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authorLv Zheng <lv.zheng@intel.com>2015-07-23 12:52:18 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-07-23 23:09:06 +0200
commit950a429cd21638b0c076d135ed279518b21f452b (patch)
treef6972bab43c7da5ca66c5e2e88c2b54b99c19ac3 /drivers/acpi/acpica/aclocal.h
parent83482f758b0d2d6a20a10be88399da44aa186aed (diff)
downloadlinux-linaro-stable-950a429cd21638b0c076d135ed279518b21f452b.tar.gz
ACPICA: Parser: Cleanup aml_offset in union acpi_operand_object
ACPICA commit 61b360074fde2bb8282722579410f5d1fb12f84d This patch converts aml_offset in union acpi_operand_object to AML address. AML offset is actually only used by the debugger, using AML address is more direct and efficient during the parsing stage so that we don't need to calculate the offset during the parsing stage and will not have difficulities in converting it into other offset attributes. Sometimes, aml_offset is not an indication of the offset from the table header but the offset from the entry of a list of terms, which requires additional efforts to convert it into an offset from the table header. By using AML address directly, there is no such difficulty. Thus this patch also deletes a logic in disassembler that is trying to convert the aml_offset from "offset from the start address of Method/Package/Buffer" into the "offset from the start address of the ACPI table" (Sample code deletion can be seen in acpi_dm_deferred_parse(), but the function is not in the Linux kernel). Lv Zheng. Link: https://github.com/acpica/acpica/commit/61b36007 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/aclocal.h')
-rw-r--r--drivers/acpi/acpica/aclocal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index bc600969c6a1..607e62897aff 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -726,7 +726,7 @@ union acpi_parse_value {
u8 descriptor_type; /* To differentiate various internal objs */\
u8 flags; /* Type of Op */\
u16 aml_opcode; /* AML opcode */\
- u32 aml_offset; /* Offset of declaration in AML */\
+ u8 *aml; /* Address of declaration in AML */\
union acpi_parse_object *next; /* Next op */\
struct acpi_namespace_node *node; /* For use by interpreter */\
union acpi_parse_value value; /* Value or args associated with the opcode */\