diff options
| author | Rafael J. Wysocki | 2018-05-25 10:30:35 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki | 2018-05-25 10:30:35 +0200 |
| commit | 745364533e40ec76f7822275d491f5196362e016 (patch) | |
| tree | 8d4b9d26febb4de2832f4bc61cbb067d827bfbce | |
| parent | 67b8d5c7081221efa252e111cd52532ec6d4266f (diff) | |
ACPICA: Introduce acpi_dispatch_gpe()
Introduce acpi_dispatch_gpe() as a wrapper around acpi_ev_detect_gpe()
for checking if the given GPE (as represented by a GPE device handle
and a GPE number) is currently active and dispatching it (if that's
the case) outside of interrupt context.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/acpica/evgpe.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evxfgpe.c | 22 | ||||
| -rw-r--r-- | include/acpi/acpixf.h | 1 |
3 files changed, 29 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index abbd59063906..e10fec99a182 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -634,6 +634,12 @@ acpi_ev_detect_gpe(struct acpi_namespace_node *gpe_device, flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); + if (!gpe_event_info) { + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); + if (!gpe_event_info) + goto error_exit; + } + /* Get the info block for the entire GPE register */ gpe_register_info = gpe_event_info->register_info; diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index c80e3bdf4805..b2d5f66cc1b0 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -639,6 +639,28 @@ ACPI_EXPORT_SYMBOL(acpi_get_gpe_status) /******************************************************************************* * + * FUNCTION: acpi_gispatch_gpe + * + * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 + * gpe_number - GPE level within the GPE block + * + * RETURN: None + * + * DESCRIPTION: Detect and dispatch a General Purpose Event to either a function + * (e.g. EC) or method (e.g. _Lxx/_Exx) handler. + * + ******************************************************************************/ +void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number) +{ + ACPI_FUNCTION_TRACE(acpi_dispatch_gpe); + + acpi_ev_detect_gpe(gpe_device, NULL, gpe_number); +} + +ACPI_EXPORT_SYMBOL(acpi_dispatch_gpe) + +/******************************************************************************* + * * FUNCTION: acpi_finish_gpe * * PARAMETERS: gpe_device - Namespace node for the GPE Block diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index da0215ea9f44..c01d790c17c2 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -753,6 +753,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status u32 gpe_number, acpi_event_status *event_status)) +ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void)) |