From 53f11d4ff8797bcceaf014e62bd39f16ce84baec Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 5 Dec 2005 16:46:36 -0500
Subject: [PATCH] [ACPI] Enable Embedded Controller (EC) interrupt mode by
default
"ec_intr=0" reverts to polling
"ec_burst=" no longer exists.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Luming Yu <luming.yu@intel.com>
---
Documentation/kernel-parameters.txt | 5 +++++
drivers/acpi/ec.c | 6 +++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5dffcfefc3c71..2ad64efdf1833 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -452,6 +452,11 @@ running once the system is up.
eata= [HW,SCSI]
+ ec_intr= [HW,ACPI] ACPI Embedded Controller interrupt mode
+ Format: <int>
+ 0: polling mode
+ non-0: interrupt mode (default)
+
eda= [HW,PS2]
edb= [HW,PS2]
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index bb3963b49a981..d4366ad4edcdf 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -73,7 +73,7 @@ static struct acpi_driver acpi_ec_driver = {
.class = ACPI_EC_CLASS,
.ids = ACPI_EC_HID,
.ops = {
- .add = acpi_ec_poll_add,
+ .add = acpi_ec_intr_add,
.remove = acpi_ec_remove,
.start = acpi_ec_start,
.stop = acpi_ec_stop,
@@ -147,7 +147,7 @@ static union acpi_ec *ec_ecdt;
/* External interfaces use first EC only, so remember */
static struct acpi_device *first_ec;
-static int acpi_ec_poll_mode = EC_POLL;
+static int acpi_ec_poll_mode = EC_INTR;
/* --------------------------------------------------------------------------
Transaction Management
@@ -1594,4 +1594,4 @@ static int __init acpi_ec_set_intr_mode(char *str)
return 0;
}
-__setup("ec_burst=", acpi_ec_set_intr_mode);
+__setup("ec_intr=", acpi_ec_set_intr_mode);
--
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