Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a3627f67b1d5ddd8f65eedc2a76da90fbe062530
Commit: a3627f67b1d5ddd8f65eedc2a76da90fbe062530
Parent: f4cb57007662a4ec3c2de3c027900223e0299bdd
Author: Shaohua Li <[EMAIL PROTECTED]>
AuthorDate: Wed Jun 20 09:17:58 2007 +0800
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Fri Feb 1 18:30:55 2008 -0500
ACPI: clear GPE earily in resume to avoid warning
Wakeup GPE hasn't a handler. If system is waked up by such GPE like a
USB hotplug, I saw a lot of error reporting the GPE hasn't handler.
acpi_leave_sleep_state will clear the GPE but it's too late, we should
do it before interrupt is re-enabled.
Signed-off-by: Shaohua Li <[EMAIL PROTECTED]>
Acked-by: Rafael J. Wysocki <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/acpi/sleep/main.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index cbfa058..96d23b3 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -146,6 +146,13 @@ static int acpi_pm_enter(suspend_state_t pm_state)
if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
+ /*
+ * Disable and clear GPE status before interrupt is enabled. Some GPEs
+ * (like wakeup GPE) haven't handler, this can avoid such GPE misfire.
+ * acpi_leave_sleep_state will reenable specific GPEs later
+ */
+ acpi_hw_disable_all_gpes();
+
local_irq_restore(flags);
printk(KERN_DEBUG "Back to C!\n");
-
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