platform_device_put(fujitsu->pf_device);
+
+fail_platform_driver:
+
+ acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+
+fail_acpi:
kfree(fujitsu);
@@ -342,19 +1041,43 @@ static void __exit fujitsu_cleanup(void)
kfree(fujitsu);
+ acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
+
+ kfree(fujitsu_hotkey);
+
printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n");
}
module_init(fujitsu_init);
module_exit(fujitsu_cleanup);
-MODULE_AUTHOR("Jonathan Woithe");
+module_param(use_alt_lcd_levels, uint, 0644);
+MODULE_PARM_DESC(use_alt_lcd_levels,
+ "Use alternative interface for lcd_levels (needed for Lifebook s6410).");
+module_param(disable_brightness_keys, uint, 0644);
+MODULE_PARM_DESC(disable_brightness_keys,
+ "Disable brightness keys (eg. if they are already handled by the generic ACPI_VIDEO device).");
+module_param(disable_brightness_adjust, uint, 0644);
+MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment .");
+#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
+module_param_named(debug, dbg_level, uint, 0644);
+MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
+#endif
+
+MODULE_AUTHOR("Jonathan Woithe, Peter Gruber");
MODULE_DESCRIPTION("Fujitsu laptop extras support");
MODULE_VERSION(FUJITSU_DRIVER_VERSION);
MODULE_LICENSE("GPL");
+MODULE_ALIAS
+ ("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
+MODULE_ALIAS
+ ("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
+
static struct pnp_device_id pnp_ids[] = {
{ .id = "FUJ02bf" },
+ { .id = "FUJ02B1" },
+ { .id = "FUJ02E3" },
{ .id = "" }
};
MODULE_DEVICE_TABLE(pnp, pnp_ids);
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 9d6fc8e6285d0c557a5e1778e468f49066ff4da5..dab9d471914c3dacd3fd6f165ed8bd1a6ca60c56 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -293,13 +293,11 @@ EXPORT_SYMBOL(pci_osc_control_set);
* choose highest power _SxD or any lower power
*/
-static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev,
- pm_message_t state)
+static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev)
{
int acpi_state;
- acpi_state = acpi_pm_device_sleep_state(&pdev->dev,
- device_may_wakeup(&pdev->dev), NULL);
+ acpi_state = acpi_pm_device_sleep_state(&pdev->dev, NULL);
if (acpi_state < 0)
return PCI_POWER_ERROR;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e4548ab2a93c1d148f8100262671a6ad4a04f52a..75c60239cadd035d967677d60e662b5a23e360fe 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -508,7 +508,7 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state)
return 0;
}
-pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
+pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev);
/**
* pci_choose_state - Choose the power state of a PCI device
@@ -528,7 +528,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
return PCI_D0;
if (platform_pci_choose_state) {
- ret = platform_pci_choose_state(dev, state);
+ ret = platform_pci_choose_state(dev);
if (ret != PCI_POWER_ERROR)
return ret;
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 00408c97e5fc8cc2e38f52b408c70fdab9d133a8..312daff834b62c86387ad8043640e0cb306b602f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -6,8 +6,7 @@ extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
extern void pci_cleanup_rom(struct pci_dev *dev);
/* Firmware callbacks */
-extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev,
- pm_message_t state);
+extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev);
extern int (*platform_pci_set_power_state)(struct pci_dev *dev,
pci_power_t state);
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 886dac823ed6d6e1f66ff609c433fbd5644646fb..e3fa9a2d9a3d3a2a9124bd334c54632aeb760f94 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
+ */
+
extern spinlock_t pnp_lock;
void *pnp_alloc(long size);
@@ -19,22 +24,118 @@ void pnp_remove_card(struct pnp_card *card);
int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
void pnp_remove_card_device(struct pnp_dev *dev);
-struct pnp_option *pnp_build_option(int priority);
-struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
-struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
- int priority);
-int pnp_register_irq_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_irq *data);
-int pnp_register_dma_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_dma *data);
-int pnp_register_port_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_port *data);
-int pnp_register_mem_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_mem *data);
+struct pnp_port {
+ resource_size_t min; /* min base number */
+ resource_size_t max; /* max base number */
+ resource_size_t align; /* align boundary */
+ resource_size_t size; /* size of range */
+ unsigned char flags; /* port flags */
+};
+
+#define PNP_IRQ_NR 256
+typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t;
+
+struct pnp_irq {
+ pnp_irq_mask_t map; /* bitmap for IRQ lines */
+ unsigned char flags; /* IRQ flags */
+};
+
+struct pnp_dma {
+ unsigned char map; /* bitmask for DMA channels */
+ unsigned char flags; /* DMA flags */
+};
+
+struct pnp_mem {
+ resource_size_t min; /* min base number */
+ resource_size_t max; /* max base number */
+ resource_size_t align; /* align boundary */
+ resource_size_t size; /* size of range */
+ unsigned char flags; /* memory flags */
+};
+
+#define PNP_OPTION_DEPENDENT 0x80000000
+#define PNP_OPTION_SET_MASK 0xffff
+#define PNP_OPTION_SET_SHIFT 12
+#define PNP_OPTION_PRIORITY_MASK 0xfff
+#define PNP_OPTION_PRIORITY_SHIFT 0
+
+#define PNP_RES_PRIORITY_PREFERRED 0
+#define PNP_RES_PRIORITY_ACCEPTABLE 1
+#define PNP_RES_PRIORITY_FUNCTIONAL 2
+#define PNP_RES_PRIORITY_INVALID PNP_OPTION_PRIORITY_MASK
+
+struct pnp_option {
+ struct list_head list;
+ unsigned int flags; /* independent/dependent, set, priority */
+
+ unsigned long type; /* IORESOURCE_{IO,MEM,IRQ,DMA} */
+ union {
+ struct pnp_port port;
+ struct pnp_irq irq;
+ struct pnp_dma dma;
+ struct pnp_mem mem;
+ } u;
+};
+
+int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags,
+ pnp_irq_mask_t *map, unsigned char flags);
+int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags,
+ unsigned char map, unsigned char flags);
+int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags,
+ resource_size_t min, resource_size_t max,
+ resource_size_t align, resource_size_t size,
+ unsigned char flags);
+int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags,
+ resource_size_t min, resource_size_t max,
+ resource_size_t align, resource_size_t size,
+ unsigned char flags);
+
+static inline int pnp_option_is_dependent(struct pnp_option *option)
+{
+ return option->flags & PNP_OPTION_DEPENDENT ? 1 : 0;
+}
+
+static inline unsigned int pnp_option_set(struct pnp_option *option)
+{
+ return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK;
+}
+
+static inline unsigned int pnp_option_priority(struct pnp_option *option)
+{
+ return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) &
+ PNP_OPTION_PRIORITY_MASK;
+}
+
+static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev,
+ int priority)
+{
+ unsigned int flags;
+
+ if (priority > PNP_RES_PRIORITY_FUNCTIONAL) {
+ dev_warn(&dev->dev, "invalid dependent option priority %d "
+ "clipped to %d", priority,
+ PNP_RES_PRIORITY_INVALID);
+ priority = PNP_RES_PRIORITY_INVALID;
+ }
+
+ flags = PNP_OPTION_DEPENDENT |
+ ((dev->num_dependent_sets & PNP_OPTION_SET_MASK) <<
+ PNP_OPTION_SET_SHIFT) |
+ ((priority & PNP_OPTION_PRIORITY_MASK) <<
+ PNP_OPTION_PRIORITY_SHIFT);
+
+ dev->num_dependent_sets++;
+
+ return flags;
+}
+
+char *pnp_option_priority_name(struct pnp_option *option);
+void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option);
+
void pnp_init_resources(struct pnp_dev *dev);
void pnp_fixup_device(struct pnp_dev *dev);
-void pnp_free_option(struct pnp_option *option);
+void pnp_free_options(struct pnp_dev *dev);
int __pnp_add_device(struct pnp_dev *dev);
void __pnp_remove_device(struct pnp_dev *dev);
@@ -43,29 +144,18 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res);
int pnp_check_irq(struct pnp_dev *dev, struct resource *res);
int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
+char *pnp_resource_type_name(struct resource *res);
void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
-void pnp_init_resource(struct resource *res);
-
-struct pnp_resource *pnp_get_pnp_resource(struct pnp_dev *dev,
- unsigned int type, unsigned int num);
-
-#define PNP_MAX_PORT 40
-#define PNP_MAX_MEM 24
-#define PNP_MAX_IRQ 2
-#define PNP_MAX_DMA 2
+void pnp_free_resources(struct pnp_dev *dev);
+int pnp_resource_type(struct resource *res);
struct pnp_resource {
+ struct list_head list;
struct resource res;
- unsigned int index; /* ISAPNP config register index */
};
-struct pnp_resource_table {
- struct pnp_resource port[PNP_MAX_PORT];
- struct pnp_resource mem[PNP_MAX_MEM];
- struct pnp_resource dma[PNP_MAX_DMA];
- struct pnp_resource irq[PNP_MAX_IRQ];
-};
+void pnp_free_resource(struct pnp_resource *pnp_res);
struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
int flags);
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index 20771b7d4482562d18536aca252f9e870b08f907..a411582bcd72d3caf7638fc1ede2a0747498af6e 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -99,14 +99,28 @@ static void pnp_free_ids(struct pnp_dev *dev)
}
}
+void pnp_free_resource(struct pnp_resource *pnp_res)
+{
+ list_del(&pnp_res->list);
+ kfree(pnp_res);
+}
+
+void pnp_free_resources(struct pnp_dev *dev)
+{
+ struct pnp_resource *pnp_res, *tmp;
+
+ list_for_each_entry_safe(pnp_res, tmp, &dev->resources, list) {
+ pnp_free_resource(pnp_res);
+ }
+}
+
static void pnp_release_device(struct device *dmdev)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- pnp_free_option(dev->independent);
- pnp_free_option(dev->dependent);
pnp_free_ids(dev);
- kfree(dev->res);
+ pnp_free_resources(dev);
+ pnp_free_options(dev);
kfree(dev);
}
@@ -119,12 +133,8 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid
if (!dev)
return NULL;
- dev->res = kzalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
- if (!dev->res) {
- kfree(dev);
- return NULL;
- }
-
+ INIT_LIST_HEAD(&dev->resources);
+ INIT_LIST_HEAD(&dev->options);
dev->protocol = protocol;
dev->number = id;
dev->dma_mask = DMA_24BIT_MASK;
@@ -140,7 +150,6 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid
dev_id = pnp_add_id(dev, pnpid);
if (!dev_id) {
- kfree(dev->res);
kfree(dev);
return NULL;
}
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 5695a79f3a5262fe3701752a41cce19b43fff937..a876ecf7028c06c003d5fc1aed974bb9f5f97f98 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -3,6 +3,8 @@
*
* Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@perex.cz>
* Copyright 2002 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/pnp.h>
@@ -53,11 +55,13 @@ static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
static void pnp_print_port(pnp_info_buffer_t * buffer, char *space,
struct pnp_port *port)
{
- pnp_printf(buffer,
- "%sport 0x%x-0x%x, align 0x%x, size 0x%x, %i-bit address decoding\n",
- space, port->min, port->max,
- port->align ? (port->align - 1) : 0, port->size,
- port->flags & PNP_PORT_FLAG_16BITADDR ? 16 : 10);
+ pnp_printf(buffer, "%sport %#llx-%#llx, align %#llx, size %#llx, "
+ "%i-bit address decoding\n", space,
+ (unsigned long long) port->min,
+ (unsigned long long) port->max,
+ port->align ? ((unsigned long long) port->align - 1) : 0,
+ (unsigned long long) port->size,
+ port->flags & IORESOURCE_IO_16BIT_ADDR ? 16 : 10);
}
static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
@@ -67,7 +71,7 @@ static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
pnp_printf(buffer, "%sirq ", space);
for (i = 0; i < PNP_IRQ_NR; i++)
- if (test_bit(i, irq->map)) {
+ if (test_bit(i, irq->map.bits)) {
if (!first) {
pnp_printf(buffer, ",");
} else {
@@ -78,7 +82,7 @@ static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
else
pnp_printf(buffer, "%i", i);
}
- if (bitmap_empty(irq->map, PNP_IRQ_NR))
+ if (bitmap_empty(irq->map.bits, PNP_IRQ_NR))
pnp_printf(buffer, "<none>");
if (irq->flags & IORESOURCE_IRQ_HIGHEDGE)
pnp_printf(buffer, " High-Edge");
@@ -88,6 +92,8 @@ static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
pnp_printf(buffer, " High-Level");
if (irq->flags & IORESOURCE_IRQ_LOWLEVEL)
pnp_printf(buffer, " Low-Level");
+ if (irq->flags & IORESOURCE_IRQ_OPTIONAL)
+ pnp_printf(buffer, " (optional)");
pnp_printf(buffer, "\n");
}
@@ -148,8 +154,11 @@ static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
{
char *s;
- pnp_printf(buffer, "%sMemory 0x%x-0x%x, align 0x%x, size 0x%x",
- space, mem->min, mem->max, mem->align, mem->size);
+ pnp_printf(buffer, "%sMemory %#llx-%#llx, align %#llx, size %#llx",
+ space, (unsigned long long) mem->min,
+ (unsigned long long) mem->max,
+ (unsigned long long) mem->align,
+ (unsigned long long) mem->size);
if (mem->flags & IORESOURCE_MEM_WRITEABLE)
pnp_printf(buffer, ", writeable");
if (mem->flags & IORESOURCE_MEM_CACHEABLE)
@@ -177,65 +186,58 @@ static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
}
static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
- struct pnp_option *option, int dep)
+ struct pnp_option *option)
{
- char *s;
- struct pnp_port *port;
- struct pnp_irq *irq;
- struct pnp_dma *dma;
- struct pnp_mem *mem;
-
- if (dep) {
- switch (option->priority) {
- case PNP_RES_PRIORITY_PREFERRED:
- s = "preferred";
- break;
- case PNP_RES_PRIORITY_ACCEPTABLE:
- s = "acceptable";
- break;
- case PNP_RES_PRIORITY_FUNCTIONAL:
- s = "functional";
- break;
- default:
- s = "invalid";
- }
- pnp_printf(buffer, "Dependent: %02i - Priority %s\n", dep, s);
+ switch (option->type) {
+ case IORESOURCE_IO:
+ pnp_print_port(buffer, space, &option->u.port);
+ break;
+ case IORESOURCE_MEM:
+ pnp_print_mem(buffer, space, &option->u.mem);
+ break;
+ case IORESOURCE_IRQ:
+ pnp_print_irq(buffer, space, &option->u.irq);
+ break;
+ case IORESOURCE_DMA:
+ pnp_print_dma(buffer, space, &option->u.dma);
+ break;
}
-
- for (port = option->port; port; port = port->next)
- pnp_print_port(buffer, space, port);
- for (irq = option->irq; irq; irq = irq->next)
- pnp_print_irq(buffer, space, irq);
- for (dma = option->dma; dma; dma = dma->next)
- pnp_print_dma(buffer, space, dma);
- for (mem = option->mem; mem; mem = mem->next)
- pnp_print_mem(buffer, space, mem);
}
static ssize_t pnp_show_options(struct device *dmdev,
struct device_attribute *attr, char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- struct pnp_option *independent = dev->independent;
- struct pnp_option *dependent = dev->dependent;
- int ret, dep = 1;
+ pnp_info_buffer_t *buffer;
+ struct pnp_option *option;
+ int ret, dep = 0, set = 0;
+ char *indent;
- pnp_info_buffer_t *buffer = (pnp_info_buffer_t *)
- pnp_alloc(sizeof(pnp_info_buffer_t));
+ buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
if (!buffer)
return -ENOMEM;
buffer->len = PAGE_SIZE;
buffer->buffer = buf;
buffer->curr = buffer->buffer;
- if (independent)
- pnp_print_option(buffer, "", independent, 0);
- while (dependent) {
- pnp_print_option(buffer, " ", dependent, dep);
- dependent = dependent->next;
- dep++;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option)) {
+ indent = " ";
+ if (!dep || pnp_option_set(option) != set) {
+ set = pnp_option_set(option);
+ dep = 1;
+ pnp_printf(buffer, "Dependent: %02i - "
+ "Priority %s\n", set,
+ pnp_option_priority_name(option));
+ }
+ } else {
+ dep = 0;
+ indent = "";
+ }
+ pnp_print_option(buffer, indent, option);
}
+
ret = (buffer->curr - buf);
kfree(buffer);
return ret;
@@ -248,79 +250,59 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- struct resource *res;
- int i, ret;
pnp_info_buffer_t *buffer;
+ struct pnp_resource *pnp_res;
+ struct resource *res;
+ int ret;
if (!dev)
return -EINVAL;
- buffer = (pnp_info_buffer_t *) pnp_alloc(sizeof(pnp_info_buffer_t));
+ buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
if (!buffer)
return -ENOMEM;
+
buffer->len = PAGE_SIZE;
buffer->buffer = buf;
buffer->curr = buffer->buffer;
- pnp_printf(buffer, "state = ");
- if (dev->active)
- pnp_printf(buffer, "active\n");
- else
- pnp_printf(buffer, "disabled\n");
-
- for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
- if (pnp_resource_valid(res)) {
- pnp_printf(buffer, "io");
- if (res->flags & IORESOURCE_DISABLED)
- pnp_printf(buffer, " disabled\n");
- else
- pnp_printf(buffer, " 0x%llx-0x%llx\n",
- (unsigned long long) res->start,
- (unsigned long long) res->end);
- }
- }
- for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
- if (pnp_resource_valid(res)) {
- pnp_printf(buffer, "mem");
- if (res->flags & IORESOURCE_DISABLED)
- pnp_printf(buffer, " disabled\n");
- else
- pnp_printf(buffer, " 0x%llx-0x%llx\n",
- (unsigned long long) res->start,
- (unsigned long long) res->end);
- }
- }
- for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IRQ, i)); i++) {
- if (pnp_resource_valid(res)) {
- pnp_printf(buffer, "irq");
- if (res->flags & IORESOURCE_DISABLED)
- pnp_printf(buffer, " disabled\n");
- else
- pnp_printf(buffer, " %lld\n",
- (unsigned long long) res->start);
+ pnp_printf(buffer, "state = %s\n", dev->active ? "active" : "disabled");
+
+ list_for_each_entry(pnp_res, &dev->resources, list) {
+ res = &pnp_res->res;
+
+ pnp_printf(buffer, pnp_resource_type_name(res));
+
+ if (res->flags & IORESOURCE_DISABLED) {
+ pnp_printf(buffer, " disabled\n");
+ continue;
}
- }
- for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_DMA, i)); i++) {
- if (pnp_resource_valid(res)) {
- pnp_printf(buffer, "dma");
- if (res->flags & IORESOURCE_DISABLED)
- pnp_printf(buffer, " disabled\n");
- else
- pnp_printf(buffer, " %lld\n",
- (unsigned long long) res->start);
+
+ switch (pnp_resource_type(res)) {
+ case IORESOURCE_IO:
+ case IORESOURCE_MEM:
+ pnp_printf(buffer, " %#llx-%#llx\n",
+ (unsigned long long) res->start,
+ (unsigned long long) res->end);
+ break;
+ case IORESOURCE_IRQ:
+ case IORESOURCE_DMA:
+ pnp_printf(buffer, " %lld\n",
+ (unsigned long long) res->start);
+ break;
}
}
+
ret = (buffer->curr - buf);
kfree(buffer);
return ret;
}
-static ssize_t
-pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
- const char *ubuf, size_t count)
+static ssize_t pnp_set_current_resources(struct device *dmdev,
+ struct device_attribute *attr,
+ const char *ubuf, size_t count)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
- struct pnp_resource *pnp_res;
char *buf = (void *)ubuf;
int retval = 0;
resource_size_t start, end;
@@ -368,7 +350,6 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
goto done;
}
if (!strnicmp(buf, "set", 3)) {
- int nport = 0, nmem = 0, nirq = 0, ndma = 0;
if (dev->active)
goto done;
buf += 3;
@@ -391,10 +372,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
end = simple_strtoul(buf, &buf, 0);
} else
end = start;
- pnp_res = pnp_add_io_resource(dev, start, end,
- 0);
- if (pnp_res)
- pnp_res->index = nport++;
+ pnp_add_io_resource(dev, start, end, 0);
continue;
}
if (!strnicmp(buf, "mem", 3)) {
@@ -411,10 +389,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
end = simple_strtoul(buf, &buf, 0);
} else
end = start;
- pnp_res = pnp_add_mem_resource(dev, start, end,
- 0);
- if (pnp_res)
- pnp_res->index = nmem++;
+ pnp_add_mem_resource(dev, start, end, 0);
continue;
}
if (!strnicmp(buf, "irq", 3)) {
@@ -422,9 +397,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
while (isspace(*buf))
++buf;
start = simple_strtoul(buf, &buf, 0);
- pnp_res = pnp_add_irq_resource(dev, start, 0);
- if (pnp_res)
- pnp_res->index = nirq++;
+ pnp_add_irq_resource(dev, start, 0);
continue;
}
if (!strnicmp(buf, "dma", 3)) {
@@ -432,9 +405,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
while (isspace(*buf))
++buf;
start = simple_strtoul(buf, &buf, 0);
- pnp_res = pnp_add_dma_resource(dev, start, 0);
- if (pnp_res)
- pnp_res->index = ndma++;
+ pnp_add_dma_resource(dev, start, 0);
continue;
}
break;
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index f1bccdbdeb0841f282bd1c0ea70d1ee06278c303..101a835e8759fb3f757d72426cfc05c2d678865c 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -429,154 +429,135 @@ static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card,
* Add IRQ resource to resources list.
*/
static void __init isapnp_parse_irq_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[3];
- struct pnp_irq *irq;
unsigned long bits;
+ pnp_irq_mask_t map;
+ unsigned char flags = IORESOURCE_IRQ_HIGHEDGE;
isapnp_peek(tmp, size);
- irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
- return;
bits = (tmp[1] << 8) | tmp[0];
- bitmap_copy(irq->map, &bits, 16);
+
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ bitmap_copy(map.bits, &bits, 16);
+
if (size > 2)
- irq->flags = tmp[2];
- else
- irq->flags = IORESOURCE_IRQ_HIGHEDGE;
- pnp_register_irq_resource(dev, option, irq);
+ flags = tmp[2];
+
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
/*
* Add DMA resource to resources list.
*/
static void __init isapnp_parse_dma_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[2];
- struct pnp_dma *dma;
isapnp_peek(tmp, size);
- dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
- if (!dma)
- return;
- dma->map = tmp[0];
- dma->flags = tmp[1];
- pnp_register_dma_resource(dev, option, dma);
+ pnp_register_dma_resource(dev, option_flags, tmp[0], tmp[1]);
}
/*
* Add port resource to resources list.
*/
static void __init isapnp_parse_port_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[7];
- struct pnp_port *port;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = (tmp[2] << 8) | tmp[1];
- port->max = (tmp[4] << 8) | tmp[3];
- port->align = tmp[5];
- port->size = tmp[6];
- port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(dev, option, port);
+ min = (tmp[2] << 8) | tmp[1];
+ max = (tmp[4] << 8) | tmp[3];
+ align = tmp[5];
+ len = tmp[6];
+ flags = tmp[0] ? IORESOURCE_IO_16BIT_ADDR : 0;
+ pnp_register_port_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add fixed port resource to resources list.
*/
static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[3];
- struct pnp_port *port;
+ resource_size_t base, len;
isapnp_peek(tmp, size);
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = port->max = (tmp[1] << 8) | tmp[0];
- port->size = tmp[2];
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(dev, option, port);
+ base = (tmp[1] << 8) | tmp[0];
+ len = tmp[2];
+ pnp_register_port_resource(dev, option_flags, base, base, 0, len,
+ IORESOURCE_IO_FIXED);
}
/*
* Add memory resource to resources list.
*/
static void __init isapnp_parse_mem_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[9];
- struct pnp_mem *mem;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = ((tmp[2] << 8) | tmp[1]) << 8;
- mem->max = ((tmp[4] << 8) | tmp[3]) << 8;
- mem->align = (tmp[6] << 8) | tmp[5];
- mem->size = ((tmp[8] << 8) | tmp[7]) << 8;
- mem->flags = tmp[0];
- pnp_register_mem_resource(dev, option, mem);
+ min = ((tmp[2] << 8) | tmp[1]) << 8;
+ max = ((tmp[4] << 8) | tmp[3]) << 8;
+ align = (tmp[6] << 8) | tmp[5];
+ len = ((tmp[8] << 8) | tmp[7]) << 8;
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit memory resource to resources list.
*/
static void __init isapnp_parse_mem32_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[17];
- struct pnp_mem *mem;
+ resource_size_t min, max, align, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
- mem->max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
- mem->align =
- (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
- mem->size =
- (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
- mem->flags = tmp[0];
- pnp_register_mem_resource(dev, option, mem);
+ min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
+ max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
+ align = (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9];
+ len = (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13];
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags,
+ min, max, align, len, flags);
}
/*
* Add 32-bit fixed memory resource to resources list.
*/
static void __init isapnp_parse_fixed_mem32_resource(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
int size)
{
unsigned char tmp[9];
- struct pnp_mem *mem;
+ resource_size_t base, len;
+ unsigned char flags;
isapnp_peek(tmp, size);
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = mem->max =
- (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
- mem->size = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
- mem->align = 0;
- mem->flags = tmp[0];
- pnp_register_mem_resource(dev, option, mem);
+ base = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1];
+ len = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5];
+ flags = tmp[0];
+ pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags);
}
/*
@@ -604,20 +585,16 @@ isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size)
static int __init isapnp_create_device(struct pnp_card *card,
unsigned short size)
{
- int number = 0, skip = 0, priority = 0, compat = 0;
+ int number = 0, skip = 0, priority, compat = 0;
unsigned char type, tmp[17];
- struct pnp_option *option;
+ unsigned int option_flags;
struct pnp_dev *dev;
u32 eisa_id;
char id[8];
if ((dev = isapnp_parse_device(card, size, number++)) == NULL)
return 1;
- option = pnp_register_independent_option(dev);
- if (!option) {
- kfree(dev);
- return 1;
- }
+ option_flags = 0;
pnp_add_card_device(card, dev);
while (1) {
@@ -634,16 +611,11 @@ static int __init isapnp_create_device(struct pnp_card *card,
return 1;
size = 0;
skip = 0;
- option = pnp_register_independent_option(dev);
- if (!option) {
- kfree(dev);
- return 1;
- }
+ option_flags = 0;
pnp_add_card_device(card, dev);
} else {
skip = 1;
}
- priority = 0;
compat = 0;
break;
case _STAG_COMPATDEVID:
@@ -660,44 +632,42 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _STAG_IRQ:
if (size < 2 || size > 3)
goto __skip;
- isapnp_parse_irq_resource(dev, option, size);
+ isapnp_parse_irq_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_DMA:
if (size != 2)
goto __skip;
- isapnp_parse_dma_resource(dev, option, size);
+ isapnp_parse_dma_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_STARTDEP:
if (size > 1)
goto __skip;
- priority = 0x100 | PNP_RES_PRIORITY_ACCEPTABLE;
+ priority = PNP_RES_PRIORITY_ACCEPTABLE;
if (size > 0) {
isapnp_peek(tmp, size);
- priority = 0x100 | tmp[0];
+ priority = tmp[0];
size = 0;
}
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return 1;
+ option_flags = pnp_new_dependent_set(dev, priority);
break;
case _STAG_ENDDEP:
if (size != 0)
goto __skip;
- priority = 0;
- dev_dbg(&dev->dev, "end dependent options\n");
+ option_flags = 0;
break;
case _STAG_IOPORT:
if (size != 7)
goto __skip;
- isapnp_parse_port_resource(dev, option, size);
+ isapnp_parse_port_resource(dev, option_flags, size);
size = 0;
break;
case _STAG_FIXEDIO:
if (size != 3)
goto __skip;
- isapnp_parse_fixed_port_resource(dev, option, size);
+ isapnp_parse_fixed_port_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_VENDOR:
@@ -705,7 +675,7 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _LTAG_MEMRANGE:
if (size != 9)
goto __skip;
- isapnp_parse_mem_resource(dev, option, size);
+ isapnp_parse_mem_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_ANSISTR:
@@ -720,13 +690,14 @@ static int __init isapnp_create_device(struct pnp_card *card,
case _LTAG_MEM32RANGE:
if (size != 17)
goto __skip;
- isapnp_parse_mem32_resource(dev, option, size);
+ isapnp_parse_mem32_resource(dev, option_flags, size);
size = 0;
break;
case _LTAG_FIXEDMEM32RANGE:
if (size != 9)
goto __skip;
- isapnp_parse_fixed_mem32_resource(dev, option, size);
+ isapnp_parse_fixed_mem32_resource(dev, option_flags,
+ size);
size = 0;
break;
case _STAG_END:
@@ -928,7 +899,6 @@ EXPORT_SYMBOL(isapnp_write_byte);
static int isapnp_get_resources(struct pnp_dev *dev)
{
- struct pnp_resource *pnp_res;
int i, ret;
dev_dbg(&dev->dev, "get resources\n");
@@ -940,35 +910,23 @@ static int isapnp_get_resources(struct pnp_dev *dev)
for (i = 0; i < ISAPNP_MAX_PORT; i++) {
ret = isapnp_read_word(ISAPNP_CFG_PORT + (i << 1));
- if (ret) {
- pnp_res = pnp_add_io_resource(dev, ret, ret, 0);
- if (pnp_res)
- pnp_res->index = i;
- }
+ pnp_add_io_resource(dev, ret, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
}
for (i = 0; i < ISAPNP_MAX_MEM; i++) {
ret = isapnp_read_word(ISAPNP_CFG_MEM + (i << 3)) << 8;
- if (ret) {
- pnp_res = pnp_add_mem_resource(dev, ret, ret, 0);
- if (pnp_res)
- pnp_res->index = i;
- }
+ pnp_add_mem_resource(dev, ret, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
}
for (i = 0; i < ISAPNP_MAX_IRQ; i++) {
ret = isapnp_read_word(ISAPNP_CFG_IRQ + (i << 1)) >> 8;
- if (ret) {
- pnp_res = pnp_add_irq_resource(dev, ret, 0);
- if (pnp_res)
- pnp_res->index = i;
- }
+ pnp_add_irq_resource(dev, ret,
+ ret == 0 ? IORESOURCE_DISABLED : 0);
}
for (i = 0; i < ISAPNP_MAX_DMA; i++) {
ret = isapnp_read_byte(ISAPNP_CFG_DMA + i);
- if (ret != 4) {
- pnp_res = pnp_add_dma_resource(dev, ret, 0);
- if (pnp_res)
- pnp_res->index = i;
- }
+ pnp_add_dma_resource(dev, ret,
+ ret == 4 ? IORESOURCE_DISABLED : 0);
}
__end:
@@ -978,62 +936,45 @@ static int isapnp_get_resources(struct pnp_dev *dev)
static int isapnp_set_resources(struct pnp_dev *dev)
{
- struct pnp_resource *pnp_res;
struct resource *res;
- int tmp, index;
+ int tmp;
dev_dbg(&dev->dev, "set resources\n");
isapnp_cfg_begin(dev->card->number, dev->number);
dev->active = 1;
for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IO, tmp);
- if (!pnp_res)
- continue;
- res = &pnp_res->res;
- if (pnp_resource_valid(res)) {
- index = pnp_res->index;
+ res = pnp_get_resource(dev, IORESOURCE_IO, tmp);
+ if (pnp_resource_enabled(res)) {
dev_dbg(&dev->dev, " set io %d to %#llx\n",
- index, (unsigned long long) res->start);
- isapnp_write_word(ISAPNP_CFG_PORT + (index << 1),
+ tmp, (unsigned long long) res->start);
+ isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1),
res->start);
}
}
for (tmp = 0; tmp < ISAPNP_MAX_IRQ; tmp++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IRQ, tmp);
- if (!pnp_res)
- continue;
- res = &pnp_res->res;
- if (pnp_resource_valid(res)) {
+ res = pnp_get_resource(dev, IORESOURCE_IRQ, tmp);
+ if (pnp_resource_enabled(res)) {
int irq = res->start;
if (irq == 2)
irq = 9;
- index = pnp_res->index;
- dev_dbg(&dev->dev, " set irq %d to %d\n", index, irq);
- isapnp_write_byte(ISAPNP_CFG_IRQ + (index << 1), irq);
+ dev_dbg(&dev->dev, " set irq %d to %d\n", tmp, irq);
+ isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq);
}
}
for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_DMA, tmp);
- if (!pnp_res)
- continue;
- res = &pnp_res->res;
- if (pnp_resource_valid(res)) {
- index = pnp_res->index;
+ res = pnp_get_resource(dev, IORESOURCE_DMA, tmp);
+ if (pnp_resource_enabled(res)) {
dev_dbg(&dev->dev, " set dma %d to %lld\n",
- index, (unsigned long long) res->start);
- isapnp_write_byte(ISAPNP_CFG_DMA + index, res->start);
+ tmp, (unsigned long long) res->start);
+ isapnp_write_byte(ISAPNP_CFG_DMA + tmp, res->start);
}
}
for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_MEM, tmp);
- if (!pnp_res)
- continue;
- res = &pnp_res->res;
- if (pnp_resource_valid(res)) {
- index = pnp_res->index;
+ res = pnp_get_resource(dev, IORESOURCE_MEM, tmp);
+ if (pnp_resource_enabled(res)) {
dev_dbg(&dev->dev, " set mem %d to %#llx\n",
- index, (unsigned long long) res->start);
- isapnp_write_word(ISAPNP_CFG_MEM + (index << 3),
+ tmp, (unsigned long long) res->start);
+ isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3),
(res->start >> 8) & 0xffff);
}
}
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index bea0914ff947a337dcf45d2a58bf7b6fc0f38644..b526eaad3f6c4e069360b9167b83ae786ccf511b 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -3,6 +3,8 @@
*
* based on isapnp.c resource management (c) Jaroslav Kysela <perex@perex.cz>
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/errno.h>
@@ -19,82 +21,64 @@ DEFINE_MUTEX(pnp_res_mutex);
static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
{
- struct pnp_resource *pnp_res;
- struct resource *res;
-
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IO, idx);
- if (!pnp_res) {
- dev_err(&dev->dev, "too many I/O port resources\n");
- /* pretend we were successful so at least the manager won't try again */
- return 1;
- }
-
- res = &pnp_res->res;
+ struct resource *res, local_res;
- /* check if this resource has been manually set, if so skip */
- if (!(res->flags & IORESOURCE_AUTO)) {
+ res = pnp_get_resource(dev, IORESOURCE_IO, idx);
+ if (res) {
dev_dbg(&dev->dev, " io %d already set to %#llx-%#llx "
"flags %#lx\n", idx, (unsigned long long) res->start,
(unsigned long long) res->end, res->flags);
- return 1;
+ return 0;
}
- /* set the initial values */
- pnp_res->index = idx;
- res->flags |= rule->flags | IORESOURCE_IO;
- res->flags &= ~IORESOURCE_UNSET;
+ res = &local_res;
+ res->flags = rule->flags | IORESOURCE_AUTO;
+ res->start = 0;
+ res->end = 0;
if (!rule->size) {
res->flags |= IORESOURCE_DISABLED;
dev_dbg(&dev->dev, " io %d disabled\n", idx);
- return 1; /* skip disabled resource requests */
+ goto __add;
}
res->start = rule->min;
res->end = res->start + rule->size - 1;
- /* run through until pnp_check_port is happy */
while (!pnp_check_port(dev, res)) {
res->start += rule->align;
res->end = res->start + rule->size - 1;
if (res->start > rule->max || !rule->align) {
- dev_dbg(&dev->dev, " couldn't assign io %d\n", idx);
- return 0;
+ dev_dbg(&dev->dev, " couldn't assign io %d "
+ "(min %#llx max %#llx)\n", idx,
+ (unsigned long long) rule->min,
+ (unsigned long long) rule->max);
+ return -EBUSY;
}
}
- dev_dbg(&dev->dev, " assign io %d %#llx-%#llx\n", idx,
- (unsigned long long) res->start, (unsigned long long) res->end);
- return 1;
+
+__add:
+ pnp_add_io_resource(dev, res->start, res->end, res->flags);
+ return 0;
}
static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
{
- struct pnp_resource *pnp_res;
- struct resource *res;
-
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_MEM, idx);
- if (!pnp_res) {
- dev_err(&dev->dev, "too many memory resources\n");
- /* pretend we were successful so at least the manager won't try again */
- return 1;
- }
+ struct resource *res, local_res;
- res = &pnp_res->res;
-
- /* check if this resource has been manually set, if so skip */
- if (!(res->flags & IORESOURCE_AUTO)) {
+ res = pnp_get_resource(dev, IORESOURCE_MEM, idx);
+ if (res) {
dev_dbg(&dev->dev, " mem %d already set to %#llx-%#llx "
"flags %#lx\n", idx, (unsigned long long) res->start,
(unsigned long long) res->end, res->flags);
- return 1;
+ return 0;
}
- /* set the initial values */
- pnp_res->index = idx;
- res->flags |= rule->flags | IORESOURCE_MEM;
- res->flags &= ~IORESOURCE_UNSET;
+ res = &local_res;
+ res->flags = rule->flags | IORESOURCE_AUTO;
+ res->start = 0;
+ res->end = 0;
- /* convert pnp flags to standard Linux flags */
if (!(rule->flags & IORESOURCE_MEM_WRITEABLE))
res->flags |= IORESOURCE_READONLY;
if (rule->flags & IORESOURCE_MEM_CACHEABLE)
@@ -107,30 +91,32 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
if (!rule->size) {
res->flags |= IORESOURCE_DISABLED;
dev_dbg(&dev->dev, " mem %d disabled\n", idx);
- return 1; /* skip disabled resource requests */
+ goto __add;
}
res->start = rule->min;
res->end = res->start + rule->size - 1;
- /* run through until pnp_check_mem is happy */
while (!pnp_check_mem(dev, res)) {
res->start += rule->align;
res->end = res->start + rule->size - 1;
if (res->start > rule->max || !rule->align) {
- dev_dbg(&dev->dev, " couldn't assign mem %d\n", idx);
- return 0;
+ dev_dbg(&dev->dev, " couldn't assign mem %d "
+ "(min %#llx max %#llx)\n", idx,
+ (unsigned long long) rule->min,
+ (unsigned long long) rule->max);
+ return -EBUSY;
}
}
- dev_dbg(&dev->dev, " assign mem %d %#llx-%#llx\n", idx,
- (unsigned long long) res->start, (unsigned long long) res->end);
- return 1;
+
+__add:
+ pnp_add_mem_resource(dev, res->start, res->end, res->flags);
+ return 0;
}
static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
{
- struct pnp_resource *pnp_res;
- struct resource *res;
+ struct resource *res, local_res;
int i;
/* IRQ priority: this table is good for i386 */
@@ -138,59 +124,57 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2
};
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IRQ, idx);
- if (!pnp_res) {
- dev_err(&dev->dev, "too many IRQ resources\n");
- /* pretend we were successful so at least the manager won't try again */
- return 1;
- }
-
- res = &pnp_res->res;
-
- /* check if this resource has been manually set, if so skip */
- if (!(res->flags & IORESOURCE_AUTO)) {
+ res = pnp_get_resource(dev, IORESOURCE_IRQ, idx);
+ if (res) {
dev_dbg(&dev->dev, " irq %d already set to %d flags %#lx\n",
idx, (int) res->start, res->flags);
- return 1;
+ return 0;
}
- /* set the initial values */
- pnp_res->index = idx;
- res->flags |= rule->flags | IORESOURCE_IRQ;
- res->flags &= ~IORESOURCE_UNSET;
+ res = &local_res;
+ res->flags = rule->flags | IORESOURCE_AUTO;
+ res->start = -1;
+ res->end = -1;
- if (bitmap_empty(rule->map, PNP_IRQ_NR)) {
+ if (bitmap_empty(rule->map.bits, PNP_IRQ_NR)) {
res->flags |= IORESOURCE_DISABLED;
dev_dbg(&dev->dev, " irq %d disabled\n", idx);
- return 1; /* skip disabled resource requests */
+ goto __add;
}
/* TBD: need check for >16 IRQ */
- res->start = find_next_bit(rule->map, PNP_IRQ_NR, 16);
+ res->start = find_next_bit(rule->map.bits, PNP_IRQ_NR, 16);
if (res->start < PNP_IRQ_NR) {
res->end = res->start;
- dev_dbg(&dev->dev, " assign irq %d %d\n", idx,
- (int) res->start);
- return 1;
+ goto __add;
}
for (i = 0; i < 16; i++) {
- if (test_bit(xtab[i], rule->map)) {
+ if (test_bit(xtab[i], rule->map.bits)) {
res->start = res->end = xtab[i];
- if (pnp_check_irq(dev, res)) {
- dev_dbg(&dev->dev, " assign irq %d %d\n", idx,
- (int) res->start);
- return 1;
- }
+ if (pnp_check_irq(dev, res))
+ goto __add;
}
}
+
+ if (rule->flags & IORESOURCE_IRQ_OPTIONAL) {
+ res->start = -1;
+ res->end = -1;
+ res->flags |= IORESOURCE_DISABLED;
+ dev_dbg(&dev->dev, " irq %d disabled (optional)\n", idx);
+ goto __add;
+ }
+
dev_dbg(&dev->dev, " couldn't assign irq %d\n", idx);
+ return -EBUSY;
+
+__add:
+ pnp_add_irq_resource(dev, res->start, res->flags);
return 0;
}
-static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
+static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
{
- struct pnp_resource *pnp_res;
- struct resource *res;
+ struct resource *res, local_res;
int i;
/* DMA priority: this table is good for i386 */
@@ -198,231 +182,99 @@ static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
1, 3, 5, 6, 7, 0, 2, 4
};
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_DMA, idx);
- if (!pnp_res) {
- dev_err(&dev->dev, "too many DMA resources\n");
- return;
- }
-
- res = &pnp_res->res;
-
- /* check if this resource has been manually set, if so skip */
- if (!(res->flags & IORESOURCE_AUTO)) {
+ res = pnp_get_resource(dev, IORESOURCE_DMA, idx);
+ if (res) {
dev_dbg(&dev->dev, " dma %d already set to %d flags %#lx\n",
idx, (int) res->start, res->flags);
- return;
+ return 0;
}
- /* set the initial values */
- pnp_res->index = idx;
- res->flags |= rule->flags | IORESOURCE_DMA;
- res->flags &= ~IORESOURCE_UNSET;
+ res = &local_res;
+ res->flags = rule->flags | IORESOURCE_AUTO;
+ res->start = -1;
+ res->end = -1;
for (i = 0; i < 8; i++) {
if (rule->map & (1 << xtab[i])) {
res->start = res->end = xtab[i];
- if (pnp_check_dma(dev, res)) {
- dev_dbg(&dev->dev, " assign dma %d %d\n", idx,
- (int) res->start);
- return;
- }
+ if (pnp_check_dma(dev, res))
+ goto __add;
}
}
#ifdef MAX_DMA_CHANNELS
res->start = res->end = MAX_DMA_CHANNELS;
#endif
- res->flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
+ res->flags |= IORESOURCE_DISABLED;
dev_dbg(&dev->dev, " disable dma %d\n", idx);
-}
-
-void pnp_init_resource(struct resource *res)
-{
- unsigned long type;
-
- type = res->flags & (IORESOURCE_IO | IORESOURCE_MEM |
- IORESOURCE_IRQ | IORESOURCE_DMA);
- res->name = NULL;
- res->flags = type | IORESOURCE_AUTO | IORESOURCE_UNSET;
- if (type == IORESOURCE_IRQ || type == IORESOURCE_DMA) {
- res->start = -1;
- res->end = -1;
- } else {
- res->start = 0;
- res->end = 0;
- }
+__add:
+ pnp_add_dma_resource(dev, res->start, res->flags);
+ return 0;
}
-/**
- * pnp_init_resources - Resets a resource table to default values.
- * @table: pointer to the desired resource table
- */
void pnp_init_resources(struct pnp_dev *dev)
{
- struct resource *res;
- int idx;
-
- for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
- res = &dev->res->irq[idx].res;
- res->flags = IORESOURCE_IRQ;
- pnp_init_resource(res);
- }
- for (idx = 0; idx < PNP_MAX_DMA; idx++) {
- res = &dev->res->dma[idx].res;
- res->flags = IORESOURCE_DMA;
- pnp_init_resource(res);
- }
- for (idx = 0; idx < PNP_MAX_PORT; idx++) {
- res = &dev->res->port[idx].res;
- res->flags = IORESOURCE_IO;
- pnp_init_resource(res);
- }
- for (idx = 0; idx < PNP_MAX_MEM; idx++) {
- res = &dev->res->mem[idx].res;
- res->flags = IORESOURCE_MEM;
- pnp_init_resource(res);
- }
+ pnp_free_resources(dev);
}
-/**
- * pnp_clean_resources - clears resources that were not manually set
- * @res: the resources to clean
- */
static void pnp_clean_resource_table(struct pnp_dev *dev)
{
- struct resource *res;
- int idx;
-
- for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
- res = &dev->res->irq[idx].res;
- if (res->flags & IORESOURCE_AUTO) {
- res->flags = IORESOURCE_IRQ;
- pnp_init_resource(res);
- }
- }
- for (idx = 0; idx < PNP_MAX_DMA; idx++) {
- res = &dev->res->dma[idx].res;
- if (res->flags & IORESOURCE_AUTO) {
- res->flags = IORESOURCE_DMA;
- pnp_init_resource(res);
- }
- }
- for (idx = 0; idx < PNP_MAX_PORT; idx++) {
- res = &dev->res->port[idx].res;
- if (res->flags & IORESOURCE_AUTO) {
- res->flags = IORESOURCE_IO;
- pnp_init_resource(res);
- }
- }
- for (idx = 0; idx < PNP_MAX_MEM; idx++) {
- res = &dev->res->mem[idx].res;
- if (res->flags & IORESOURCE_AUTO) {
- res->flags = IORESOURCE_MEM;
- pnp_init_resource(res);
- }
+ struct pnp_resource *pnp_res, *tmp;
+
+ list_for_each_entry_safe(pnp_res, tmp, &dev->resources, list) {
+ if (pnp_res->res.flags & IORESOURCE_AUTO)
+ pnp_free_resource(pnp_res);
}
}
/**
* pnp_assign_resources - assigns resources to the device based on the specified dependent number
* @dev: pointer to the desired device
- * @depnum: the dependent function number
- *
- * Only set depnum to 0 if the device does not have dependent options.
+ * @set: the dependent function number
*/
-static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
+static int pnp_assign_resources(struct pnp_dev *dev, int set)
{
- struct pnp_port *port;
- struct pnp_mem *mem;
- struct pnp_irq *irq;
- struct pnp_dma *dma;
+ struct pnp_option *option;
int nport = 0, nmem = 0, nirq = 0, ndma = 0;
+ int ret = 0;
- if (!pnp_can_configure(dev))
- return -ENODEV;
-
- dbg_pnp_show_resources(dev, "before pnp_assign_resources");
+ dev_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);
mutex_lock(&pnp_res_mutex);
pnp_clean_resource_table(dev);
- if (dev->independent) {
- dev_dbg(&dev->dev, "assigning independent options\n");
- port = dev->independent->port;
- mem = dev->independent->mem;
- irq = dev->independent->irq;
- dma = dev->independent->dma;
- while (port) {
- if (!pnp_assign_port(dev, port, nport))
- goto fail;
- nport++;
- port = port->next;
- }
- while (mem) {
- if (!pnp_assign_mem(dev, mem, nmem))
- goto fail;
- nmem++;
- mem = mem->next;
- }
- while (irq) {
- if (!pnp_assign_irq(dev, irq, nirq))
- goto fail;
- nirq++;
- irq = irq->next;
- }
- while (dma) {
- pnp_assign_dma(dev, dma, ndma);
- ndma++;
- dma = dma->next;
- }
- }
- if (depnum) {
- struct pnp_option *dep;
- int i;
-
- dev_dbg(&dev->dev, "assigning dependent option %d\n", depnum);
- for (i = 1, dep = dev->dependent; i < depnum;
- i++, dep = dep->next)
- if (!dep)
- goto fail;
- port = dep->port;
- mem = dep->mem;
- irq = dep->irq;
- dma = dep->dma;
- while (port) {
- if (!pnp_assign_port(dev, port, nport))
- goto fail;
- nport++;
- port = port->next;
- }
- while (mem) {
- if (!pnp_assign_mem(dev, mem, nmem))
- goto fail;
- nmem++;
- mem = mem->next;
- }
- while (irq) {
- if (!pnp_assign_irq(dev, irq, nirq))
- goto fail;
- nirq++;
- irq = irq->next;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) != set)
+ continue;
+
+ switch (option->type) {
+ case IORESOURCE_IO:
+ ret = pnp_assign_port(dev, &option->u.port, nport++);
+ break;
+ case IORESOURCE_MEM:
+ ret = pnp_assign_mem(dev, &option->u.mem, nmem++);
+ break;
+ case IORESOURCE_IRQ:
+ ret = pnp_assign_irq(dev, &option->u.irq, nirq++);
+ break;
+ case IORESOURCE_DMA:
+ ret = pnp_assign_dma(dev, &option->u.dma, ndma++);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
- while (dma) {
- pnp_assign_dma(dev, dma, ndma);
- ndma++;
- dma = dma->next;
- }
- } else if (dev->dependent)
- goto fail;
-
- mutex_unlock(&pnp_res_mutex);
- dbg_pnp_show_resources(dev, "after pnp_assign_resources");
- return 1;
+ if (ret < 0)
+ break;
+ }
-fail:
- pnp_clean_resource_table(dev);
mutex_unlock(&pnp_res_mutex);
- dbg_pnp_show_resources(dev, "after pnp_assign_resources (failed)");
- return 0;
+ if (ret < 0) {
+ dev_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);
+ pnp_clean_resource_table(dev);
+ } else
+ dbg_pnp_show_resources(dev, "pnp_assign_resources succeeded");
+ return ret;
}
/**
@@ -431,29 +283,25 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
*/
int pnp_auto_config_dev(struct pnp_dev *dev)
{
- struct pnp_option *dep;
- int i = 1;
+ int i, ret;
if (!pnp_can_configure(dev)) {
dev_dbg(&dev->dev, "configuration not supported\n");
return -ENODEV;
}
- if (!dev->dependent) {
- if (pnp_assign_resources(dev, 0))
+ ret = pnp_assign_resources(dev, 0);
+ if (ret == 0)
+ return 0;
+
+ for (i = 1; i < dev->num_dependent_sets; i++) {
+ ret = pnp_assign_resources(dev, i);
+ if (ret == 0)
return 0;
- } else {
- dep = dev->dependent;
- do {
- if (pnp_assign_resources(dev, i))
- return 0;
- dep = dep->next;
- i++;
- } while (dep);
}
dev_err(&dev->dev, "unable to assign resources\n");
- return -EBUSY;
+ return ret;
}
/**
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 50902773beaf9092fd0a241d535835a8839c843b..c1b9ea34977b395c400fcd522ecd41f06fadbd21 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -117,9 +117,7 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
{
int power_state;
- power_state = acpi_pm_device_sleep_state(&dev->dev,
- device_may_wakeup(&dev->dev),
- NULL);
+ power_state = acpi_pm_device_sleep_state(&dev->dev, NULL);
if (power_state < 0)
power_state = (state.event == PM_EVENT_ON) ?
ACPI_STATE_D0 : ACPI_STATE_D3;
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 46c791adb8947dbf4e12005199f9a7179e35e8d6..d7e9f2152df0913305495ee7c7c25f36cdbb9f18 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -3,6 +3,8 @@
*
* Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr>
* Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -98,8 +100,10 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
int irq, flags;
int p, t;
- if (!valid_IRQ(gsi))
+ if (!valid_IRQ(gsi)) {
+ pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED);
return;
+ }
/*
* in IO-APIC mode, use overrided attribute. Two reasons:
@@ -178,13 +182,68 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
u64 end = start + len - 1;
if (io_decode == ACPI_DECODE_16)
- flags |= PNP_PORT_FLAG_16BITADDR;
+ flags |= IORESOURCE_IO_16BIT_ADDR;
if (len == 0 || end >= 0x10003)
flags |= IORESOURCE_DISABLED;
pnp_add_io_resource(dev, start, end, flags);
}
+/*
+ * Device CSRs that do not appear in PCI config space should be described
+ * via ACPI. This would normally be done with Address Space Descriptors
+ * marked as "consumer-only," but old versions of Windows and Linux ignore
+ * the producer/consumer flag, so HP invented a vendor-defined resource to
+ * describe the location and size of CSR space.
+ */
+static struct acpi_vendor_uuid hp_ccsr_uuid = {
+ .subtype = 2,
+ .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a,
+ 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad },
+};
+
+static int vendor_resource_matches(struct pnp_dev *dev,
+ struct acpi_resource_vendor_typed *vendor,
+ struct acpi_vendor_uuid *match,
+ int expected_len)
+{
+ int uuid_len = sizeof(vendor->uuid);
+ u8 uuid_subtype = vendor->uuid_subtype;
+ u8 *uuid = vendor->uuid;
+ int actual_len;
+
+ /* byte_length includes uuid_subtype and uuid */
+ actual_len = vendor->byte_length - uuid_len - 1;
+
+ if (uuid_subtype == match->subtype &&
+ uuid_len == sizeof(match->data) &&
+ memcmp(uuid, match->data, uuid_len) == 0) {
+ if (expected_len && expected_len != actual_len) {
+ dev_err(&dev->dev, "wrong vendor descriptor size; "
+ "expected %d, found %d bytes\n",
+ expected_len, actual_len);
+ return 0;
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
+ struct acpi_resource_vendor_typed *vendor)
+{
+ if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
+ u64 start, length;
+
+ memcpy(&start, vendor->byte_data, sizeof(start));
+ memcpy(&length, vendor->byte_data + 8, sizeof(length));
+
+ pnp_add_mem_resource(dev, start, start + length - 1, 0);
+ }
+}
+
static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
u64 start, u64 len,
int write_protect)
@@ -235,6 +294,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
struct acpi_resource_dma *dma;
struct acpi_resource_io *io;
struct acpi_resource_fixed_io *fixed_io;
+ struct acpi_resource_vendor_typed *vendor_typed;
struct acpi_resource_memory24 *memory24;
struct acpi_resource_memory32 *memory32;
struct acpi_resource_fixed_memory32 *fixed_memory32;
@@ -248,24 +308,39 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
* _CRS, but some firmware violates this, so parse them all.
*/
irq = &res->data.irq;
- for (i = 0; i < irq->interrupt_count; i++) {
- pnpacpi_parse_allocated_irqresource(dev,
- irq->interrupts[i],
- irq->triggering,
- irq->polarity,
- irq->sharable);
+ if (irq->interrupt_count == 0)
+ pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
+ else {
+ for (i = 0; i < irq->interrupt_count; i++) {
+ pnpacpi_parse_allocated_irqresource(dev,
+ irq->interrupts[i],
+ irq->triggering,
+ irq->polarity,
+ irq->sharable);
+ }
+
+ /*
+ * The IRQ encoder puts a single interrupt in each
+ * descriptor, so if a _CRS descriptor has more than
+ * one interrupt, we won't be able to re-encode it.
+ */
+ if (pnp_can_write(dev) && irq->interrupt_count > 1) {
+ dev_warn(&dev->dev, "multiple interrupts in "
+ "_CRS descriptor; configuration can't "
+ "be changed\n");
+ dev->capabilities &= ~PNP_WRITE;
+ }
}
break;
case ACPI_RESOURCE_TYPE_DMA:
dma = &res->data.dma;
- if (dma->channel_count > 0) {
+ if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
flags = dma_flags(dma->type, dma->bus_master,
dma->transfer);
- if (dma->channels[0] == (u8) -1)
- flags |= IORESOURCE_DISABLED;
- pnp_add_dma_resource(dev, dma->channels[0], flags);
- }
+ else
+ flags = IORESOURCE_DISABLED;
+ pnp_add_dma_resource(dev, dma->channels[0], flags);
break;
case ACPI_RESOURCE_TYPE_IO:
@@ -289,6 +364,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_VENDOR:
+ vendor_typed = &res->data.vendor_typed;
+ pnpacpi_parse_allocated_vendor(dev, vendor_typed);
break;
case ACPI_RESOURCE_TYPE_END_TAG:
@@ -331,12 +408,29 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
if (extended_irq->producer_consumer == ACPI_PRODUCER)
return AE_OK;
- for (i = 0; i < extended_irq->interrupt_count; i++) {
- pnpacpi_parse_allocated_irqresource(dev,
- extended_irq->interrupts[i],
- extended_irq->triggering,
- extended_irq->polarity,
- extended_irq->sharable);
+ if (extended_irq->interrupt_count == 0)
+ pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
+ else {
+ for (i = 0; i < extended_irq->interrupt_count; i++) {
+ pnpacpi_parse_allocated_irqresource(dev,
+ extended_irq->interrupts[i],
+ extended_irq->triggering,
+ extended_irq->polarity,
+ extended_irq->sharable);
+ }
+
+ /*
+ * The IRQ encoder puts a single interrupt in each
+ * descriptor, so if a _CRS descriptor has more than
+ * one interrupt, we won't be able to re-encode it.
+ */
+ if (pnp_can_write(dev) &&
+ extended_irq->interrupt_count > 1) {
+ dev_warn(&dev->dev, "multiple interrupts in "
+ "_CRS descriptor; configuration can't "
+ "be changed\n");
+ dev->capabilities &= ~PNP_WRITE;
+ }
}
break;
@@ -373,179 +467,147 @@ int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
}
static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_dma *p)
{
int i;
- struct pnp_dma *dma;
+ unsigned char map = 0, flags;
if (p->channel_count == 0)
return;
- dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
- if (!dma)
- return;
for (i = 0; i < p->channel_count; i++)
- dma->map |= 1 << p->channels[i];
-
- dma->flags = dma_flags(p->type, p->bus_master, p->transfer);
+ map |= 1 << p->channels[i];
- pnp_register_dma_resource(dev, option, dma);
+ flags = dma_flags(p->type, p->bus_master, p->transfer);
+ pnp_register_dma_resource(dev, option_flags, map, flags);
}
static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_irq *p)
{
int i;
- struct pnp_irq *irq;
+ pnp_irq_mask_t map;
+ unsigned char flags;
if (p->interrupt_count == 0)
return;
- irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
- return;
+ bitmap_zero(map.bits, PNP_IRQ_NR);
for (i = 0; i < p->interrupt_count; i++)
if (p->interrupts[i])
- __set_bit(p->interrupts[i], irq->map);
- irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ __set_bit(p->interrupts[i], map.bits);
- pnp_register_irq_resource(dev, option, irq);
+ flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_extended_irq *p)
{
int i;
- struct pnp_irq *irq;
+ pnp_irq_mask_t map;
+ unsigned char flags;
if (p->interrupt_count == 0)
return;
- irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
- return;
- for (i = 0; i < p->interrupt_count; i++)
- if (p->interrupts[i])
- __set_bit(p->interrupts[i], irq->map);
- irq->flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ for (i = 0; i < p->interrupt_count; i++) {
+ if (p->interrupts[i]) {
+ if (p->interrupts[i] < PNP_IRQ_NR)
+ __set_bit(p->interrupts[i], map.bits);
+ else
+ dev_err(&dev->dev, "ignoring IRQ %d option "
+ "(too large for %d entry bitmap)\n",
+ p->interrupts[i], PNP_IRQ_NR);
+ }
+ }
- pnp_register_irq_resource(dev, option, irq);
+ flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_io *io)
{
- struct pnp_port *port;
+ unsigned char flags = 0;
if (io->address_length == 0)
return;
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = io->minimum;
- port->max = io->maximum;
- port->align = io->alignment;
- port->size = io->address_length;
- port->flags = ACPI_DECODE_16 == io->io_decode ?
- PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(dev, option, port);
+
+ if (io->io_decode == ACPI_DECODE_16)
+ flags = IORESOURCE_IO_16BIT_ADDR;
+ pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
+ io->alignment, io->address_length, flags);
}
static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_fixed_io *io)
{
- struct pnp_port *port;
-
if (io->address_length == 0)
return;
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = port->max = io->address;
- port->size = io->address_length;
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(dev, option, port);
+
+ pnp_register_port_resource(dev, option_flags, io->address, io->address,
+ 0, io->address_length, IORESOURCE_IO_FIXED);
}
static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_memory24 *p)
{
- struct pnp_mem *mem;
+ unsigned char flags = 0;
if (p->address_length == 0)
return;
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = p->minimum;
- mem->max = p->maximum;
- mem->align = p->alignment;
- mem->size = p->address_length;
-
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
- IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(dev, option, mem);
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
+ p->alignment, p->address_length, flags);
}
static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_memory32 *p)
{
- struct pnp_mem *mem;
+ unsigned char flags = 0;
if (p->address_length == 0)
return;
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = p->minimum;
- mem->max = p->maximum;
- mem->align = p->alignment;
- mem->size = p->address_length;
-
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
- IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(dev, option, mem);
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
+ p->alignment, p->address_length, flags);
}
static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource_fixed_memory32 *p)
{
- struct pnp_mem *mem;
+ unsigned char flags = 0;
if (p->address_length == 0)
return;
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = mem->max = p->address;
- mem->size = p->address_length;
- mem->align = 0;
-
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ?
- IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(dev, option, mem);
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->address, p->address,
+ 0, p->address_length, flags);
}
static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
- struct pnp_option *option,
+ unsigned int option_flags,
struct acpi_resource *r)
{
struct acpi_resource_address64 addr, *p = &addr;
acpi_status status;
- struct pnp_mem *mem;
- struct pnp_port *port;
+ unsigned char flags = 0;
status = acpi_resource_to_address64(r, p);
if (!ACPI_SUCCESS(status)) {
@@ -558,49 +620,37 @@ static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
return;
if (p->resource_type == ACPI_MEMORY_RANGE) {
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = mem->max = p->minimum;
- mem->size = p->address_length;
- mem->align = 0;
- mem->flags = (p->info.mem.write_protect ==
- ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE
- : 0;
- pnp_register_mem_resource(dev, option, mem);
- } else if (p->resource_type == ACPI_IO_RANGE) {
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = port->max = p->minimum;
- port->size = p->address_length;
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(dev, option, port);
- }
+ if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ flags);
+ } else if (p->resource_type == ACPI_IO_RANGE)
+ pnp_register_port_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ IORESOURCE_IO_FIXED);
}
struct acpipnp_parse_option_s {
- struct pnp_option *option;
- struct pnp_option *option_independent;
struct pnp_dev *dev;
+ unsigned int option_flags;
};
static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
void *data)
{
- int priority = 0;
+ int priority;
struct acpipnp_parse_option_s *parse_data = data;
struct pnp_dev *dev = parse_data->dev;
- struct pnp_option *option = parse_data->option;
+ unsigned int option_flags = parse_data->option_flags;
switch (res->type) {
case ACPI_RESOURCE_TYPE_IRQ:
- pnpacpi_parse_irq_option(dev, option, &res->data.irq);
+ pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
break;
case ACPI_RESOURCE_TYPE_DMA:
- pnpacpi_parse_dma_option(dev, option, &res->data.dma);
+ pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
break;
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -620,31 +670,19 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
priority = PNP_RES_PRIORITY_INVALID;
break;
}
- /* TBD: Consider performance/robustness bits */
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return AE_ERROR;
- parse_data->option = option;
+ parse_data->option_flags = pnp_new_dependent_set(dev, priority);
break;
case ACPI_RESOURCE_TYPE_END_DEPENDENT:
- /*only one EndDependentFn is allowed */
- if (!parse_data->option_independent) {
- dev_warn(&dev->dev, "more than one EndDependentFn "
- "in _PRS\n");
- return AE_ERROR;
- }
- parse_data->option = parse_data->option_independent;
- parse_data->option_independent = NULL;
- dev_dbg(&dev->dev, "end dependent options\n");
+ parse_data->option_flags = 0;
break;
case ACPI_RESOURCE_TYPE_IO:
- pnpacpi_parse_port_option(dev, option, &res->data.io);
+ pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
- pnpacpi_parse_fixed_port_option(dev, option,
+ pnpacpi_parse_fixed_port_option(dev, option_flags,
&res->data.fixed_io);
break;
@@ -653,29 +691,31 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
- pnpacpi_parse_mem24_option(dev, option, &res->data.memory24);
+ pnpacpi_parse_mem24_option(dev, option_flags,
+ &res->data.memory24);
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
- pnpacpi_parse_mem32_option(dev, option, &res->data.memory32);
+ pnpacpi_parse_mem32_option(dev, option_flags,
+ &res->data.memory32);
break;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
- pnpacpi_parse_fixed_mem32_option(dev, option,
+ pnpacpi_parse_fixed_mem32_option(dev, option_flags,
&res->data.fixed_memory32);
break;
case ACPI_RESOURCE_TYPE_ADDRESS16:
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
- pnpacpi_parse_address_option(dev, option, res);
+ pnpacpi_parse_address_option(dev, option_flags, res);
break;
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- pnpacpi_parse_ext_irq_option(dev, option,
+ pnpacpi_parse_ext_irq_option(dev, option_flags,
&res->data.extended_irq);
break;
@@ -699,12 +739,9 @@ int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
dev_dbg(&dev->dev, "parse resource options\n");
- parse_data.option = pnp_register_independent_option(dev);
- if (!parse_data.option)
- return -ENOMEM;
-
- parse_data.option_independent = parse_data.option;
parse_data.dev = dev;
+ parse_data.option_flags = 0;
+
status = acpi_walk_resources(handle, METHOD_NAME__PRS,
pnpacpi_option_resource, &parse_data);
@@ -806,6 +843,13 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev,
struct acpi_resource_irq *irq = &resource->data.irq;
int triggering, polarity, shareable;
+ if (!pnp_resource_enabled(p)) {
+ irq->interrupt_count = 0;
+ dev_dbg(&dev->dev, " encode irq (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
irq->triggering = triggering;
irq->polarity = polarity;
@@ -828,6 +872,13 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
int triggering, polarity, shareable;
+ if (!pnp_resource_enabled(p)) {
+ extended_irq->interrupt_count = 0;
+ dev_dbg(&dev->dev, " encode extended irq (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
extended_irq->producer_consumer = ACPI_CONSUMER;
extended_irq->triggering = triggering;
@@ -848,6 +899,13 @@ static void pnpacpi_encode_dma(struct pnp_dev *dev,
{
struct acpi_resource_dma *dma = &resource->data.dma;
+ if (!pnp_resource_enabled(p)) {
+ dma->channel_count = 0;
+ dev_dbg(&dev->dev, " encode dma (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
/* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
case IORESOURCE_DMA_TYPEA:
@@ -889,17 +947,21 @@ static void pnpacpi_encode_io(struct pnp_dev *dev,
{
struct acpi_resource_io *io = &resource->data.io;
- /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
- io->io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR) ?
- ACPI_DECODE_16 : ACPI_DECODE_10;
- io->minimum = p->start;
- io->maximum = p->end;
- io->alignment = 0; /* Correct? */
- io->address_length = p->end - p->start + 1;
-
- dev_dbg(&dev->dev, " encode io %#llx-%#llx decode %#x\n",
- (unsigned long long) p->start, (unsigned long long) p->end,
- io->io_decode);
+ if (pnp_resource_enabled(p)) {
+ /* Note: pnp_assign_port copies pnp_port->flags into p->flags */
+ io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ?
+ ACPI_DECODE_16 : ACPI_DECODE_10;
+ io->minimum = p->start;
+ io->maximum = p->end;
+ io->alignment = 0; /* Correct? */
+ io->address_length = p->end - p->start + 1;
+ } else {
+ io->minimum = 0;
+ io->address_length = 0;
+ }
+
+ dev_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum,
+ io->minimum + io->address_length - 1, io->io_decode);
}
static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
@@ -908,11 +970,16 @@ static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
{
struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
- fixed_io->address = p->start;
- fixed_io->address_length = p->end - p->start + 1;
+ if (pnp_resource_enabled(p)) {
+ fixed_io->address = p->start;
+ fixed_io->address_length = p->end - p->start + 1;
+ } else {
+ fixed_io->address = 0;
+ fixed_io->address_length = 0;
+ }
- dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n",
- (unsigned long long) p->start, (unsigned long long) p->end);
+ dev_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address,
+ fixed_io->address + fixed_io->address_length - 1);
}
static void pnpacpi_encode_mem24(struct pnp_dev *dev,
@@ -921,17 +988,22 @@ static void pnpacpi_encode_mem24(struct pnp_dev *dev,
{
struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
- /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
- memory24->write_protect =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- memory24->minimum = p->start;
- memory24->maximum = p->end;
- memory24->alignment = 0;
- memory24->address_length = p->end - p->start + 1;
-
- dev_dbg(&dev->dev, " encode mem24 %#llx-%#llx write_protect %#x\n",
- (unsigned long long) p->start, (unsigned long long) p->end,
+ if (pnp_resource_enabled(p)) {
+ /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */
+ memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ memory24->minimum = p->start;
+ memory24->maximum = p->end;
+ memory24->alignment = 0;
+ memory24->address_length = p->end - p->start + 1;
+ } else {
+ memory24->minimum = 0;
+ memory24->address_length = 0;
+ }
+
+ dev_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n",
+ memory24->minimum,
+ memory24->minimum + memory24->address_length - 1,
memory24->write_protect);
}
@@ -941,16 +1013,21 @@ static void pnpacpi_encode_mem32(struct pnp_dev *dev,
{
struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
- memory32->write_protect =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- memory32->minimum = p->start;
- memory32->maximum = p->end;
- memory32->alignment = 0;
- memory32->address_length = p->end - p->start + 1;
+ if (pnp_resource_enabled(p)) {
+ memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ memory32->minimum = p->start;
+ memory32->maximum = p->end;
+ memory32->alignment = 0;
+ memory32->address_length = p->end - p->start + 1;
+ } else {
+ memory32->minimum = 0;
+ memory32->alignment = 0;
+ }
- dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx write_protect %#x\n",
- (unsigned long long) p->start, (unsigned long long) p->end,
+ dev_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n",
+ memory32->minimum,
+ memory32->minimum + memory32->address_length - 1,
memory32->write_protect);
}
@@ -960,15 +1037,20 @@ static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
{
struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
- fixed_memory32->write_protect =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- fixed_memory32->address = p->start;
- fixed_memory32->address_length = p->end - p->start + 1;
+ if (pnp_resource_enabled(p)) {
+ fixed_memory32->write_protect =
+ p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ fixed_memory32->address = p->start;
+ fixed_memory32->address_length = p->end - p->start + 1;
+ } else {
+ fixed_memory32->address = 0;
+ fixed_memory32->address_length = 0;
+ }
- dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx "
- "write_protect %#x\n",
- (unsigned long long) p->start, (unsigned long long) p->end,
+ dev_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n",
+ fixed_memory32->address,
+ fixed_memory32->address + fixed_memory32->address_length - 1,
fixed_memory32->write_protect);
}
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index 5ff9a4c0447ec8052e0de9a433255051826e1298..ca567671379e73985863538650f37609b360fc32 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -216,137 +216,116 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev,
static __init void pnpbios_parse_mem_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_mem *mem;
-
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = ((p[5] << 8) | p[4]) << 8;
- mem->max = ((p[7] << 8) | p[6]) << 8;
- mem->align = (p[9] << 8) | p[8];
- mem->size = ((p[11] << 8) | p[10]) << 8;
- mem->flags = p[3];
- pnp_register_mem_resource(dev, option, mem);
+ resource_size_t min, max, align, len;
+ unsigned char flags;
+
+ min = ((p[5] << 8) | p[4]) << 8;
+ max = ((p[7] << 8) | p[6]) << 8;
+ align = (p[9] << 8) | p[8];
+ len = ((p[11] << 8) | p[10]) << 8;
+ flags = p[3];
+ pnp_register_mem_resource(dev, option_flags, min, max, align, len,
+ flags);
}
static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_mem *mem;
-
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
- mem->max = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
- mem->align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12];
- mem->size = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16];
- mem->flags = p[3];
- pnp_register_mem_resource(dev, option, mem);
+ resource_size_t min, max, align, len;
+ unsigned char flags;
+
+ min = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
+ max = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
+ align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12];
+ len = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16];
+ flags = p[3];
+ pnp_register_mem_resource(dev, option_flags, min, max, align, len,
+ flags);
}
static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_mem *mem;
-
- mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
- return;
- mem->min = mem->max = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
- mem->size = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
- mem->align = 0;
- mem->flags = p[3];
- pnp_register_mem_resource(dev, option, mem);
+ resource_size_t base, len;
+ unsigned char flags;
+
+ base = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
+ len = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
+ flags = p[3];
+ pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags);
}
static __init void pnpbios_parse_irq_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_irq *irq;
unsigned long bits;
+ pnp_irq_mask_t map;
+ unsigned char flags = IORESOURCE_IRQ_HIGHEDGE;
- irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
- return;
bits = (p[2] << 8) | p[1];
- bitmap_copy(irq->map, &bits, 16);
+
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ bitmap_copy(map.bits, &bits, 16);
+
if (size > 2)
- irq->flags = p[3];
- else
- irq->flags = IORESOURCE_IRQ_HIGHEDGE;
- pnp_register_irq_resource(dev, option, irq);
+ flags = p[3];
+
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
static __init void pnpbios_parse_dma_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_dma *dma;
-
- dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL);
- if (!dma)
- return;
- dma->map = p[1];
- dma->flags = p[2];
- pnp_register_dma_resource(dev, option, dma);
+ pnp_register_dma_resource(dev, option_flags, p[1], p[2]);
}
static __init void pnpbios_parse_port_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_port *port;
-
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = (p[3] << 8) | p[2];
- port->max = (p[5] << 8) | p[4];
- port->align = p[6];
- port->size = p[7];
- port->flags = p[1] ? PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(dev, option, port);
+ resource_size_t min, max, align, len;
+ unsigned char flags;
+
+ min = (p[3] << 8) | p[2];
+ max = (p[5] << 8) | p[4];
+ align = p[6];
+ len = p[7];
+ flags = p[1] ? IORESOURCE_IO_16BIT_ADDR : 0;
+ pnp_register_port_resource(dev, option_flags, min, max, align, len,
+ flags);
}
static __init void pnpbios_parse_fixed_port_option(struct pnp_dev *dev,
unsigned char *p, int size,
- struct pnp_option *option)
+ unsigned int option_flags)
{
- struct pnp_port *port;
-
- port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
- return;
- port->min = port->max = (p[2] << 8) | p[1];
- port->size = p[3];
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(dev, option, port);
+ resource_size_t base, len;
+
+ base = (p[2] << 8) | p[1];
+ len = p[3];
+ pnp_register_port_resource(dev, option_flags, base, base, 0, len,
+ IORESOURCE_IO_FIXED);
}
static __init unsigned char *
pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
- struct pnp_dev *dev)
+ struct pnp_dev *dev)
{
unsigned int len, tag;
- int priority = 0;
- struct pnp_option *option, *option_independent;
+ int priority;
+ unsigned int option_flags;
if (!p)
return NULL;
dev_dbg(&dev->dev, "parse resource options\n");
-
- option_independent = option = pnp_register_independent_option(dev);
- if (!option)
- return NULL;
-
+ option_flags = 0;
while ((char *)p < (char *)end) {
/* determine the type of tag */
@@ -363,37 +342,38 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
case LARGE_TAG_MEM:
if (len != 9)
goto len_err;
- pnpbios_parse_mem_option(dev, p, len, option);
+ pnpbios_parse_mem_option(dev, p, len, option_flags);
break;
case LARGE_TAG_MEM32:
if (len != 17)
goto len_err;
- pnpbios_parse_mem32_option(dev, p, len, option);
+ pnpbios_parse_mem32_option(dev, p, len, option_flags);
break;
case LARGE_TAG_FIXEDMEM32:
if (len != 9)
goto len_err;
- pnpbios_parse_fixed_mem32_option(dev, p, len, option);
+ pnpbios_parse_fixed_mem32_option(dev, p, len,
+ option_flags);
break;
case SMALL_TAG_IRQ:
if (len < 2 || len > 3)
goto len_err;
- pnpbios_parse_irq_option(dev, p, len, option);
+ pnpbios_parse_irq_option(dev, p, len, option_flags);
break;
case SMALL_TAG_DMA:
if (len != 2)
goto len_err;
- pnpbios_parse_dma_option(dev, p, len, option);
+ pnpbios_parse_dma_option(dev, p, len, option_flags);
break;
case SMALL_TAG_PORT:
if (len != 7)
goto len_err;
- pnpbios_parse_port_option(dev, p, len, option);
+ pnpbios_parse_port_option(dev, p, len, option_flags);
break;
case SMALL_TAG_VENDOR:
@@ -403,28 +383,23 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
case SMALL_TAG_FIXEDPORT:
if (len != 3)
goto len_err;
- pnpbios_parse_fixed_port_option(dev, p, len, option);
+ pnpbios_parse_fixed_port_option(dev, p, len,
+ option_flags);
break;
case SMALL_TAG_STARTDEP:
if (len > 1)
goto len_err;
- priority = 0x100 | PNP_RES_PRIORITY_ACCEPTABLE;
+ priority = PNP_RES_PRIORITY_ACCEPTABLE;
if (len > 0)
- priority = 0x100 | p[1];
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return NULL;
+ priority = p[1];
+ option_flags = pnp_new_dependent_set(dev, priority);
break;
case SMALL_TAG_ENDDEP:
if (len != 0)
goto len_err;
- if (option_independent == option)
- dev_warn(&dev->dev, "missing "
- "SMALL_TAG_STARTDEP tag\n");
- option = option_independent;
- dev_dbg(&dev->dev, "end dependent options\n");
+ option_flags = 0;
break;
case SMALL_TAG_END:
@@ -526,8 +501,16 @@ static unsigned char *pnpbios_parse_compatible_ids(unsigned char *p,
static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long base;
+ unsigned long len;
+
+ if (pnp_resource_enabled(res)) {
+ base = res->start;
+ len = res->end - res->start + 1;
+ } else {
+ base = 0;
+ len = 0;
+ }
p[4] = (base >> 8) & 0xff;
p[5] = ((base >> 8) >> 8) & 0xff;
@@ -536,15 +519,22 @@ static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p,
p[10] = (len >> 8) & 0xff;
p[11] = ((len >> 8) >> 8) & 0xff;
- dev_dbg(&dev->dev, " encode mem %#llx-%#llx\n",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_dbg(&dev->dev, " encode mem %#lx-%#lx\n", base, base + len - 1);
}
static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long base;
+ unsigned long len;
+
+ if (pnp_resource_enabled(res)) {
+ base = res->start;
+ len = res->end - res->start + 1;
+ } else {
+ base = 0;
+ len = 0;
+ }
p[4] = base & 0xff;
p[5] = (base >> 8) & 0xff;
@@ -559,15 +549,22 @@ static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,
p[18] = (len >> 16) & 0xff;
p[19] = (len >> 24) & 0xff;
- dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx\n",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_dbg(&dev->dev, " encode mem32 %#lx-%#lx\n", base, base + len - 1);
}
static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long base;
+ unsigned long len;
+
+ if (pnp_resource_enabled(res)) {
+ base = res->start;
+ len = res->end - res->start + 1;
+ } else {
+ base = 0;
+ len = 0;
+ }
p[4] = base & 0xff;
p[5] = (base >> 8) & 0xff;
@@ -578,40 +575,54 @@ static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,
p[10] = (len >> 16) & 0xff;
p[11] = (len >> 24) & 0xff;
- dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx\n",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_dbg(&dev->dev, " encode fixed_mem32 %#lx-%#lx\n", base,
+ base + len - 1);
}
static void pnpbios_encode_irq(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long map = 0;
+ unsigned long map;
+
+ if (pnp_resource_enabled(res))
+ map = 1 << res->start;
+ else
+ map = 0;
- map = 1 << res->start;
p[1] = map & 0xff;
p[2] = (map >> 8) & 0xff;
- dev_dbg(&dev->dev, " encode irq %llu\n",
- (unsigned long long)res->start);
+ dev_dbg(&dev->dev, " encode irq mask %#lx\n", map);
}
static void pnpbios_encode_dma(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long map = 0;
+ unsigned long map;
+
+ if (pnp_resource_enabled(res))
+ map = 1 << res->start;
+ else
+ map = 0;
- map = 1 << res->start;
p[1] = map & 0xff;
- dev_dbg(&dev->dev, " encode dma %llu\n",
- (unsigned long long)res->start);
+ dev_dbg(&dev->dev, " encode dma mask %#lx\n", map);
}
static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
- unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long base;
+ unsigned long len;
+
+ if (pnp_resource_enabled(res)) {
+ base = res->start;
+ len = res->end - res->start + 1;
+ } else {
+ base = 0;
+ len = 0;
+ }
p[2] = base & 0xff;
p[3] = (base >> 8) & 0xff;
@@ -619,8 +630,7 @@ static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,
p[5] = (base >> 8) & 0xff;
p[7] = len & 0xff;
- dev_dbg(&dev->dev, " encode io %#llx-%#llx\n",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_dbg(&dev->dev, " encode io %#lx-%#lx\n", base, base + len - 1);
}
static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
@@ -629,12 +639,20 @@ static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
unsigned long base = res->start;
unsigned long len = res->end - res->start + 1;
+ if (pnp_resource_enabled(res)) {
+ base = res->start;
+ len = res->end - res->start + 1;
+ } else {
+ base = 0;
+ len = 0;
+ }
+
p[1] = base & 0xff;
p[2] = (base >> 8) & 0xff;
p[3] = len & 0xff;
- dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_dbg(&dev->dev, " encode fixed_io %#lx-%#lx\n", base,
+ base + len - 1);
}
static unsigned char *pnpbios_encode_allocated_resource_data(struct pnp_dev
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 1ff3bb585ab2b0b5f0bb88f8477fe334c26c726a..55f55ed72dc7a69019d9c948c35c827d918955bd 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -5,6 +5,8 @@
* when building up the resource structure for the first time.
*
* Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*
* Heavily based on PCI quirks handling which is
*
@@ -20,203 +22,207 @@
#include <linux/kallsyms.h>
#include "base.h"
+static void quirk_awe32_add_ports(struct pnp_dev *dev,
+ struct pnp_option *option,
+ unsigned int offset)
+{
+ struct pnp_option *new_option;
+
+ new_option = kmalloc(sizeof(struct pnp_option), GFP_KERNEL);
+ if (!new_option) {
+ dev_err(&dev->dev, "couldn't add ioport region to option set "
+ "%d\n", pnp_option_set(option));
+ return;
+ }
+
+ *new_option = *option;
+ new_option->u.port.min += offset;
+ new_option->u.port.max += offset;
+ list_add(&new_option->list, &option->list);
+
+ dev_info(&dev->dev, "added ioport region %#llx-%#llx to set %d\n",
+ (unsigned long long) new_option->u.port.min,
+ (unsigned long long) new_option->u.port.max,
+ pnp_option_set(option));
+}
+
static void quirk_awe32_resources(struct pnp_dev *dev)
{
- struct pnp_port *port, *port2, *port3;
- struct pnp_option *res = dev->dependent;
+ struct pnp_option *option;
+ unsigned int set = ~0;
/*
- * Unfortunately the isapnp_add_port_resource is too tightly bound
- * into the PnP discovery sequence, and cannot be used. Link in the
- * two extra ports (at offset 0x400 and 0x800 from the one given) by
- * hand.
+ * Add two extra ioport regions (at offset 0x400 and 0x800 from the
+ * one given) to every dependent option set.
*/
- for (; res; res = res->next) {
- port2 = pnp_alloc(sizeof(struct pnp_port));
- if (!port2)
- return;
- port3 = pnp_alloc(sizeof(struct pnp_port));
- if (!port3) {
- kfree(port2);
- return;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) != set) {
+ set = pnp_option_set(option);
+ quirk_awe32_add_ports(dev, option, 0x800);
+ quirk_awe32_add_ports(dev, option, 0x400);
}
- port = res->port;
- memcpy(port2, port, sizeof(struct pnp_port));
- memcpy(port3, port, sizeof(struct pnp_port));
- port->next = port2;
- port2->next = port3;
- port2->min += 0x400;
- port2->max += 0x400;
- port3->min += 0x800;
- port3->max += 0x800;
- dev_info(&dev->dev,
- "AWE32 quirk - added ioports 0x%lx and 0x%lx\n",
- (unsigned long)port2->min,
- (unsigned long)port3->min);
}
}
static void quirk_cmi8330_resources(struct pnp_dev *dev)
{
- struct pnp_option *res = dev->dependent;
- unsigned long tmp;
-
- for (; res; res = res->next) {
-
- struct pnp_irq *irq;
- struct pnp_dma *dma;
+ struct pnp_option *option;
+ struct pnp_irq *irq;
+ struct pnp_dma *dma;
- for (irq = res->irq; irq; irq = irq->next) { // Valid irqs are 5, 7, 10
- tmp = 0x04A0;
- bitmap_copy(irq->map, &tmp, 16); // 0000 0100 1010 0000
- }
+ list_for_each_entry(option, &dev->options, list) {
+ if (!pnp_option_is_dependent(option))
+ continue;
- for (dma = res->dma; dma; dma = dma->next) // Valid 8bit dma channels are 1,3
+ if (option->type == IORESOURCE_IRQ) {
+ irq = &option->u.irq;
+ bitmap_zero(irq->map.bits, PNP_IRQ_NR);
+ __set_bit(5, irq->map.bits);
+ __set_bit(7, irq->map.bits);
+ __set_bit(10, irq->map.bits);
+ dev_info(&dev->dev, "set possible IRQs in "
+ "option set %d to 5, 7, 10\n",
+ pnp_option_set(option));
+ } else if (option->type == IORESOURCE_DMA) {
+ dma = &option->u.dma;
if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) ==
- IORESOURCE_DMA_8BIT)
- dma->map = 0x000A;
+ IORESOURCE_DMA_8BIT &&
+ dma->map != 0x0A) {
+ dev_info(&dev->dev, "changing possible "
+ "DMA channel mask in option set %d "
+ "from %#02x to 0x0A (1, 3)\n",
+ pnp_option_set(option), dma->map);
+ dma->map = 0x0A;
+ }
+ }
}
- dev_info(&dev->dev, "CMI8330 quirk - forced possible IRQs to 5, 7, 10 "
- "and DMA channels to 1, 3\n");
}
static void quirk_sb16audio_resources(struct pnp_dev *dev)
{
+ struct pnp_option *option;
+ unsigned int prev_option_flags = ~0, n = 0;
struct pnp_port *port;
- struct pnp_option *res = dev->dependent;
- int changed = 0;
/*
- * The default range on the mpu port for these devices is 0x388-0x388.
+ * The default range on the OPL port for these devices is 0x388-0x388.
* Here we increase that range so that two such cards can be
* auto-configured.
*/
+ list_for_each_entry(option, &dev->options, list) {
+ if (prev_option_flags != option->flags) {
+ prev_option_flags = option->flags;
+ n = 0;
+ }
- for (; res; res = res->next) {
- port = res->port;
- if (!port)
- continue;
- port = port->next;
- if (!port)
- continue;
- port = port->next;
- if (!port)
- continue;
- if (port->min != port->max)
- continue;
- port->max += 0x70;
- changed = 1;
+ if (pnp_option_is_dependent(option) &&
+ option->type == IORESOURCE_IO) {
+ n++;
+ port = &option->u.port;
+ if (n == 3 && port->min == port->max) {
+ port->max += 0x70;
+ dev_info(&dev->dev, "increased option port "
+ "range from %#llx-%#llx to "
+ "%#llx-%#llx\n",
+ (unsigned long long) port->min,
+ (unsigned long long) port->min,
+ (unsigned long long) port->min,
+ (unsigned long long) port->max);
+ }
+ }
}
- if (changed)
- dev_info(&dev->dev, "SB audio device quirk - increased port range\n");
}
-static struct pnp_option *quirk_isapnp_mpu_options(struct pnp_dev *dev)
+static struct pnp_option *pnp_clone_dependent_set(struct pnp_dev *dev,
+ unsigned int set)
{
- struct pnp_option *head = NULL;
- struct pnp_option *prev = NULL;
- struct pnp_option *res;
-
- /*
- * Build a functional IRQ-less variant of each MPU option.
- */
-
- for (res = dev->dependent; res; res = res->next) {
- struct pnp_option *curr;
- struct pnp_port *port;
- struct pnp_port *copy;
+ struct pnp_option *tail = NULL, *first_new_option = NULL;
+ struct pnp_option *option, *new_option;
+ unsigned int flags;
- port = res->port;
- if (!port || !res->irq)
- continue;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option))
+ tail = option;
+ }
+ if (!tail) {
+ dev_err(&dev->dev, "no dependent option sets\n");
+ return NULL;
+ }
- copy = pnp_alloc(sizeof *copy);
- if (!copy)
- break;
+ flags = pnp_new_dependent_set(dev, PNP_RES_PRIORITY_FUNCTIONAL);
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) == set) {
+ new_option = kmalloc(sizeof(struct pnp_option),
+ GFP_KERNEL);
+ if (!new_option) {
+ dev_err(&dev->dev, "couldn't clone dependent "
+ "set %d\n", set);
+ return NULL;
+ }
- copy->min = port->min;
- copy->max = port->max;
- copy->align = port->align;
- copy->size = port->size;
- copy->flags = port->flags;
+ *new_option = *option;
+ new_option->flags = flags;
+ if (!first_new_option)
+ first_new_option = new_option;
- curr = pnp_build_option(PNP_RES_PRIORITY_FUNCTIONAL);
- if (!curr) {
- kfree(copy);
- break;
+ list_add(&new_option->list, &tail->list);
+ tail = new_option;
}
- curr->port = copy;
-
- if (prev)
- prev->next = curr;
- else
- head = curr;
- prev = curr;
}
- if (head)
- dev_info(&dev->dev, "adding IRQ-less MPU options\n");
- return head;
+ return first_new_option;
}
-static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
+
+static void quirk_add_irq_optional_dependent_sets(struct pnp_dev *dev)
{
- struct pnp_option *res;
+ struct pnp_option *new_option;
+ unsigned int num_sets, i, set;
struct pnp_irq *irq;
- /*
- * Distribute the independent IRQ over the dependent options
- */
-
- res = dev->independent;
- if (!res)
- return;
-
- irq = res->irq;
- if (!irq || irq->next)
- return;
-
- res = dev->dependent;
- if (!res)
- return;
-
- while (1) {
- struct pnp_irq *copy;
-
- copy = pnp_alloc(sizeof *copy);
- if (!copy)
- break;
-
- memcpy(copy->map, irq->map, sizeof copy->map);
- copy->flags = irq->flags;
+ num_sets = dev->num_dependent_sets;
+ for (i = 0; i < num_sets; i++) {
+ new_option = pnp_clone_dependent_set(dev, i);
+ if (!new_option)
+ return;
- copy->next = res->irq; /* Yes, this is NULL */
- res->irq = copy;
+ set = pnp_option_set(new_option);
+ while (new_option && pnp_option_set(new_option) == set) {
+ if (new_option->type == IORESOURCE_IRQ) {
+ irq = &new_option->u.irq;
+ irq->flags |= IORESOURCE_IRQ_OPTIONAL;
+ }
+ dbg_pnp_show_option(dev, new_option);
+ new_option = list_entry(new_option->list.next,
+ struct pnp_option, list);
+ }
- if (!res->next)
- break;
- res = res->next;
+ dev_info(&dev->dev, "added dependent option set %d (same as "
+ "set %d except IRQ optional)\n", set, i);
}
- kfree(irq);
-
- res->next = quirk_isapnp_mpu_options(dev);
-
- res = dev->independent;
- res->irq = NULL;
}
-static void quirk_isapnp_mpu_resources(struct pnp_dev *dev)
+static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
{
- struct pnp_option *res;
+ struct pnp_option *option;
+ struct pnp_irq *irq = NULL;
+ unsigned int independent_irqs = 0;
+
+ list_for_each_entry(option, &dev->options, list) {
+ if (option->type == IORESOURCE_IRQ &&
+ !pnp_option_is_dependent(option)) {
+ independent_irqs++;
+ irq = &option->u.irq;
+ }
+ }
- res = dev->dependent;
- if (!res)
+ if (independent_irqs != 1)
return;
- while (res->next)
- res = res->next;
-
- res->next = quirk_isapnp_mpu_options(dev);
+ irq->flags |= IORESOURCE_IRQ_OPTIONAL;
+ dev_info(&dev->dev, "made independent IRQ optional\n");
}
#include <linux/pci.h>
@@ -248,8 +254,7 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
for (j = 0;
(res = pnp_get_resource(dev, IORESOURCE_MEM, j));
j++) {
- if (res->flags & IORESOURCE_UNSET ||
- (res->start == 0 && res->end == 0))
+ if (res->start == 0 && res->end == 0)
continue;
pnp_start = res->start;
@@ -312,10 +317,10 @@ static struct pnp_fixup pnp_fixups[] = {
{"CTL0043", quirk_sb16audio_resources},
{"CTL0044", quirk_sb16audio_resources},
{"CTL0045", quirk_sb16audio_resources},
- /* Add IRQ-less MPU options */
+ /* Add IRQ-optional MPU options */
{"ADS7151", quirk_ad1815_mpu_resources},
- {"ADS7181", quirk_isapnp_mpu_resources},
- {"AZT0002", quirk_isapnp_mpu_resources},
+ {"ADS7181", quirk_add_irq_optional_dependent_sets},
+ {"AZT0002", quirk_add_irq_optional_dependent_sets},
/* PnP resources that might overlap PCI BARs */
{"PNP0c01", quirk_system_pci_resources},
{"PNP0c02", quirk_system_pci_resources},
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 390b50096e30890f57d6cf6f55dc730d18013b47..4cfe3a1efdfbc24a213abc838dab1631abf9f5d4 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -3,6 +3,8 @@
*
* based on isapnp.c resource management (c) Jaroslav Kysela <perex@perex.cz>
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/module.h>
@@ -28,201 +30,121 @@ static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some
* option registration
*/
-struct pnp_option *pnp_build_option(int priority)
+struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type,
+ unsigned int option_flags)
{
- struct pnp_option *option = pnp_alloc(sizeof(struct pnp_option));
+ struct pnp_option *option;
+ option = kzalloc(sizeof(struct pnp_option), GFP_KERNEL);
if (!option)
return NULL;
- option->priority = priority & 0xff;
- /* make sure the priority is valid */
- if (option->priority > PNP_RES_PRIORITY_FUNCTIONAL)
- option->priority = PNP_RES_PRIORITY_INVALID;
-
- return option;
-}
-
-struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev)
-{
- struct pnp_option *option;
-
- option = pnp_build_option(PNP_RES_PRIORITY_PREFERRED);
-
- /* this should never happen but if it does we'll try to continue */
- if (dev->independent)
- dev_err(&dev->dev, "independent resource already registered\n");
- dev->independent = option;
+ option->flags = option_flags;
+ option->type = type;
- dev_dbg(&dev->dev, "new independent option\n");
+ list_add_tail(&option->list, &dev->options);
return option;
}
-struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
- int priority)
+int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags,
+ pnp_irq_mask_t *map, unsigned char flags)
{
struct pnp_option *option;
+ struct pnp_irq *irq;
- option = pnp_build_option(priority);
-
- if (dev->dependent) {
- struct pnp_option *parent = dev->dependent;
- while (parent->next)
- parent = parent->next;
- parent->next = option;
- } else
- dev->dependent = option;
-
- dev_dbg(&dev->dev, "new dependent option (priority %#x)\n", priority);
- return option;
-}
-
-int pnp_register_irq_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_irq *data)
-{
- struct pnp_irq *ptr;
-#ifdef DEBUG
- char buf[PNP_IRQ_NR]; /* hex-encoded, so this is overkill but safe */
-#endif
+ option = pnp_build_option(dev, IORESOURCE_IRQ, option_flags);
+ if (!option)
+ return -ENOMEM;
- ptr = option->irq;
- while (ptr && ptr->next)
- ptr = ptr->next;
- if (ptr)
- ptr->next = data;
- else
- option->irq = data;
+ irq = &option->u.irq;
+ irq->map = *map;
+ irq->flags = flags;
#ifdef CONFIG_PCI
{
int i;
for (i = 0; i < 16; i++)
- if (test_bit(i, data->map))
+ if (test_bit(i, irq->map.bits))
pcibios_penalize_isa_irq(i, 0);
}
#endif
-#ifdef DEBUG
- bitmap_scnprintf(buf, sizeof(buf), data->map, PNP_IRQ_NR);
- dev_dbg(&dev->dev, " irq bitmask %s flags %#x\n", buf,
- data->flags);
-#endif
+ dbg_pnp_show_option(dev, option);
return 0;
}
-int pnp_register_dma_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_dma *data)
+int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags,
+ unsigned char map, unsigned char flags)
{
- struct pnp_dma *ptr;
-
- ptr = option->dma;
- while (ptr && ptr->next)
- ptr = ptr->next;
- if (ptr)
- ptr->next = data;
- else
- option->dma = data;
-
- dev_dbg(&dev->dev, " dma bitmask %#x flags %#x\n", data->map,
- data->flags);
- return 0;
-}
+ struct pnp_option *option;
+ struct pnp_dma *dma;
-int pnp_register_port_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_port *data)
-{
- struct pnp_port *ptr;
-
- ptr = option->port;
- while (ptr && ptr->next)
- ptr = ptr->next;
- if (ptr)
- ptr->next = data;
- else
- option->port = data;
-
- dev_dbg(&dev->dev, " io "
- "min %#x max %#x align %d size %d flags %#x\n",
- data->min, data->max, data->align, data->size, data->flags);
- return 0;
-}
+ option = pnp_build_option(dev, IORESOURCE_DMA, option_flags);
+ if (!option)
+ return -ENOMEM;
-int pnp_register_mem_resource(struct pnp_dev *dev, struct pnp_option *option,
- struct pnp_mem *data)
-{
- struct pnp_mem *ptr;
-
- ptr = option->mem;
- while (ptr && ptr->next)
- ptr = ptr->next;
- if (ptr)
- ptr->next = data;
- else
- option->mem = data;
-
- dev_dbg(&dev->dev, " mem "
- "min %#x max %#x align %d size %d flags %#x\n",
- data->min, data->max, data->align, data->size, data->flags);
+ dma = &option->u.dma;
+ dma->map = map;
+ dma->flags = flags;
+
+ dbg_pnp_show_option(dev, option);
return 0;
}
-static void pnp_free_port(struct pnp_port *port)
+int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags,
+ resource_size_t min, resource_size_t max,
+ resource_size_t align, resource_size_t size,
+ unsigned char flags)
{
- struct pnp_port *next;
+ struct pnp_option *option;
+ struct pnp_port *port;
- while (port) {
- next = port->next;
- kfree(port);
- port = next;
- }
-}
+ option = pnp_build_option(dev, IORESOURCE_IO, option_flags);
+ if (!option)
+ return -ENOMEM;
-static void pnp_free_irq(struct pnp_irq *irq)
-{
- struct pnp_irq *next;
+ port = &option->u.port;
+ port->min = min;
+ port->max = max;
+ port->align = align;
+ port->size = size;
+ port->flags = flags;
- while (irq) {
- next = irq->next;
- kfree(irq);
- irq = next;
- }
+ dbg_pnp_show_option(dev, option);
+ return 0;
}
-static void pnp_free_dma(struct pnp_dma *dma)
+int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags,
+ resource_size_t min, resource_size_t max,
+ resource_size_t align, resource_size_t size,
+ unsigned char flags)
{
- struct pnp_dma *next;
+ struct pnp_option *option;
+ struct pnp_mem *mem;
- while (dma) {
- next = dma->next;
- kfree(dma);
- dma = next;
- }
-}
+ option = pnp_build_option(dev, IORESOURCE_MEM, option_flags);
+ if (!option)
+ return -ENOMEM;
-static void pnp_free_mem(struct pnp_mem *mem)
-{
- struct pnp_mem *next;
+ mem = &option->u.mem;
+ mem->min = min;
+ mem->max = max;
+ mem->align = align;
+ mem->size = size;
+ mem->flags = flags;
- while (mem) {
- next = mem->next;
- kfree(mem);
- mem = next;
- }
+ dbg_pnp_show_option(dev, option);
+ return 0;
}
-void pnp_free_option(struct pnp_option *option)
+void pnp_free_options(struct pnp_dev *dev)
{
- struct pnp_option *next;
-
- while (option) {
- next = option->next;
- pnp_free_port(option->port);
- pnp_free_irq(option->irq);
- pnp_free_dma(option->dma);
- pnp_free_mem(option->mem);
+ struct pnp_option *option, *tmp;
+
+ list_for_each_entry_safe(option, tmp, &dev->options, list) {
+ list_del(&option->list);
kfree(option);
- option = next;
}
}
@@ -237,7 +159,7 @@ void pnp_free_option(struct pnp_option *option)
!((*(enda) < *(startb)) || (*(endb) < *(starta)))
#define cannot_compare(flags) \
-((flags) & (IORESOURCE_UNSET | IORESOURCE_DISABLED))
+((flags) & IORESOURCE_DISABLED)
int pnp_check_port(struct pnp_dev *dev, struct resource *res)
{
@@ -364,6 +286,61 @@ static irqreturn_t pnp_test_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+#ifdef CONFIG_PCI
+static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
+ unsigned int irq)
+{
+ u32 class;
+ u8 progif;
+
+ if (pci->irq == irq) {
+ dev_dbg(&pnp->dev, "device %s using irq %d\n",
+ pci_name(pci), irq);
+ return 1;
+ }
+
+ /*
+ * See pci_setup_device() and ata_pci_sff_activate_host() for
+ * similar IDE legacy detection.
+ */
+ pci_read_config_dword(pci, PCI_CLASS_REVISION, &class);
+ class >>= 8; /* discard revision ID */
+ progif = class & 0xff;
+ class >>= 8;
+
+ if (class == PCI_CLASS_STORAGE_IDE) {
+ /*
+ * Unless both channels are native-PCI mode only,
+ * treat the compatibility IRQs as busy.
+ */
+ if ((progif & 0x5) != 0x5)
+ if (pci_get_legacy_ide_irq(pci, 0) == irq ||
+ pci_get_legacy_ide_irq(pci, 1) == irq) {
+ dev_dbg(&pnp->dev, "legacy IDE device %s "
+ "using irq %d\n", pci_name(pci), irq);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#endif
+
+static int pci_uses_irq(struct pnp_dev *pnp, unsigned int irq)
+{
+#ifdef CONFIG_PCI
+ struct pci_dev *pci = NULL;
+
+ for_each_pci_dev(pci) {
+ if (pci_dev_uses_irq(pnp, pci, irq)) {
+ pci_dev_put(pci);
+ return 1;
+ }
+ }
+#endif
+ return 0;
+}
+
int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
{
int i;
@@ -395,18 +372,9 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res)
}
}
-#ifdef CONFIG_PCI
/* check if the resource is being used by a pci device */
- {
- struct pci_dev *pci = NULL;
- for_each_pci_dev(pci) {
- if (pci->irq == *irq) {
- pci_dev_put(pci);
- return 0;
- }
- }
- }
-#endif
+ if (pci_uses_irq(dev, *irq))
+ return 0;
/* check if the resource is already in use, skip if the
* device is active because it itself may be in use */
@@ -499,81 +467,37 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
#endif
}
-struct pnp_resource *pnp_get_pnp_resource(struct pnp_dev *dev,
- unsigned int type, unsigned int num)
+int pnp_resource_type(struct resource *res)
{
- struct pnp_resource_table *res = dev->res;
-
- switch (type) {
- case IORESOURCE_IO:
- if (num >= PNP_MAX_PORT)
- return NULL;
- return &res->port[num];
- case IORESOURCE_MEM:
- if (num >= PNP_MAX_MEM)
- return NULL;
- return &res->mem[num];
- case IORESOURCE_IRQ:
- if (num >= PNP_MAX_IRQ)
- return NULL;
- return &res->irq[num];
- case IORESOURCE_DMA:
- if (num >= PNP_MAX_DMA)
- return NULL;
- return &res->dma[num];
- }
- return NULL;
+ return res->flags & (IORESOURCE_IO | IORESOURCE_MEM |
+ IORESOURCE_IRQ | IORESOURCE_DMA);
}
struct resource *pnp_get_resource(struct pnp_dev *dev,
unsigned int type, unsigned int num)
{
struct pnp_resource *pnp_res;
+ struct resource *res;
- pnp_res = pnp_get_pnp_resource(dev, type, num);
- if (pnp_res)
- return &pnp_res->res;
-
+ list_for_each_entry(pnp_res, &dev->resources, list) {
+ res = &pnp_res->res;
+ if (pnp_resource_type(res) == type && num-- == 0)
+ return res;
+ }
return NULL;
}
EXPORT_SYMBOL(pnp_get_resource);
-static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev, int type)
+static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev)
{
struct pnp_resource *pnp_res;
- int i;
- switch (type) {
- case IORESOURCE_IO:
- for (i = 0; i < PNP_MAX_PORT; i++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IO, i);
- if (pnp_res && !pnp_resource_valid(&pnp_res->res))
- return pnp_res;
- }
- break;
- case IORESOURCE_MEM:
- for (i = 0; i < PNP_MAX_MEM; i++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_MEM, i);
- if (pnp_res && !pnp_resource_valid(&pnp_res->res))
- return pnp_res;
- }
- break;
- case IORESOURCE_IRQ:
- for (i = 0; i < PNP_MAX_IRQ; i++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IRQ, i);
- if (pnp_res && !pnp_resource_valid(&pnp_res->res))
- return pnp_res;
- }
- break;
- case IORESOURCE_DMA:
- for (i = 0; i < PNP_MAX_DMA; i++) {
- pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_DMA, i);
- if (pnp_res && !pnp_resource_valid(&pnp_res->res))
- return pnp_res;
- }
- break;
- }
- return NULL;
+ pnp_res = kzalloc(sizeof(struct pnp_resource), GFP_KERNEL);
+ if (!pnp_res)
+ return NULL;
+
+ list_add_tail(&pnp_res->list, &dev->resources);
+ return pnp_res;
}
struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
@@ -581,15 +505,10 @@ struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
{
struct pnp_resource *pnp_res;
struct resource *res;
- static unsigned char warned;
- pnp_res = pnp_new_resource(dev, IORESOURCE_IRQ);
+ pnp_res = pnp_new_resource(dev);
if (!pnp_res) {
- if (!warned) {
- dev_err(&dev->dev, "can't add resource for IRQ %d\n",
- irq);
- warned = 1;
- }
+ dev_err(&dev->dev, "can't add resource for IRQ %d\n", irq);
return NULL;
}
@@ -607,15 +526,10 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
{
struct pnp_resource *pnp_res;
struct resource *res;
- static unsigned char warned;
- pnp_res = pnp_new_resource(dev, IORESOURCE_DMA);
+ pnp_res = pnp_new_resource(dev);
if (!pnp_res) {
- if (!warned) {
- dev_err(&dev->dev, "can't add resource for DMA %d\n",
- dma);
- warned = 1;
- }
+ dev_err(&dev->dev, "can't add resource for DMA %d\n", dma);
return NULL;
}
@@ -634,16 +548,12 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
{
struct pnp_resource *pnp_res;
struct resource *res;
- static unsigned char warned;
- pnp_res = pnp_new_resource(dev, IORESOURCE_IO);
+ pnp_res = pnp_new_resource(dev);
if (!pnp_res) {
- if (!warned) {
- dev_err(&dev->dev, "can't add resource for IO "
- "%#llx-%#llx\n",(unsigned long long) start,
- (unsigned long long) end);
- warned = 1;
- }
+ dev_err(&dev->dev, "can't add resource for IO %#llx-%#llx\n",
+ (unsigned long long) start,
+ (unsigned long long) end);
return NULL;
}
@@ -663,16 +573,12 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
{
struct pnp_resource *pnp_res;
struct resource *res;
- static unsigned char warned;
- pnp_res = pnp_new_resource(dev, IORESOURCE_MEM);
+ pnp_res = pnp_new_resource(dev);
if (!pnp_res) {
- if (!warned) {
- dev_err(&dev->dev, "can't add resource for MEM "
- "%#llx-%#llx\n",(unsigned long long) start,
- (unsigned long long) end);
- warned = 1;
- }
+ dev_err(&dev->dev, "can't add resource for MEM %#llx-%#llx\n",
+ (unsigned long long) start,
+ (unsigned long long) end);
return NULL;
}
@@ -686,6 +592,52 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
return pnp_res;
}
+/*
+ * Determine whether the specified resource is a possible configuration
+ * for this device.
+ */
+int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start,
+ resource_size_t size)
+{
+ struct pnp_option *option;
+ struct pnp_port *port;
+ struct pnp_mem *mem;
+ struct pnp_irq *irq;
+ struct pnp_dma *dma;
+
+ list_for_each_entry(option, &dev->options, list) {
+ if (option->type != type)
+ continue;
+
+ switch (option->type) {
+ case IORESOURCE_IO:
+ port = &option->u.port;
+ if (port->min == start && port->size == size)
+ return 1;
+ break;
+ case IORESOURCE_MEM:
+ mem = &option->u.mem;
+ if (mem->min == start && mem->size == size)
+ return 1;
+ break;
+ case IORESOURCE_IRQ:
+ irq = &option->u.irq;
+ if (start < PNP_IRQ_NR &&
+ test_bit(start, irq->map.bits))
+ return 1;
+ break;
+ case IORESOURCE_DMA:
+ dma = &option->u.dma;
+ if (dma->map & (1 << start))
+ return 1;
+ break;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(pnp_possible_config);
+
/* format is: pnp_reserve_irq=irq1[,irq2] .... */
static int __init pnp_setup_reserve_irq(char *str)
{
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 95b076c18c075677cd49449b8bec9bf9492ab0d8..bbf78ef4ba024932af837e18f16503daf8c9ce4a 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -2,6 +2,8 @@
* support.c - standard functions for the use of pnp protocol drivers
*
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/module.h>
@@ -16,6 +18,10 @@
*/
int pnp_is_active(struct pnp_dev *dev)
{
+ /*
+ * I don't think this is very reliable because pnp_disable_dev()
+ * only clears out auto-assigned resources.
+ */
if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
!pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1)
@@ -52,39 +58,154 @@ void pnp_eisa_id_to_string(u32 id, char *str)
str[7] = '\0';
}
+char *pnp_resource_type_name(struct resource *res)
+{
+ switch (pnp_resource_type(res)) {
+ case IORESOURCE_IO:
+ return "io";
+ case IORESOURCE_MEM:
+ return "mem";
+ case IORESOURCE_IRQ:
+ return "irq";
+ case IORESOURCE_DMA:
+ return "dma";
+ }
+ return NULL;
+}
+
void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
{
#ifdef DEBUG
+ char buf[128];
+ int len = 0;
+ struct pnp_resource *pnp_res;
struct resource *res;
- int i;
- dev_dbg(&dev->dev, "current resources: %s\n", desc);
-
- for (i = 0; i < PNP_MAX_IRQ; i++) {
- res = pnp_get_resource(dev, IORESOURCE_IRQ, i);
- if (res && !(res->flags & IORESOURCE_UNSET))
- dev_dbg(&dev->dev, " irq %lld flags %#lx\n",
- (unsigned long long) res->start, res->flags);
+ if (list_empty(&dev->resources)) {
+ dev_dbg(&dev->dev, "%s: no current resources\n", desc);
+ return;
}
- for (i = 0; i < PNP_MAX_DMA; i++) {
- res = pnp_get_resource(dev, IORESOURCE_DMA, i);
- if (res && !(res->flags & IORESOURCE_UNSET))
- dev_dbg(&dev->dev, " dma %lld flags %#lx\n",
- (unsigned long long) res->start, res->flags);
+
+ dev_dbg(&dev->dev, "%s: current resources:\n", desc);
+ list_for_each_entry(pnp_res, &dev->resources, list) {
+ res = &pnp_res->res;
+
+ len += snprintf(buf + len, sizeof(buf) - len, " %-3s ",
+ pnp_resource_type_name(res));
+
+ if (res->flags & IORESOURCE_DISABLED) {
+ dev_dbg(&dev->dev, "%sdisabled\n", buf);
+ continue;
+ }
+
+ switch (pnp_resource_type(res)) {
+ case IORESOURCE_IO:
+ case IORESOURCE_MEM:
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%#llx-%#llx flags %#lx",
+ (unsigned long long) res->start,
+ (unsigned long long) res->end,
+ res->flags);
+ break;
+ case IORESOURCE_IRQ:
+ case IORESOURCE_DMA:
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%lld flags %#lx",
+ (unsigned long long) res->start,
+ res->flags);
+ break;
+ }
+ dev_dbg(&dev->dev, "%s\n", buf);
}
- for (i = 0; i < PNP_MAX_PORT; i++) {
- res = pnp_get_resource(dev, IORESOURCE_IO, i);
- if (res && !(res->flags & IORESOURCE_UNSET))
- dev_dbg(&dev->dev, " io %#llx-%#llx flags %#lx\n",
- (unsigned long long) res->start,
- (unsigned long long) res->end, res->flags);
+#endif
+}
+
+char *pnp_option_priority_name(struct pnp_option *option)
+{
+ switch (pnp_option_priority(option)) {
+ case PNP_RES_PRIORITY_PREFERRED:
+ return "preferred";
+ case PNP_RES_PRIORITY_ACCEPTABLE:
+ return "acceptable";
+ case PNP_RES_PRIORITY_FUNCTIONAL:
+ return "functional";
}
- for (i = 0; i < PNP_MAX_MEM; i++) {
- res = pnp_get_resource(dev, IORESOURCE_MEM, i);
- if (res && !(res->flags & IORESOURCE_UNSET))
- dev_dbg(&dev->dev, " mem %#llx-%#llx flags %#lx\n",
- (unsigned long long) res->start,
- (unsigned long long) res->end, res->flags);
+ return "invalid";
+}
+
+void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option)
+{
+#ifdef DEBUG
+ char buf[128];
+ int len = 0, i;
+ struct pnp_port *port;
+ struct pnp_mem *mem;
+ struct pnp_irq *irq;
+ struct pnp_dma *dma;
+
+ if (pnp_option_is_dependent(option))
+ len += snprintf(buf + len, sizeof(buf) - len,
+ " dependent set %d (%s) ",
+ pnp_option_set(option),
+ pnp_option_priority_name(option));
+ else
+ len += snprintf(buf + len, sizeof(buf) - len, " independent ");
+
+ switch (option->type) {
+ case IORESOURCE_IO:
+ port = &option->u.port;
+ len += snprintf(buf + len, sizeof(buf) - len, "io min %#llx "
+ "max %#llx align %lld size %lld flags %#x",
+ (unsigned long long) port->min,
+ (unsigned long long) port->max,
+ (unsigned long long) port->align,
+ (unsigned long long) port->size, port->flags);
+ break;
+ case IORESOURCE_MEM:
+ mem = &option->u.mem;
+ len += snprintf(buf + len, sizeof(buf) - len, "mem min %#llx "
+ "max %#llx align %lld size %lld flags %#x",
+ (unsigned long long) mem->min,
+ (unsigned long long) mem->max,
+ (unsigned long long) mem->align,
+ (unsigned long long) mem->size, mem->flags);
+ break;
+ case IORESOURCE_IRQ:
+ irq = &option->u.irq;
+ len += snprintf(buf + len, sizeof(buf) - len, "irq");
+ if (bitmap_empty(irq->map.bits, PNP_IRQ_NR))
+ len += snprintf(buf + len, sizeof(buf) - len,
+ " <none>");
+ else {
+ for (i = 0; i < PNP_IRQ_NR; i++)
+ if (test_bit(i, irq->map.bits))
+ len += snprintf(buf + len,
+ sizeof(buf) - len,
+ " %d", i);
+ }
+ len += snprintf(buf + len, sizeof(buf) - len, " flags %#x",
+ irq->flags);
+ if (irq->flags & IORESOURCE_IRQ_OPTIONAL)
+ len += snprintf(buf + len, sizeof(buf) - len,
+ " (optional)");
+ break;
+ case IORESOURCE_DMA:
+ dma = &option->u.dma;
+ len += snprintf(buf + len, sizeof(buf) - len, "dma");
+ if (!dma->map)
+ len += snprintf(buf + len, sizeof(buf) - len,
+ " <none>");
+ else {
+ for (i = 0; i < 8; i++)
+ if (dma->map & (1 << i))
+ len += snprintf(buf + len,
+ sizeof(buf) - len,
+ " %d", i);
+ }
+ len += snprintf(buf + len, sizeof(buf) - len, " (bitmask %#x) "
+ "flags %#x", dma->map, dma->flags);
+ break;
}
+ dev_dbg(&dev->dev, "%s\n", buf);
#endif
}
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index cf4e07b01d484e7038e7bf2424bb04b68e84e014..764f3a3106854056d3acec26ce77068908b0eb58 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -60,7 +60,7 @@ static void reserve_resources_of_dev(struct pnp_dev *dev)
int i;
for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
- if (res->flags & IORESOURCE_UNSET)
+ if (res->flags & IORESOURCE_DISABLED)
continue;
if (res->start == 0)
continue; /* disabled */
@@ -81,7 +81,7 @@ static void reserve_resources_of_dev(struct pnp_dev *dev)
}
for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
- if (res->flags & (IORESOURCE_UNSET | IORESOURCE_DISABLED))
+ if (res->flags & IORESOURCE_DISABLED)
continue;
reserve_range(dev, res->start, res->end, 0);
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 97c68d021d28bcb3ecd1cae57846cdac3fdaed7e..638b68649e791a4e4d94ebef601e6714e1dd18bb 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -383,21 +383,14 @@ static int __devinit check_name(char *name)
return 0;
}
-static int __devinit check_resources(struct pnp_option *option)
+static int __devinit check_resources(struct pnp_dev *dev)
{
- struct pnp_option *tmp;
- if (!option)
- return 0;
+ resource_size_t base[] = {0x2f8, 0x3f8, 0x2e8, 0x3e8};
+ int i;
- for (tmp = option; tmp; tmp = tmp->next) {
- struct pnp_port *port;
- for (port = tmp->port; port; port = port->next)
- if ((port->size == 8) &&
- ((port->min == 0x2f8) ||
- (port->min == 0x3f8) ||
- (port->min == 0x2e8) ||
- (port->min == 0x3e8)))
- return 1;
+ for (i = 0; i < ARRAY_SIZE(base); i++) {
+ if (pnp_possible_config(dev, IORESOURCE_IO, base[i], 8))
+ return 1;
}
return 0;
@@ -420,10 +413,7 @@ static int __devinit serial_pnp_guess_board(struct pnp_dev *dev, int *flags)
(dev->card && check_name(dev->card->name))))
return -ENODEV;
- if (check_resources(dev->independent))
- return 0;
-
- if (check_resources(dev->dependent))
+ if (check_resources(dev))
return 0;
return -ENODEV;
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 28fe8bae103703405c08029ae1dafa40ff586613..4eb75a88795ad21da088d394f5e08faa898e04ad 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20080321
+#define ACPI_CA_VERSION 0x20080609
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
index 788f887820126ede28352c5824957f4964a7bcc8..f53faca8ec8055cc367968aa9982ddd8ca0fcad0 100644
--- a/include/acpi/acdisasm.h
+++ b/include/acpi/acdisasm.h
@@ -162,6 +162,7 @@ extern struct acpi_dmtable_info acpi_dm_table_info_dmar_hdr[];
extern struct acpi_dmtable_info acpi_dm_table_info_dmar_scope[];
extern struct acpi_dmtable_info acpi_dm_table_info_dmar0[];
extern struct acpi_dmtable_info acpi_dm_table_info_dmar1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_dmar2[];
extern struct acpi_dmtable_info acpi_dm_table_info_ecdt[];
extern struct acpi_dmtable_info acpi_dm_table_info_einj[];
extern struct acpi_dmtable_info acpi_dm_table_info_einj0[];
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index 910f018d92c74333a8a340e0f27f5a98951f4175..21a73a105d0ab2920962c4febb1e6a2d795dd263 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -221,7 +221,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
* dsinit
*/
acpi_status
-acpi_ds_initialize_objects(acpi_native_uint table_index,
+acpi_ds_initialize_objects(u32 table_index,
struct acpi_namespace_node *start_node);
/*
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 1f591171bf317d2e84c4baf7e6e971f37235d978..e5a890ffeb02c26ec55f73ff4a0ff58912306087 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -108,8 +108,9 @@
#define AE_BAD_HEX_CONSTANT (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
#define AE_BAD_OCTAL_CONSTANT (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
#define AE_BAD_DECIMAL_CONSTANT (acpi_status) (0x0009 | AE_CODE_PROGRAMMER)
+#define AE_MISSING_ARGUMENTS (acpi_status) (0x000A | AE_CODE_PROGRAMMER)
-#define AE_CODE_PGM_MAX 0x0009
+#define AE_CODE_PGM_MAX 0x000A
/*
* Acpi table exceptions
@@ -225,6 +226,7 @@ char const *acpi_gbl_exception_names_env[] = {
};
char const *acpi_gbl_exception_names_pgm[] = {
+ NULL,
"AE_BAD_PARAMETER",
"AE_BAD_CHARACTER",
"AE_BAD_PATHNAME",
@@ -233,10 +235,12 @@ char const *acpi_gbl_exception_names_pgm[] = {
"AE_ALIGNMENT",
"AE_BAD_HEX_CONSTANT",
"AE_BAD_OCTAL_CONSTANT",
- "AE_BAD_DECIMAL_CONSTANT"
+ "AE_BAD_DECIMAL_CONSTANT",
+ "AE_MISSING_ARGUMENTS"
};
char const *acpi_gbl_exception_names_tbl[] = {
+ NULL,
"AE_BAD_SIGNATURE",
"AE_BAD_HEADER",
"AE_BAD_CHECKSUM",
@@ -246,6 +250,7 @@ char const *acpi_gbl_exception_names_tbl[] = {
};
char const *acpi_gbl_exception_names_aml[] = {
+ NULL,
"AE_AML_ERROR",
"AE_AML_PARSE",
"AE_AML_BAD_OPCODE",
@@ -283,6 +288,7 @@ char const *acpi_gbl_exception_names_aml[] = {
};
char const *acpi_gbl_exception_names_ctrl[] = {
+ NULL,
"AE_CTRL_RETURN_VALUE",
"AE_CTRL_PENDING",
"AE_CTRL_TERMINATE",
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 74ad971241dbb6cb46a733dc02dc0b894eb59e64..15dda46b70d1c1e36c949d9555efc7a805ccf321 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -140,7 +140,7 @@ ACPI_EXTERN u32 acpi_gbl_trace_flags;
*/
ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
-extern acpi_native_uint acpi_gbl_permanent_mmap;
+extern u8 acpi_gbl_permanent_mmap;
/* These addresses are calculated from FADT address values */
diff --git a/include/acpi/achware.h b/include/acpi/achware.h
index d4fb9bbc903c0a3f417ea195d8650af87757ef8b..97a72b19327683843bc95219d643406b04426b59 100644
--- a/include/acpi/achware.h
+++ b/include/acpi/achware.h
@@ -87,6 +87,8 @@ acpi_status acpi_hw_clear_acpi_status(void);
/*
* hwgpe - GPE support
*/
+acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
acpi_status
acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
@@ -100,11 +102,9 @@ acpi_status
acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block);
-#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
acpi_event_status * event_status);
-#endif /* ACPI_FUTURE_USAGE */
acpi_status acpi_hw_disable_all_gpes(void);
diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index e249ce5d33003be88eee37914286a9c4975346d3..e8db7a3143a5c1244ee904152be7187d8e1e2e0b 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -366,10 +366,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
void
acpi_ex_dump_operands(union acpi_operand_object **operands,
- acpi_interpreter_mode interpreter_mode,
- char *ident,
- u32 num_levels,
- char *note, char *module_name, u32 line_number);
+ const char *opcode_name, u32 num_opcodes);
#ifdef ACPI_FUTURE_USAGE
void
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index c5cdc32ac2f8f623deb3515bd367a4fca2ee5da7..b221c8583dddf22966e65b3e974d508e17f43079 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -98,8 +98,8 @@ union acpi_parse_object;
static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
"ACPI_MTX_Interpreter",
- "ACPI_MTX_Tables",
"ACPI_MTX_Namespace",
+ "ACPI_MTX_Tables",
"ACPI_MTX_Events",
"ACPI_MTX_Caches",
"ACPI_MTX_Memory",
@@ -282,8 +282,8 @@ struct acpi_predefined_names {
/* Info structure used to convert external<->internal namestrings */
struct acpi_namestring_info {
- char *external_name;
- char *next_external_char;
+ const char *external_name;
+ const char *next_external_char;
char *internal_name;
u32 length;
u32 num_segments;
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index fb41a3b802fc500e7eafb419cc84063f9d1dd748..57ab9e9d7593e6213ff2342f55d2dbaaab92ff80 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -80,12 +80,12 @@
*/
#define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p))
#define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (acpi_uintptr_t) (p))
-#define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8,(a)) + (acpi_native_uint)(b)))
-#define ACPI_PTR_DIFF(a,b) (acpi_native_uint) (ACPI_CAST_PTR (u8,(a)) - ACPI_CAST_PTR (u8,(b)))
+#define ACPI_ADD_PTR(t, a, b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8,(a)) + (acpi_size)(b)))
+#define ACPI_PTR_DIFF(a, b) (acpi_size) (ACPI_CAST_PTR (u8,(a)) - ACPI_CAST_PTR (u8,(b)))
/* Pointer/Integer type conversions */
-#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(acpi_native_uint) i)
+#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) NULL, (acpi_size) i)
#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
#define ACPI_OFFSET(d,f) (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
#define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
@@ -296,22 +296,22 @@ struct acpi_integer_overlay {
/*
* Rounding macros (Power of two boundaries only)
*/
-#define ACPI_ROUND_DOWN(value,boundary) (((acpi_native_uint)(value)) & \
- (~(((acpi_native_uint) boundary)-1)))
+#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \
+ (~(((acpi_size) boundary)-1)))
-#define ACPI_ROUND_UP(value,boundary) ((((acpi_native_uint)(value)) + \
- (((acpi_native_uint) boundary)-1)) & \
- (~(((acpi_native_uint) boundary)-1)))
+#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \
+ (((acpi_size) boundary)-1)) & \
+ (~(((acpi_size) boundary)-1)))
-/* Note: sizeof(acpi_native_uint) evaluates to either 2, 4, or 8 */
+/* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
#define ACPI_ROUND_DOWN_TO_32BIT(a) ACPI_ROUND_DOWN(a,4)
#define ACPI_ROUND_DOWN_TO_64BIT(a) ACPI_ROUND_DOWN(a,8)
-#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,sizeof(acpi_native_uint))
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a) ACPI_ROUND_DOWN(a,sizeof(acpi_size))
#define ACPI_ROUND_UP_TO_32BIT(a) ACPI_ROUND_UP(a,4)
#define ACPI_ROUND_UP_TO_64BIT(a) ACPI_ROUND_UP(a,8)
-#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,sizeof(acpi_native_uint))
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a) ACPI_ROUND_UP(a,sizeof(acpi_size))
#define ACPI_ROUND_BITS_UP_TO_BYTES(a) ACPI_DIV_8((a) + 7)
#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a) ACPI_DIV_8((a))
@@ -322,7 +322,7 @@ struct acpi_integer_overlay {
#define ACPI_ROUND_UP_TO(value,boundary) (((value) + ((boundary)-1)) / (boundary))
-#define ACPI_IS_MISALIGNED(value) (((acpi_native_uint)value) & (sizeof(acpi_native_uint)-1))
+#define ACPI_IS_MISALIGNED(value) (((acpi_size)value) & (sizeof(acpi_size)-1))
/*
* Bitmask creation
@@ -414,7 +414,7 @@ struct acpi_integer_overlay {
* error messages. The __FILE__ macro is not very useful for this, because it
* often includes the entire pathname to the module
*/
-#define ACPI_MODULE_NAME(name) static char ACPI_UNUSED_VAR *_acpi_module_name = name;
+#define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
#else
#define ACPI_MODULE_NAME(name)
#endif
@@ -467,19 +467,17 @@ struct acpi_integer_overlay {
/*
* If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
* define it now. This is the case where there the compiler does not support
- * a __FUNCTION__ macro or equivalent. We save the function name on the
- * local stack.
+ * a __FUNCTION__ macro or equivalent.
*/
#ifndef ACPI_GET_FUNCTION_NAME
#define ACPI_GET_FUNCTION_NAME _acpi_function_name
/*
* The Name parameter should be the procedure name as a quoted string.
- * This is declared as a local string ("MyFunctionName") so that it can
- * be also used by the function exit macros below.
+ * The function name is also used by the function exit macros below.
* Note: (const char) is used to be compatible with the debug interfaces
* and macros such as __FUNCTION__.
*/
-#define ACPI_FUNCTION_NAME(name) const char *_acpi_function_name = #name;
+#define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name;
#else
/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
@@ -599,7 +597,7 @@ struct acpi_integer_overlay {
/* Stack and buffer dumping */
#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a),0)
-#define ACPI_DUMP_OPERANDS(a,b,c,d,e) acpi_ex_dump_operands(a,b,c,d,e,_acpi_module_name,__LINE__)
+#define ACPI_DUMP_OPERANDS(a,b,c) acpi_ex_dump_operands(a,b,c)
#define ACPI_DUMP_ENTRY(a,b) acpi_ns_dump_entry (a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d) acpi_ns_dump_pathname(a,b,c,d)
@@ -635,7 +633,7 @@ struct acpi_integer_overlay {
#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0)
#define ACPI_FUNCTION_ENTRY() do { } while(0)
#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0)
-#define ACPI_DUMP_OPERANDS(a,b,c,d,e) do { } while(0)
+#define ACPI_DUMP_OPERANDS(a,b,c) do { } while(0)
#define ACPI_DUMP_ENTRY(a,b) do { } while(0)
#define ACPI_DUMP_TABLES(a,b) do { } while(0)
#define ACPI_DUMP_PATHNAME(a,b,c,d) do { } while(0)
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index 713b30903fe54c2260e8ba07098359b6fadfddd6..9ed70a05058003034e275e8c8f13acff3124c2ed 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -86,8 +86,7 @@ acpi_status acpi_ns_initialize_devices(void);
acpi_status acpi_ns_load_namespace(void);
acpi_status
-acpi_ns_load_table(acpi_native_uint table_index,
- struct acpi_namespace_node *node);
+acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node);
/*
* nswalk - walk the namespace
@@ -108,12 +107,11 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct
* nsparse - table parsing
*/
acpi_status
-acpi_ns_parse_table(acpi_native_uint table_index,
- struct acpi_namespace_node *start_node);
+acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node);
acpi_status
-acpi_ns_one_complete_parse(acpi_native_uint pass_number,
- acpi_native_uint table_index,
+acpi_ns_one_complete_parse(u32 pass_number,
+ u32 table_index,
struct acpi_namespace_node *start_node);
/*
@@ -201,7 +199,7 @@ acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
- char *external_pathname,
+ const char *external_pathname,
u32 flags, struct acpi_namespace_node **out_node);
acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
@@ -265,28 +263,30 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
u32 acpi_ns_local(acpi_object_type type);
void
-acpi_ns_report_error(char *module_name,
+acpi_ns_report_error(const char *module_name,
u32 line_number,
- char *internal_name, acpi_status lookup_status);
+ const char *internal_name, acpi_status lookup_status);
void
-acpi_ns_report_method_error(char *module_name,
+acpi_ns_report_method_error(const char *module_name,
u32 line_number,
- char *message,
+ const char *message,
struct acpi_namespace_node *node,
- char *path, acpi_status lookup_status);
+ const char *path, acpi_status lookup_status);
-void acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *msg);
+void
+acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);
acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
-acpi_status acpi_ns_internalize_name(char *dotted_name, char **converted_name);
+acpi_status
+acpi_ns_internalize_name(const char *dotted_name, char **converted_name);
acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
- char *internal_name,
+ const char *internal_name,
u32 * converted_name_length, char **converted_name);
struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 2f1c68c7a7270ea7098a39509690eb5d03614c1d..db90a74f8714052fadfc424aff91c862b328a80d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -376,9 +376,9 @@ acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle))
#ifdef CONFIG_PM_SLEEP
-int acpi_pm_device_sleep_state(struct device *, int, int *);
+int acpi_pm_device_sleep_state(struct device *, int *);
#else /* !CONFIG_PM_SLEEP */
-static inline int acpi_pm_device_sleep_state(struct device *d, int w, int *p)
+static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
{
if (p)
*p = ACPI_STATE_D0;
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index d4a560d2deb61f05f3fe56d2b4affe515926c931..3f93a6b4e17fe61ccd6735dd84a78b89edc8dc0d 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -144,7 +144,7 @@ void acpi_os_release_mutex(acpi_mutex handle);
void *acpi_os_allocate(acpi_size size);
void __iomem *acpi_os_map_memory(acpi_physical_address where,
- acpi_native_uint length);
+ acpi_size length);
void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 2c3806e6546f278656ffb0342486fccc28c7643f..94d94e126e9f4a3b825309e01766df0b973c088d 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -98,7 +98,7 @@ void acpi_free(void *address);
*/
acpi_status acpi_reallocate_root_table(void);
-acpi_status acpi_find_root_pointer(acpi_native_uint * rsdp_address);
+acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
acpi_status acpi_load_tables(void);
@@ -108,15 +108,15 @@ acpi_status acpi_unload_table_id(acpi_owner_id id);
acpi_status
acpi_get_table_header(acpi_string signature,
- acpi_native_uint instance,
+ u32 instance,
struct acpi_table_header *out_table_header);
acpi_status
acpi_get_table(acpi_string signature,
- acpi_native_uint instance, struct acpi_table_header **out_table);
+ u32 instance, struct acpi_table_header **out_table);
acpi_status
-acpi_get_table_by_index(acpi_native_uint table_index,
+acpi_get_table_by_index(u32 table_index,
struct acpi_table_header **out_table);
acpi_status
@@ -248,9 +248,7 @@ acpi_status acpi_disable_event(u32 event, u32 flags);
acpi_status acpi_clear_event(u32 event);
-#ifdef ACPI_FUTURE_USAGE
acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
-#endif /* ACPI_FUTURE_USAGE */
acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
@@ -260,12 +258,10 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
-#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_get_gpe_status(acpi_handle gpe_device,
u32 gpe_number,
u32 flags, acpi_event_status * event_status);
-#endif /* ACPI_FUTURE_USAGE */
acpi_status
acpi_install_gpe_block(acpi_handle gpe_device,
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index a907c67d651e778f535c749a3ae0b92031c9bc4f..7980a26bad356240038584568b6b0ce404c562fe 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -108,7 +108,6 @@ struct acpi_walk_state {
union acpi_operand_object **caller_return_desc;
union acpi_generic_state *control_state; /* List of control states (nested IFs) */
struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */
- struct acpi_gpe_event_info *gpe_event_info; /* Info for GPE (_Lxx/_Exx methods only */
union acpi_operand_object *implicit_return_obj;
struct acpi_namespace_node *method_call_node; /* Called method Node */
union acpi_parse_object *method_call_op; /* method_call Op if running a method */
@@ -143,7 +142,7 @@ struct acpi_init_walk_info {
u16 package_init;
u16 object_count;
acpi_owner_id owner_id;
- acpi_native_uint table_index;
+ u32 table_index;
};
struct acpi_get_devices_info {
@@ -189,17 +188,12 @@ struct acpi_evaluate_info {
union acpi_operand_object **parameters;
struct acpi_namespace_node *resolved_node;
union acpi_operand_object *return_object;
+ u8 param_count;
u8 pass_number;
- u8 parameter_type;
u8 return_object_type;
u8 flags;
};
-/* Types for parameter_type above */
-
-#define ACPI_PARAM_ARGS 0
-#define ACPI_PARAM_GPE 1
-
/* Values for Flags above */
#define ACPI_IGNORE_RETURN_VALUE 1
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 4b36a55b0b3bceed7ba441b9a9121825abd631f3..0cbe1b9ab52249e38adcd12c5fe0c8009d8ebbd9 100644
--- a/include/acpi/actables.h
+++ b/include/acpi/actables.h
@@ -49,7 +49,7 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count);
/*
* tbfadt - FADT parse/convert/validate
*/
-void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags);
+void acpi_tb_parse_fadt(u32 table_index, u8 flags);
void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
@@ -58,8 +58,7 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
*/
acpi_status
acpi_tb_find_table(char *signature,
- char *oem_id,
- char *oem_table_id, acpi_native_uint * table_index);
+ char *oem_id, char *oem_table_id, u32 *table_index);
/*
* tbinstal - Table removal and deletion
@@ -69,30 +68,28 @@ acpi_status acpi_tb_resize_root_table_list(void);
acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
acpi_status
-acpi_tb_add_table(struct acpi_table_desc *table_desc,
- acpi_native_uint * table_index);
+acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index);
acpi_status
acpi_tb_store_table(acpi_physical_address address,
struct acpi_table_header *table,
- u32 length, u8 flags, acpi_native_uint * table_index);
+ u32 length, u8 flags, u32 *table_index);
void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
void acpi_tb_terminate(void);
-void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index);
+void acpi_tb_delete_namespace_by_owner(u32 table_index);
-acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index);
+acpi_status acpi_tb_allocate_owner_id(u32 table_index);
-acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index);
+acpi_status acpi_tb_release_owner_id(u32 table_index);
-acpi_status
-acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id);
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
-u8 acpi_tb_is_table_loaded(acpi_native_uint table_index);
+u8 acpi_tb_is_table_loaded(u32 table_index);
-void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded);
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
/*
* tbutils - table manager utilities
@@ -103,14 +100,14 @@ void
acpi_tb_print_table_header(acpi_physical_address address,
struct acpi_table_header *header);
-u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length);
+u8 acpi_tb_checksum(u8 *buffer, u32 length);
acpi_status
acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
void
acpi_tb_install_table(acpi_physical_address address,
- u8 flags, char *signature, acpi_native_uint table_index);
+ u8 flags, char *signature, u32 table_index);
acpi_status
acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags);
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 9af239bd1153fad17bdaee0b0bfbfcbc671bab80..d38f9be2f6eeda77b42f48e492060ed6a9f3000b 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -300,6 +300,7 @@ struct acpi_table_dbgp {
/*******************************************************************************
*
* DMAR - DMA Remapping table
+ * From "Intel Virtualization Technology for Directed I/O", Sept. 2007
*
******************************************************************************/
@@ -310,6 +311,10 @@ struct acpi_table_dmar {
u8 reserved[10];
};
+/* Flags */
+
+#define ACPI_DMAR_INTR_REMAP (1)
+
/* DMAR subtable header */
struct acpi_dmar_header {
@@ -382,6 +387,20 @@ struct acpi_dmar_reserved_memory {
#define ACPI_DMAR_ALLOW_ALL (1)
+
+/* 2: Root Port ATS Capability Reporting Structure */
+
+struct acpi_dmar_atsr {
+ struct acpi_dmar_header header;
+ u8 flags;
+ u8 reserved;
+ u16 segment;
+};
+
+/* Flags */
+
+#define ACPI_DMAR_ALL_PORTS (1)
+
/*******************************************************************************
*
* ECDT - Embedded Controller Boot Resources Table
@@ -1156,9 +1175,9 @@ struct acpi_srat_mem_affinity {
u16 reserved; /* Reserved, must be zero */
u64 base_address;
u64 length;
- u32 memory_type; /* See acpi_address_range_id */
+ u32 reserved1;
u32 flags;
- u64 reserved1; /* Reserved, must be zero */
+ u64 reserved2; /* Reserved, must be zero */
};
/* Flags */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index dfea2d440488548a7fccff43e998b3ec0ef346d6..4ea4f40bf894c22e0a1f99b745bd503e6a996f24 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -110,10 +110,10 @@
* usually used for memory allocation, efficient loop counters, and array
* indexes. The types are similar to the size_t type in the C library and are
* required because there is no C type that consistently represents the native
- * data width.
+ * data width. ACPI_SIZE is needed because there is no guarantee that a
+ * kernel-level C library is present.
*
* ACPI_SIZE 16/32/64-bit unsigned value
- * ACPI_NATIVE_UINT 16/32/64-bit unsigned value
* ACPI_NATIVE_INT 16/32/64-bit signed value
*
*/
@@ -147,9 +147,9 @@ typedef int INT32;
/*! [End] no source code translation !*/
-typedef u64 acpi_native_uint;
typedef s64 acpi_native_int;
+typedef u64 acpi_size;
typedef u64 acpi_io_address;
typedef u64 acpi_physical_address;
@@ -186,9 +186,9 @@ typedef int INT32;
/*! [End] no source code translation !*/
-typedef u32 acpi_native_uint;
typedef s32 acpi_native_int;
+typedef u32 acpi_size;
typedef u32 acpi_io_address;
typedef u32 acpi_physical_address;
@@ -202,10 +202,6 @@ typedef u32 acpi_physical_address;
#error unknown ACPI_MACHINE_WIDTH
#endif
-/* Variable-width type, used instead of clib size_t */
-
-typedef acpi_native_uint acpi_size;
-
/*******************************************************************************
*
* OS-dependent and compiler-dependent types
@@ -219,7 +215,7 @@ typedef acpi_native_uint acpi_size;
/* Value returned by acpi_os_get_thread_id */
#ifndef acpi_thread_id
-#define acpi_thread_id acpi_native_uint
+#define acpi_thread_id acpi_size
#endif
/* Object returned from acpi_os_create_lock */
@@ -231,7 +227,7 @@ typedef acpi_native_uint acpi_size;
/* Flags for acpi_os_acquire_lock/acpi_os_release_lock */
#ifndef acpi_cpu_flags
-#define acpi_cpu_flags acpi_native_uint
+#define acpi_cpu_flags acpi_size
#endif
/* Object returned from acpi_os_create_cache */
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index b42cadf0730256bb68e17f6ff8ad376f7d57dc23..69f8888771fffa6cdf532117ac31bc14eb5997ff 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -172,7 +172,7 @@ char *acpi_ut_strstr(char *string1, char *string2);
void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
-void *acpi_ut_memset(void *dest, acpi_native_uint value, acpi_size count);
+void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
int acpi_ut_to_upper(int c);
@@ -245,41 +245,45 @@ void acpi_ut_track_stack_ptr(void);
void
acpi_ut_trace(u32 line_number,
- const char *function_name, char *module_name, u32 component_id);
+ const char *function_name,
+ const char *module_name, u32 component_id);
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, void *pointer);
+ const char *module_name, u32 component_id, void *pointer);
void
acpi_ut_trace_u32(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, u32 integer);
+ const char *module_name, u32 component_id, u32 integer);
void
acpi_ut_trace_str(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, char *string);
+ const char *module_name, u32 component_id, char *string);
void
acpi_ut_exit(u32 line_number,
- const char *function_name, char *module_name, u32 component_id);
+ const char *function_name,
+ const char *module_name, u32 component_id);
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, acpi_status status);
+ const char *module_name,
+ u32 component_id, acpi_status status);
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, acpi_integer value);
+ const char *module_name,
+ u32 component_id, acpi_integer value);
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
- char *module_name, u32 component_id, u8 * ptr);
+ const char *module_name, u32 component_id, u8 *ptr);
void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
@@ -297,33 +301,35 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print(u32 requested_debug_level,
u32 line_number,
const char *function_name,
- char *module_name,
- u32 component_id, char *format, ...) ACPI_PRINTF_LIKE(6);
+ const char *module_name,
+ u32 component_id,
+ const char *format, ...) ACPI_PRINTF_LIKE(6);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw(u32 requested_debug_level,
u32 line_number,
const char *function_name,
- char *module_name,
+ const char *module_name,
u32 component_id,
- char *format, ...) ACPI_PRINTF_LIKE(6);
+ const char *format, ...) ACPI_PRINTF_LIKE(6);
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_error(char *module_name,
- u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_error(const char *module_name,
+ u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_exception(char *module_name,
+acpi_ut_exception(const char *module_name,
u32 line_number,
- acpi_status status, char *format, ...) ACPI_PRINTF_LIKE(4);
+ acpi_status status,
+ const char *format, ...) ACPI_PRINTF_LIKE(4);
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_warning(char *module_name,
- u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_warning(const char *module_name,
+ u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_info(char *module_name,
- u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_info(const char *module_name,
+ u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
/*
* utdelete - Object deletion and reference counts
@@ -376,13 +382,14 @@ acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
/*
* utobject - internal object create/delete/cache routines
*/
-union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
+union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
+ *module_name,
u32 line_number,
u32 component_id,
acpi_object_type
type);
-void *acpi_ut_allocate_object_desc_dbg(char *module_name,
+void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
u32 line_number, u32 component_id);
#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
@@ -476,7 +483,7 @@ u8 acpi_ut_valid_acpi_name(u32 name);
acpi_name acpi_ut_repair_name(char *name);
-u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position);
+u8 acpi_ut_valid_acpi_char(char character, u32 position);
acpi_status
acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
@@ -543,26 +550,29 @@ acpi_status
acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
acpi_size required_length);
-void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line);
+void *acpi_ut_allocate(acpi_size size,
+ u32 component, const char *module, u32 line);
void *acpi_ut_allocate_zeroed(acpi_size size,
- u32 component, char *module, u32 line);
+ u32 component, const char *module, u32 line);
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
void *acpi_ut_allocate_and_track(acpi_size size,
- u32 component, char *module, u32 line);
+ u32 component, const char *module, u32 line);
void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
- u32 component, char *module, u32 line);
+ u32 component,
+ const char *module, u32 line);
void
-acpi_ut_free_and_track(void *address, u32 component, char *module, u32 line);
+acpi_ut_free_and_track(void *address,
+ u32 component, const char *module, u32 line);
#ifdef ACPI_FUTURE_USAGE
void acpi_ut_dump_allocation_info(void);
#endif /* ACPI_FUTURE_USAGE */
-void acpi_ut_dump_allocations(u32 component, char *module);
+void acpi_ut_dump_allocations(u32 component, const char *module);
acpi_status
acpi_ut_create_list(char *list_name,
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 06ebb6ef72aa7c57689a850b4c8692016f982c7f..3795590e152abbc54209e71b7688d4ed7639339f 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -255,7 +255,7 @@ extern void acpi_processor_unregister_performance(struct
int acpi_processor_notify_smm(struct module *calling_module);
/* for communication between multiple parts of the processor kernel module */
-extern struct acpi_processor *processors[NR_CPUS];
+DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;
void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
diff --git a/include/acpi/reboot.h b/include/acpi/reboot.h
index 8857f57e0b7804d0e931c8d05876913b09b052a0..0419184ce8867664164de63b2a232da985af718f 100644
--- a/include/acpi/reboot.h
+++ b/include/acpi/reboot.h
@@ -1,9 +1,11 @@
+#ifndef __ACPI_REBOOT_H
+#define __ACPI_REBOOT_H
+
+#ifdef CONFIG_ACPI
+extern void acpi_reboot(void);
+#else
+static inline void acpi_reboot(void) { }
+#endif
-/*
- * Dummy placeholder to make the EFI patches apply to the x86 tree.
- * Andrew/Len, please just kill this file if you encounter it.
- */
-#ifndef acpi_reboot
-# define acpi_reboot() do { } while (0)
#endif
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 6aff126fc07ea31802ec249613e9237c16472875..f88fa054d01d5f64c684fefafc76190b59aa36e3 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -763,6 +763,8 @@ prefetchw (const void *x)
#define spin_lock_prefetch(x) prefetchw(x)
extern unsigned long boot_option_idle_override;
+extern unsigned long idle_halt;
+extern unsigned long idle_nomwait;
#endif /* !__ASSEMBLY__ */
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 7f738270459276a305758ac8a3edce974b1985ba..55402d2ab9380e3f621c889503af1cec0abd9851 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -727,6 +727,8 @@ extern int force_mwait;
extern void select_idle_routine(const struct cpuinfo_x86 *c);
extern unsigned long boot_option_idle_override;
+extern unsigned long idle_halt;
+extern unsigned long idle_nomwait;
extern void enable_sep_cpu(void);
extern int sysenter_setup(void);
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 08934995c7ab5463e5f4064f4e2fff5ccfb4af94..deddeedf32571f12015de116f729ae666f74ede4 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -127,6 +127,15 @@ static inline void set_freezable(void)
current->flags &= ~PF_NOFREEZE;
}
+/*
+ * Tell the freezer that the current task should be frozen by it and that it
+ * should send a fake signal to the task to freeze it.
+ */
+static inline void set_freezable_with_signal(void)
+{
+ current->flags &= ~(PF_NOFREEZE | PF_FREEZER_NOSIG);
+}
+
/*
* Freezer-friendly wrappers around wait_event_interruptible() and
* wait_event_interruptible_timeout(), originally defined in <linux/wait.h>
@@ -174,6 +183,7 @@ static inline void freezer_do_not_count(void) {}
static inline void freezer_count(void) {}
static inline int freezer_should_skip(struct task_struct *p) { return 0; }
static inline void set_freezable(void) {}
+static inline void set_freezable_with_signal(void) {}
#define wait_event_freezable(wq, condition) \
wait_event_interruptible(wq, condition)
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index c6801bffe76d335af9e8ac2db0fe68a07d3e9823..2cd07cc29687c49bd1cf8a0883cf5c72bbb4e762 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -59,6 +59,7 @@ struct resource_list {
#define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
#define IORESOURCE_IRQ_SHAREABLE (1<<4)
+#define IORESOURCE_IRQ_OPTIONAL (1<<5)
/* PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
@@ -88,6 +89,10 @@ struct resource_list {
#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */
#define IORESOURCE_MEM_EXPANSIONROM (1<<6)
+/* PnP I/O specific bits (IORESOURCE_BITS) */
+#define IORESOURCE_IO_16BIT_ADDR (1<<0)
+#define IORESOURCE_IO_FIXED (1<<1)
+
/* PCI ROM control bits (IORESOURCE_BITS) */
#define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */
#define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 63b128d512fb5f413085b8b13d144d97cf41477f..1ce54b63085dd09b1ee5826694294969fe2a1f78 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -1,6 +1,8 @@
/*
* Linux Plug and Play Support
* Copyright by Adam Belay <ambx1@neo.rr.com>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#ifndef _LINUX_PNP_H
@@ -15,7 +17,6 @@
struct pnp_protocol;
struct pnp_dev;
-struct pnp_resource_table;
/*
* Resource Management
@@ -24,7 +25,14 @@ struct resource *pnp_get_resource(struct pnp_dev *, unsigned int, unsigned int);
static inline int pnp_resource_valid(struct resource *res)
{
- if (res && !(res->flags & IORESOURCE_UNSET))
+ if (res)
+ return 1;
+ return 0;
+}
+
+static inline int pnp_resource_enabled(struct resource *res)
+{
+ if (res && !(res->flags & IORESOURCE_DISABLED))
return 1;
return 0;
}
@@ -40,19 +48,31 @@ static inline resource_size_t pnp_resource_len(struct resource *res)
static inline resource_size_t pnp_port_start(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return 0;
}
static inline resource_size_t pnp_port_end(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->end;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->end;
+ return 0;
}
static inline unsigned long pnp_port_flags(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IO, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_IO | IORESOURCE_AUTO;
}
static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar)
@@ -63,25 +83,41 @@ static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_port_len(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_IO, bar));
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar);
+
+ if (pnp_resource_valid(res))
+ return pnp_resource_len(res);
+ return 0;
}
static inline resource_size_t pnp_mem_start(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return 0;
}
static inline resource_size_t pnp_mem_end(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->end;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->end;
+ return 0;
}
static inline unsigned long pnp_mem_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_MEM, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_MEM | IORESOURCE_AUTO;
}
static inline int pnp_mem_valid(struct pnp_dev *dev, unsigned int bar)
@@ -92,18 +128,30 @@ static inline int pnp_mem_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_mem_len(struct pnp_dev *dev,
unsigned int bar)
{
- return pnp_resource_len(pnp_get_resource(dev, IORESOURCE_MEM, bar));
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_MEM, bar);
+
+ if (pnp_resource_valid(res))
+ return pnp_resource_len(res);
+ return 0;
}
static inline resource_size_t pnp_irq(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IRQ, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return -1;
}
static inline unsigned long pnp_irq_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_IRQ, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_IRQ, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_IRQ | IORESOURCE_AUTO;
}
static inline int pnp_irq_valid(struct pnp_dev *dev, unsigned int bar)
@@ -114,12 +162,20 @@ static inline int pnp_irq_valid(struct pnp_dev *dev, unsigned int bar)
static inline resource_size_t pnp_dma(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_DMA, bar)->start;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_DMA, bar);
+
+ if (pnp_resource_valid(res))
+ return res->start;
+ return -1;
}
static inline unsigned long pnp_dma_flags(struct pnp_dev *dev, unsigned int bar)
{
- return pnp_get_resource(dev, IORESOURCE_DMA, bar)->flags;
+ struct resource *res = pnp_get_resource(dev, IORESOURCE_DMA, bar);
+
+ if (pnp_resource_valid(res))
+ return res->flags;
+ return IORESOURCE_DMA | IORESOURCE_AUTO;
}
static inline int pnp_dma_valid(struct pnp_dev *dev, unsigned int bar)
@@ -128,57 +184,6 @@ static inline int pnp_dma_valid(struct pnp_dev *dev, unsigned int bar)
}
-#define PNP_PORT_FLAG_16BITADDR (1<<0)
-#define PNP_PORT_FLAG_FIXED (1<<1)
-
-struct pnp_port {
- unsigned short min; /* min base number */
- unsigned short max; /* max base number */
- unsigned char align; /* align boundary */
- unsigned char size; /* size of range */
- unsigned char flags; /* port flags */
- unsigned char pad; /* pad */
- struct pnp_port *next; /* next port */
-};
-
-#define PNP_IRQ_NR 256
-struct pnp_irq {
- DECLARE_BITMAP(map, PNP_IRQ_NR); /* bitmask for IRQ lines */
- unsigned char flags; /* IRQ flags */
- unsigned char pad; /* pad */
- struct pnp_irq *next; /* next IRQ */
-};
-
-struct pnp_dma {
- unsigned char map; /* bitmask for DMA channels */
- unsigned char flags; /* DMA flags */
- struct pnp_dma *next; /* next port */
-};
-
-struct pnp_mem {
- unsigned int min; /* min base number */
- unsigned int max; /* max base number */
- unsigned int align; /* align boundary */
- unsigned int size; /* size of range */
- unsigned char flags; /* memory flags */
- unsigned char pad; /* pad */
- struct pnp_mem *next; /* next memory resource */
-};
-
-#define PNP_RES_PRIORITY_PREFERRED 0
-#define PNP_RES_PRIORITY_ACCEPTABLE 1
-#define PNP_RES_PRIORITY_FUNCTIONAL 2
-#define PNP_RES_PRIORITY_INVALID 65535
-
-struct pnp_option {
- unsigned short priority; /* priority */
- struct pnp_port *port; /* first port */
- struct pnp_irq *irq; /* first IRQ */
- struct pnp_dma *dma; /* first DMA */
- struct pnp_mem *mem; /* first memory resource */
- struct pnp_option *next; /* used to chain dependent resources */
-};
-
/*
* Device Management
*/
@@ -246,9 +251,9 @@ struct pnp_dev {
int active;
int capabilities;
- struct pnp_option *independent;
- struct pnp_option *dependent;
- struct pnp_resource_table *res;
+ unsigned int num_dependent_sets;
+ struct list_head resources;
+ struct list_head options;
char name[PNP_NAME_LEN]; /* contains a human-readable name */
int flags; /* used by protocols */
@@ -425,6 +430,8 @@ void pnp_unregister_card_driver(struct pnp_card_driver *drv);
extern struct list_head pnp_cards;
/* resource management */
+int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t base,
+ resource_size_t size);
int pnp_auto_config_dev(struct pnp_dev *dev);
int pnp_start_dev(struct pnp_dev *dev);
int pnp_stop_dev(struct pnp_dev *dev);
@@ -452,6 +459,9 @@ static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return
static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { }
/* resource management */
+static inline int pnp_possible_config(struct pnp_dev *dev, int type,
+ resource_size_t base,
+ resource_size_t size) { return 0; }
static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 21349173d148034cb20bf6f3d987ac9b0a9310cf..ba2f859c6e4fe1bd1eba11f9b878b1e9f205e941 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1494,6 +1494,7 @@ static inline void put_task_struct(struct task_struct *t)
#define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */
#define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */
#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */
+#define PF_FREEZER_NOSIG 0x80000000 /* Freezer won't send signals to it */
/*
* Only the _current_ task can read/write to tsk->flags, but other
diff --git a/kernel/cpu.c b/kernel/cpu.c
index b11f06dc149add3a29c072e2ec9356499dd9dbc1..cfb1d43ab801b69f24c47c0cdb17332c25f6f99e 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -299,6 +299,7 @@ int __ref cpu_down(unsigned int cpu)
cpu_maps_update_done();
return err;
}
+EXPORT_SYMBOL(cpu_down);
#endif /*CONFIG_HOTPLUG_CPU*/
/* Requires cpu_add_remove_lock to be held */
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 97747cdd37c98034f25e8f7dcafecdb328367e50..ac3fb73266412eaaaad2a904cb5bbe7917a159b7 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -235,7 +235,7 @@ int kthreadd(void *unused)
set_user_nice(tsk, KTHREAD_NICE_LEVEL);
set_cpus_allowed(tsk, CPU_MASK_ALL);
- current->flags |= PF_NOFREEZE;
+ current->flags |= PF_NOFREEZE | PF_FREEZER_NOSIG;
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
diff --git a/kernel/power/process.c b/kernel/power/process.c
index f1d0b345c9ba86a24ac48ee29cc4cb6f800b1c94..5fb87652f2149dd3a34f94e61e9a961303611e59 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -19,9 +19,6 @@
*/
#define TIMEOUT (20 * HZ)
-#define FREEZER_KERNEL_THREADS 0
-#define FREEZER_USER_SPACE 1
-
static inline int freezeable(struct task_struct * p)
{
if ((p == current) ||
@@ -84,63 +81,53 @@ static void fake_signal_wake_up(struct task_struct *p)
spin_unlock_irqrestore(&p->sighand->siglock, flags);
}
-static int has_mm(struct task_struct *p)
+static inline bool should_send_signal(struct task_struct *p)
{
- return (p->mm && !(p->flags & PF_BORROWED_MM));
+ return !(p->flags & PF_FREEZER_NOSIG);
}
/**
* freeze_task - send a freeze request to given task
* @p: task to send the request to
- * @with_mm_only: if set, the request will only be sent if the task has its
- * own mm
- * Return value: 0, if @with_mm_only is set and the task has no mm of its
- * own or the task is frozen, 1, otherwise
+ * @sig_only: if set, the request will only be sent if the task has the
+ * PF_FREEZER_NOSIG flag unset
+ * Return value: 'false', if @sig_only is set and the task has
+ * PF_FREEZER_NOSIG set or the task is frozen, 'true', otherwise
*
- * The freeze request is sent by seting the tasks's TIF_FREEZE flag and
+ * The freeze request is sent by setting the tasks's TIF_FREEZE flag and
* either sending a fake signal to it or waking it up, depending on whether
- * or not it has its own mm (ie. it is a user land task). If @with_mm_only
- * is set and the task has no mm of its own (ie. it is a kernel thread),
- * its TIF_FREEZE flag should not be set.
- *
- * The task_lock() is necessary to prevent races with exit_mm() or
- * use_mm()/unuse_mm() from occuring.
+ * or not it has PF_FREEZER_NOSIG set. If @sig_only is set and the task
+ * has PF_FREEZER_NOSIG set (ie. it is a typical kernel thread), its
+ * TIF_FREEZE flag will not be set.
*/
-static int freeze_task(struct task_struct *p, int with_mm_only)
+static bool freeze_task(struct task_struct *p, bool sig_only)
{
- int ret = 1;
+ /*
+ * We first check if the task is freezing and next if it has already
+ * been frozen to avoid the race with frozen_process() which first marks
+ * the task as frozen and next clears its TIF_FREEZE.
+ */
+ if (!freezing(p)) {
+ rmb();
+ if (frozen(p))
+ return false;
- task_lock(p);
- if (freezing(p)) {
- if (has_mm(p)) {
- if (!signal_pending(p))
- fake_signal_wake_up(p);
- } else {
- if (with_mm_only)
- ret = 0;
- else
- wake_up_state(p, TASK_INTERRUPTIBLE);
- }
+ if (!sig_only || should_send_signal(p))
+ set_freeze_flag(p);
+ else
+ return false;
+ }
+
+ if (should_send_signal(p)) {
+ if (!signal_pending(p))
+ fake_signal_wake_up(p);
+ } else if (sig_only) {
+ return false;
} else {
- rmb();
- if (frozen(p)) {
- ret = 0;
- } else {
- if (has_mm(p)) {
- set_freeze_flag(p);
- fake_signal_wake_up(p);
- } else {
- if (with_mm_only) {
- ret = 0;
- } else {
- set_freeze_flag(p);
- wake_up_state(p, TASK_INTERRUPTIBLE);
- }
- }
- }
+ wake_up_state(p, TASK_INTERRUPTIBLE);
}
- task_unlock(p);
- return ret;
+
+ return true;
}
static void cancel_freezing(struct task_struct *p)
@@ -156,7 +143,7 @@ static void cancel_freezing(struct task_struct *p)
}
}
-static int try_to_freeze_tasks(int freeze_user_space)
+static int try_to_freeze_tasks(bool sig_only)
{
struct task_struct *g, *p;
unsigned long end_time;
@@ -175,7 +162,7 @@ static int try_to_freeze_tasks(int freeze_user_space)
if (frozen(p) || !freezeable(p))
continue;
- if (!freeze_task(p, freeze_user_space))
+ if (!freeze_task(p, sig_only))
continue;
/*
@@ -235,13 +222,13 @@ int freeze_processes(void)
int error;
printk("Freezing user space processes ... ");
- error = try_to_freeze_tasks(FREEZER_USER_SPACE);
+ error = try_to_freeze_tasks(true);
if (error)
goto Exit;
printk("done.\n");
printk("Freezing remaining freezable tasks ... ");
- error = try_to_freeze_tasks(FREEZER_KERNEL_THREADS);
+ error = try_to_freeze_tasks(false);
if (error)
goto Exit;
printk("done.");
@@ -251,7 +238,7 @@ int freeze_processes(void)
return error;
}
-static void thaw_tasks(int thaw_user_space)
+static void thaw_tasks(bool nosig_only)
{
struct task_struct *g, *p;
@@ -260,7 +247,7 @@ static void thaw_tasks(int thaw_user_space)
if (!freezeable(p))
continue;
- if (!p->mm == thaw_user_space)
+ if (nosig_only && should_send_signal(p))
continue;
thaw_process(p);
@@ -271,8 +258,8 @@ static void thaw_tasks(int thaw_user_space)
void thaw_processes(void)
{
printk("Restarting tasks ... ");
- thaw_tasks(FREEZER_KERNEL_THREADS);
- thaw_tasks(FREEZER_USER_SPACE);
+ thaw_tasks(true);
+ thaw_tasks(false);
schedule();
printk("done.\n");
}
diff --git a/kernel/power/user.c b/kernel/power/user.c
index f5512cb3aa86f61e98caec04c82a01a0dc9f6dcf..a6332a3132620b4563e3be8a0fbfb9639b1e5405 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -23,6 +23,7 @@
#include <linux/console.h>
#include <linux/cpu.h>
#include <linux/freezer.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
@@ -69,16 +70,22 @@ static int snapshot_open(struct inode *inode, struct file *filp)
struct snapshot_data *data;
int error;
- if (!atomic_add_unless(&snapshot_device_available, -1, 0))
- return -EBUSY;
+ mutex_lock(&pm_mutex);
+
+ if (!atomic_add_unless(&snapshot_device_available, -1, 0)) {
+ error = -EBUSY;
+ goto Unlock;
+ }
if ((filp->f_flags & O_ACCMODE) == O_RDWR) {
atomic_inc(&snapshot_device_available);
- return -ENOSYS;
+ error = -ENOSYS;
+ goto Unlock;
}
if(create_basic_memory_bitmaps()) {
atomic_inc(&snapshot_device_available);
- return -ENOMEM;
+ error = -ENOMEM;
+ goto Unlock;
}
nonseekable_open(inode, filp);
data = &snapshot_state;
@@ -98,33 +105,36 @@ static int snapshot_open(struct inode *inode, struct file *filp)
if (error)
pm_notifier_call_chain(PM_POST_HIBERNATION);
}
- if (error) {
+ if (error)
atomic_inc(&snapshot_device_available);
- return error;
- }
data->frozen = 0;
data->ready = 0;
data->platform_support = 0;
- return 0;
+ Unlock:
+ mutex_unlock(&pm_mutex);
+
+ return error;
}
static int snapshot_release(struct inode *inode, struct file *filp)
{
struct snapshot_data *data;
+ mutex_lock(&pm_mutex);
+
swsusp_free();
free_basic_memory_bitmaps();
data = filp->private_data;
free_all_swap_pages(data->swap);
- if (data->frozen) {
- mutex_lock(&pm_mutex);
+ if (data->frozen)
thaw_processes();
- mutex_unlock(&pm_mutex);
- }
pm_notifier_call_chain(data->mode == O_WRONLY ?
PM_POST_HIBERNATION : PM_POST_RESTORE);
atomic_inc(&snapshot_device_available);
+
+ mutex_unlock(&pm_mutex);
+
return 0;
}
@@ -134,9 +144,13 @@ static ssize_t snapshot_read(struct file *filp, char __user *buf,
struct snapshot_data *data;
ssize_t res;
+ mutex_lock(&pm_mutex);
+
data = filp->private_data;
- if (!data->ready)
- return -ENODATA;
+ if (!data->ready) {
+ res = -ENODATA;
+ goto Unlock;
+ }
res = snapshot_read_next(&data->handle, count);
if (res > 0) {
if (copy_to_user(buf, data_of(data->handle), res))
@@ -144,6 +158,10 @@ static ssize_t snapshot_read(struct file *filp, char __user *buf,
else
*offp = data->handle.offset;
}
+
+ Unlock:
+ mutex_unlock(&pm_mutex);
+
return res;
}
@@ -153,6 +171,8 @@ static ssize_t snapshot_write(struct file *filp, const char __user *buf,
struct snapshot_data *data;
ssize_t res;
+ mutex_lock(&pm_mutex);
+
data = filp->private_data;
res = snapshot_write_next(&data->handle, count);
if (res > 0) {
@@ -161,11 +181,14 @@ static ssize_t snapshot_write(struct file *filp, const char __user *buf,
else
*offp = data->handle.offset;
}
+
+ mutex_unlock(&pm_mutex);
+
return res;
}
-static int snapshot_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long snapshot_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
int error = 0;
struct snapshot_data *data;
@@ -179,6 +202,9 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!mutex_trylock(&pm_mutex))
+ return -EBUSY;
+
data = filp->private_data;
switch (cmd) {
@@ -186,7 +212,6 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
case SNAPSHOT_FREEZE:
if (data->frozen)
break;
- mutex_lock(&pm_mutex);
printk("Syncing filesystems ... ");
sys_sync();
printk("done.\n");
@@ -194,7 +219,6 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
error = freeze_processes();
if (error)
thaw_processes();
- mutex_unlock(&pm_mutex);
if (!error)
data->frozen = 1;
break;
@@ -202,9 +226,7 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
case SNAPSHOT_UNFREEZE:
if (!data->frozen || data->ready)
break;
- mutex_lock(&pm_mutex);
thaw_processes();
- mutex_unlock(&pm_mutex);
data->frozen = 0;
break;
@@ -307,16 +329,11 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
error = -EPERM;
break;
}
- if (!mutex_trylock(&pm_mutex)) {
- error = -EBUSY;
- break;
- }
/*
* Tasks are frozen and the notifiers have been called with
* PM_HIBERNATION_PREPARE
*/
error = suspend_devices_and_enter(PM_SUSPEND_MEM);
- mutex_unlock(&pm_mutex);
break;
case SNAPSHOT_PLATFORM_SUPPORT:
@@ -390,6 +407,8 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
}
+ mutex_unlock(&pm_mutex);
+
return error;
}
@@ -399,7 +418,7 @@ static const struct file_operations snapshot_fops = {
.read = snapshot_read,
.write = snapshot_write,
.llseek = no_llseek,
- .ioctl = snapshot_ioctl,
+ .unlocked_ioctl = snapshot_ioctl,
};
static struct miscdevice snapshot_device = {