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ACPI / ACPICA: Use helper function for computing GPE masks

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In quite a few places ACPICA needs to compute a GPE enable mask with
only one bit, corresponding to a given GPE, set.  Currently, that
computation is always open coded which leads to unnecessary code
duplication.  Fix this by introducing a helper function for computing
one-bit GPE enable masks and using it where appropriate.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Rafael J. Wysocki
2010-06-08 10:48:26 +02:00
committed by Len Brown
parent a997ab3328
commit e4e9a73599
3 changed files with 46 additions and 16 deletions
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7
drivers/acpi/acpica/evgpe.c
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@@ -69,7 +69,7 @@ acpi_status
acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
u8 register_bit;
u32 register_bit;
ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
@@ -78,9 +78,8 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
return_ACPI_STATUS(AE_NOT_EXIST);
}
register_bit = (u8)
(1 <<
(gpe_event_info->gpe_number - gpe_register_info->base_gpe_number));
register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
gpe_register_info);
/* Clear the wake/run bits up front */