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authorBob Moore <robert.moore@intel.com>2012-08-17 13:07:54 +0800
committerLen Brown <len.brown@intel.com>2012-09-21 00:26:17 -0400
commitbe030a576854238250d70135644cde6a0ba34b0d (patch)
treea7521a65df5e117ef6aec3fcaa8160be7596a495 /include/acpi/acnames.h
parent4e2f9c278ad84196991fcf6f6646a3e15967fe90 (diff)
ACPICA: Add support for complex _PLD buffers.
_PLD (Physical Location of Device) returns a bit-packed buffer that is difficult to parse. This change adds a new interface, AcpiDecodePldBuffer that parses the buffer into a more usable local struct. Also adds macros to both get and set individual fields within the packed _PLD buffer. Adds a new include file, acbuffer.h - which will be expanded to add structs for other ACPI names that return buffers. ACPICA BZ 954. Emit (in comments) the decoded contents of a static _PLD buffer in order to improve comprehension of this bit-packed buffer. Add multi-endian support to the _PLD decode routine. Deploy the multi-endian macros to extract data from the _PLD buffer. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi/acnames.h')
-rw-r--r--include/acpi/acnames.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index d2f61dd2d72..745dd24e3cb 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -63,6 +63,7 @@
#define METHOD_NAME__PRW "_PRW"
#define METHOD_NAME__SRS "_SRS"
#define METHOD_NAME__CBA "_CBA"
+#define METHOD_NAME__PLD "_PLD"
/* Method names - these methods must appear at the namespace root */