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path: root/drivers/acpi/acpica/rsxface.c
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Diffstat (limited to 'drivers/acpi/acpica/rsxface.c')
-rw-r--r--drivers/acpi/acpica/rsxface.c52
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index fe86b37b16ce..f58c098c7aeb 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -307,6 +307,46 @@ acpi_set_current_resources(acpi_handle device_handle,
ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_event_resources
+ *
+ * PARAMETERS: device_handle - Handle to the device object for the
+ * device we are getting resources
+ * in_buffer - Pointer to a buffer containing the
+ * resources to be set for the device
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to get the event resources for a
+ * specific device. The caller must first acquire a handle for
+ * the desired device. The resource data is passed to the routine
+ * the buffer pointed to by the in_buffer variable. Uses the
+ * _AEI method.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_event_resources(acpi_handle device_handle,
+ struct acpi_buffer *ret_buffer)
+{
+ acpi_status status;
+ struct acpi_namespace_node *node;
+
+ ACPI_FUNCTION_TRACE(acpi_get_event_resources);
+
+ /* Validate parameters then dispatch to internal routine */
+
+ status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ status = acpi_rs_get_aei_method_data(node, ret_buffer);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_event_resources)
+
/******************************************************************************
*
* FUNCTION: acpi_resource_to_address64
@@ -486,8 +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
*
@@ -514,11 +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);