diff options
| author | Len Brown <len.brown@intel.com> | 2011-03-18 18:06:08 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-03-18 18:06:08 -0400 |
| commit | 05534c9ffc9d5d950b14de8ba49a7609dc59b0b8 (patch) | |
| tree | 65a01a1e0bc0e28c64fb5105cc763949f5412b4b /drivers/acpi/acpica/evgpe.c | |
| parent | dd87cc53c42f3260b7eb7f60822de0fa9e58af59 (diff) | |
| parent | 589c7a39ae2f2b74fd13ae344ca1dcca61da6bca (diff) | |
Merge branch 'acpica' into release
Diffstat (limited to 'drivers/acpi/acpica/evgpe.c')
| -rw-r--r-- | drivers/acpi/acpica/evgpe.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index f4725212eb48..65c79add3b19 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 = |