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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-18 15:51:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-18 15:51:48 -0800
commit507a03c1cba0e32309223d23d19a1bfc0916c140 (patch)
tree8da15f9c635733948a73bfe35cb50e1195702952 /drivers/acpi/acpica/rsxface.c
parentbe405411f712489f2f780ab085e1069e8fb85f19 (diff)
parent79ba0db69c5887f1ad4ed51d58894e7e889084b0 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
This includes initial support for the recently published ACPI 5.0 spec. In particular, support for the "hardware-reduced" bit that eliminates the dependency on legacy hardware. APEI has patches resulting from testing on real hardware. Plus other random fixes. * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (52 commits) acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec intel_idle: Split up and provide per CPU initialization func ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2 ACPI processor: Remove unneeded cpuidle_unregister_driver call intel idle: Make idle driver more robust intel_idle: Fix a cast to pointer from integer of different size warning in intel_idle ACPI: kernel-parameters.txt : Add intel_idle.max_cstate intel_idle: remove redundant local_irq_disable() call ACPI processor: Fix error path, also remove sysdev link ACPI: processor: fix acpi_get_cpuid for UP processor intel_idle: fix API misuse ACPI APEI: Convert atomicio routines ACPI: Export interfaces for ioremapping/iounmapping ACPI registers ACPI: Fix possible alignment issues with GAS 'address' references ACPI, ia64: Use SRAT table rev to use 8bit or 16/32bit PXM fields (ia64) ACPI, x86: Use SRAT table rev to use 8bit or 32bit PXM fields (x86/x86-64) ACPI: Store SRAT table revision ACPI, APEI, Resolve false conflict between ACPI NVS and APEI ACPI, Record ACPI NVS regions ACPI, APEI, EINJ, Refine the fix of resource conflict ...
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 fe86b37b16c..f58c098c7ae 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);