From f157cbb1eb9ce3f33a401ec6d20eb3eb852351a3 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@suse.de>
Date: Tue, 26 Sep 2006 10:52:41 +0200
Subject: [PATCH] [PATCH] i386/x86-64: Make all early PCI scans dependent on
CONFIG_PCI
This is useful on systems with broken PCI bus. Affects various
scans in x86-64 and i386's early ACPI quirk scan.
Cc: gregkh@suse.de
Cc: len.brown@intel.com
Cc: Trammell Hudson <hudson@osresearch.net>
Signed-off-by: Andi Kleen <ak@suse.de>
---
arch/i386/kernel/acpi/Makefile | 2 ++
arch/i386/kernel/setup.c | 2 ++
arch/x86_64/Kconfig | 3 ++-
arch/x86_64/kernel/Makefile | 3 ++-
arch/x86_64/kernel/setup.c | 2 ++
5 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
index 7e9ac99354f43..7f7be01f44e66 100644
--- a/arch/i386/kernel/acpi/Makefile
+++ b/arch/i386/kernel/acpi/Makefile
@@ -1,5 +1,7 @@
obj-$(CONFIG_ACPI) += boot.o
+ifneq ($(CONFIG_PCI),)
obj-$(CONFIG_X86_IO_APIC) += earlyquirk.o
+endif
obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index ea17567dbe728..7a99b1369fa24 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1437,9 +1437,11 @@ void __init setup_arch(char **cmdline_p)
acpi_boot_table_init();
#endif
+#ifdef CONFIG_PCI
#ifdef CONFIG_X86_IO_APIC
check_acpi_pci(); /* Checks more than just ACPI actually */
#endif
+#endif
#ifdef CONFIG_ACPI
acpi_boot_init();
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 1f4212605ef8a..c2c68b9023473 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -105,6 +105,7 @@ config X86_PC
config X86_VSMP
bool "Support for ScaleMP vSMP"
+ depends on PCI
help
Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is
supposed to run on these EM64T-based machines. Only choose this option
@@ -291,7 +292,7 @@ config NUMA
config K8_NUMA
bool "Old style AMD Opteron NUMA detection"
- depends on NUMA
+ depends on NUMA && PCI
default y
help
Enable K8 NUMA node topology detection. You should say Y here if
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 000e67e8f0280..2466fbd035ee9 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -8,7 +8,7 @@ obj-y := process.o signal.o entry.o traps.o irq.o \
ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_x86_64.o \
x8664_ksyms.o i387.o syscall.o vsyscall.o \
setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o \
- pci-dma.o pci-nommu.o alternative.o early-quirks.o
+ pci-dma.o pci-nommu.o alternative.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_X86_MCE) += mce.o
@@ -39,6 +39,7 @@ obj-$(CONFIG_K8_NB) += k8.o
obj-$(CONFIG_AUDIT) += audit.o
obj-$(CONFIG_MODULES) += module.o
+obj-$(CONFIG_PCI) += early-quirks.o
obj-y += topology.o
obj-y += intel_cacheinfo.o
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 26524ce3b239a..3d8309b1236ef 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -493,7 +493,9 @@ void __init setup_arch(char **cmdline_p)
paging_init();
+#ifdef CONFIG_PCI
early_quirks();
+#endif
/*
* set this early, so we dont allocate cpu0
--
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