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authorJiri Kosina <jkosina@suse.cz>2011-05-18 17:06:31 +0200
committerJiri Kosina <jkosina@suse.cz>2011-05-18 17:06:49 +0200
commit6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch)
treef2f77cc31b4548745778fca6a51b09e1d8a49804 /drivers/acpi/acpica/evgpe.c
parentb50f315cbb865079a16a12fd9ae6083f98fd592c (diff)
parentc1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff)
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition that went in through input tree.
Diffstat (limited to 'drivers/acpi/acpica/evgpe.c')
-rw-r--r--drivers/acpi/acpica/evgpe.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index f4725212eb4..65c79add3b1 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -373,6 +373,15 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
gpe_register_info = &gpe_block->register_info[i];
+ /*
+ * Optimization: If there are no GPEs enabled within this
+ * register, we can safely ignore the entire register.
+ */
+ if (!(gpe_register_info->enable_for_run |
+ gpe_register_info->enable_for_wake)) {
+ continue;
+ }
+
/* Read the Status Register */
status =