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authorAlexey Starikovskiy <astarikovskiy@suse.de>2008-11-13 09:00:03 (GMT)
committerLen Brown <len.brown@intel.com>2008-11-26 22:16:45 (GMT)
commit7b4d469228a92a00e412675817cedd60133de38a (patch)
tree33e9aace585f7fc176c55e925c1e602b8fa3f56d /drivers/acpi/ec.c
parented313489badef16d700f5a3be50e8fd8f8294bc8 (diff)
downloadlinux-7b4d469228a92a00e412675817cedd60133de38a.tar.xz
ACPI: EC: count interrupts only if called from interrupt handler.
fix 2.6.28 EC interrupt storm regression Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r--drivers/acpi/ec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index cf41f9f..30f3ef2 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -219,7 +219,8 @@ static void gpe_transaction(struct acpi_ec *ec, u8 status)
goto unlock;
err:
/* false interrupt, state didn't change */
- ++ec->curr->irq_count;
+ if (in_interrupt())
+ ++ec->curr->irq_count;
unlock:
spin_unlock_irqrestore(&ec->curr_lock, flags);
}