diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-15 17:37:07 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-15 17:37:07 -0700 |
commit | 2245ba2a3a975656bb303dfaa115accaa4667083 (patch) | |
tree | cbeb348c43d58461d851907373c34a7b9a985e41 /drivers/acpi/acpica/evgpe.c | |
parent | e2e96c663639a3361bb1a84e666887d308c6c87e (diff) | |
parent | 95ee46aa8698f2000647dfb362400fadbb5807cf (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
gcc-4.6: ACPI: fix unused but set variables in ACPI
ACPI thermal: make procfs I/F depend on CONFIG_ACPI_PROCFS
ACPI video: make procfs I/F depend on CONFIG_ACPI_PROCFS
ACPI processor: remove deprecated ACPI procfs I/F
ACPI power_resource: remove unused procfs I/F
ACPI: remove deprecated ACPI procfs I/F
ACPI: introduce drivers/acpi/sysfs.c
ACPI: introduce module parameter acpi.aml_debug_output
ACPI: introduce drivers/acpi/debugfs.c
ACPI, APEI, ERST debug support
ACPI, APEI, Manage GHES as platform devices
ACPI, APEI, Rename CPER and GHES severity constants
ACPI, APEI, Fix a typo of error path of apei_resources_request
ACPI / ACPICA: Fix reference counting problems with GPE handlers
ACPI: Add the check of ADR flag in course of finding ACPI handle for PCI device
ACPI / Sleep: Drop acpi_suspend_finish()
ACPI / Sleep: Consolidate suspend and hibernation routines
ACPI / Wakeup: Simplify enabling of wakeup devices
ACPI / Sleep: Rework enabling wakeup devices
ACPI / Sleep: Free NVS copy if suspending of devices fails
Fixed up totally buggered "ACPI: fix unused but set variables in ACPI"
patch that doesn't even compile in the merge.
Thanks to Sedat Dilek <sedat.dilek@googlemail.com> for noticing the
breakage before I even pulled. And a big "Grrr.." at Len for not even
bothering to compile the tree before asking me to pull.
Diffstat (limited to 'drivers/acpi/acpica/evgpe.c')
-rw-r--r-- | drivers/acpi/acpica/evgpe.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index 7a6a3e6f4be..f226eac314d 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -137,6 +137,79 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) /******************************************************************************* * + * FUNCTION: acpi_raw_enable_gpe + * + * PARAMETERS: gpe_event_info - GPE to enable + * + * RETURN: Status + * + * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is + * hardware-enabled. + * + ******************************************************************************/ + +acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status = AE_OK; + + if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) { + return_ACPI_STATUS(AE_LIMIT); + } + + gpe_event_info->runtime_count++; + if (gpe_event_info->runtime_count == 1) { + status = acpi_ev_update_gpe_enable_mask(gpe_event_info); + if (ACPI_SUCCESS(status)) { + status = acpi_ev_enable_gpe(gpe_event_info); + } + + if (ACPI_FAILURE(status)) { + gpe_event_info->runtime_count--; + } + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_raw_disable_gpe + * + * PARAMETERS: gpe_event_info - GPE to disable + * + * RETURN: Status + * + * DESCRIPTION: Remove a reference to a GPE. When the last reference is + * removed, the GPE is hardware-disabled. + * + ******************************************************************************/ + +acpi_status acpi_raw_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status = AE_OK; + + if (!gpe_event_info->runtime_count) { + return_ACPI_STATUS(AE_LIMIT); + } + + gpe_event_info->runtime_count--; + if (!gpe_event_info->runtime_count) { + status = acpi_ev_update_gpe_enable_mask(gpe_event_info); + if (ACPI_SUCCESS(status)) { + status = acpi_hw_low_set_gpe(gpe_event_info, + ACPI_GPE_DISABLE); + } + + if (ACPI_FAILURE(status)) { + gpe_event_info->runtime_count++; + } + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_ev_low_get_gpe_info * * PARAMETERS: gpe_number - Raw GPE number |