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-rw-r--r--drivers/acpi/acpica/acpredef.h13
-rw-r--r--include/acpi/acnames.h1
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index bd08817cafd8..c5bfadf5294a 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -105,6 +105,11 @@
* count = 0 (optional)
* (Used for _DLM)
*
+ * ACPI_PTYPE2_UUID_PAIR: Each subpackage is preceded by a UUID Buffer. The UUID
+ * defines the format of the package. Zero-length parent package is
+ * allowed.
+ * (Used for _DSD)
+ *
*****************************************************************************/
enum acpi_return_package_types {
@@ -117,7 +122,8 @@ enum acpi_return_package_types {
ACPI_PTYPE2_FIXED = 7,
ACPI_PTYPE2_MIN = 8,
ACPI_PTYPE2_REV_FIXED = 9,
- ACPI_PTYPE2_FIX_VAR = 10
+ ACPI_PTYPE2_FIX_VAR = 10,
+ ACPI_PTYPE2_UUID_PAIR = 11
};
/* Support macros for users of the predefined info table */
@@ -436,6 +442,11 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
{{"_DOS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
METHOD_NO_RETURN_VALUE}},
+ {{"_DSD", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Pkgs) each: 1 Buf, 1 Pkg */
+ PACKAGE_INFO(ACPI_PTYPE2_UUID_PAIR, ACPI_RTYPE_BUFFER, 1,
+ ACPI_RTYPE_PACKAGE, 1, 0),
+
{{"_DSM",
METHOD_4ARGS(ACPI_TYPE_BUFFER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER,
ACPI_TYPE_PACKAGE),
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index 3dd6e838dc30..c728113374f5 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -55,6 +55,7 @@
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"
+#define METHOD_NAME__DSD "_DSD"
#define METHOD_NAME__PRS "_PRS"
#define METHOD_NAME__PRT "_PRT"
#define METHOD_NAME__PRW "_PRW"