[PATCH 18/50] ACPI 5.0: Allow _AEI method in walk resources
From: Len Brown <lenb@kernel.org>
Date: 2012-01-17 12:29:22
Also in:
linux-acpi, lkml
Subsystem:
acpi, acpi component architecture (acpica), the rest · Maintainers:
"Rafael J. Wysocki", Saket Dumbre, Linus Torvalds
From: Zhang Rui <rui.zhang@intel.com> _AEI contains a resource template, this change adds support for the walk resources function. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Bob Moore <redacted> Signed-off-by: Lin Ming <redacted> Signed-off-by: Len Brown <redacted> --- drivers/acpi/acpica/rsxface.c | 10 ++++++---- include/acpi/acnames.h | 1 + 2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 45a9e5e..f6cceac 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c@@ -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);
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index fc1575f..5b5af0d 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h@@ -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"
--
1.7.9.rc1