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Commit 25169b77 authored by Zhang Rui's avatar Zhang Rui Committed by Len Brown
Browse files

ACPI 5.0: Allow _AEI method in walk resources 



_AEI contains a resource template, this change adds support for
the walk resources function.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 7fce7a4b

drivers/acpi/acpica/rsxface.c

+6 −4
Original line number Diff line number Diff line
@@ -526,8 +526,9 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) 
 *

 * PARAMETERS:  device_handle   - Handle to the device object for the

 *                                device we are querying

 *              Name            - Method name of the resources we want

 *                                (METHOD_NAME__CRS or METHOD_NAME__PRS)

 *              Name            - Method name of the resources we want.

 *                                (METHOD_NAME__CRS, METHOD_NAME__PRS, or

 *                                METHOD_NAME__AEI)

 *              user_function   - Called for each resource

 *              Context         - Passed to user_function

 *
@@ -554,11 +555,12 @@ acpi_walk_resources(acpi_handle device_handle, 


	if (!device_handle || !user_function || !name ||

	    (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&

	     !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) {

	     !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) &&

	     !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) {

		return_ACPI_STATUS(AE_BAD_PARAMETER);

	}



	/* Get the _CRS or _PRS resource list */

	/* Get the _CRS/_PRS/_AEI resource list */



	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;

	status = acpi_rs_get_method_data(device_handle, name, &buffer);

include/acpi/acnames.h

+1 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ 
#define METHOD_NAME__PRT        "_PRT"

#define METHOD_NAME__CRS        "_CRS"

#define METHOD_NAME__PRS        "_PRS"

#define METHOD_NAME__AEI        "_AEI"

#define METHOD_NAME__PRW        "_PRW"

#define METHOD_NAME__SRS        "_SRS"