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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>
hifive-unleashed-5.1
Rafael J. Wysocki 2018-05-25 10:30:35 +02:00
parent 67b8d5c708
commit 745364533e
3 changed files with 29 additions and 0 deletions
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6
drivers/acpi/acpica/evgpe.c
View File

@ -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;

22
drivers/acpi/acpica/evxfgpe.c
View File

@ -637,6 +637,28 @@ unlock_and_exit:
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

1
include/acpi/acpixf.h
View File

@ -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))