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Commit 74536453 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

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: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 67b8d5c7

drivers/acpi/acpica/evgpe.c

+6 −0
Original line number Diff line number Diff line
@@ -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;

drivers/acpi/acpica/evxfgpe.c

+22 −0
Original line number Diff line number Diff line
@@ -637,6 +637,28 @@ acpi_get_gpe_status(acpi_handle gpe_device, 


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

include/acpi/acpixf.h

+1 −0
Original line number Diff line number Diff line
@@ -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))