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authorBob Moore <robert.moore@intel.com>2009-05-21 10:56:52 +0800
committerLen Brown <len.brown@intel.com>2009-05-27 00:35:51 -0400
commitf5407af3f271ed4cd6655cf30d419d77e0f8bfaa (patch)
tree29373e219227c025111e3e72adbfc8896362c193 /drivers/acpi/acpica/exfldio.c
parent3c59f96081259358d9d5d677f4839c36391806b6 (diff)
ACPICA: Simplify internal operation region interface
Changed address parameter to a simple offset. This removes the need for the caller to access the region object to obtain the physical address. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/exfldio.c')
-rw-r--r--drivers/acpi/acpica/exfldio.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index 99cee61e655..d4075b82102 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -222,7 +222,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
{
acpi_status status;
union acpi_operand_object *rgn_desc;
- acpi_physical_address address;
+ u32 region_offset;
ACPI_FUNCTION_TRACE(ex_access_region);
@@ -243,7 +243,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
* 3) The current offset into the field
*/
rgn_desc = obj_desc->common_field.region_obj;
- address = rgn_desc->region.address +
+ region_offset =
obj_desc->common_field.base_byte_offset + field_datum_byte_offset;
if ((function & ACPI_IO_MASK) == ACPI_READ) {
@@ -260,16 +260,18 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
obj_desc->common_field.access_byte_width,
obj_desc->common_field.base_byte_offset,
field_datum_byte_offset, ACPI_CAST_PTR(void,
- address)));
+ (rgn_desc->
+ region.
+ address +
+ region_offset))));
/* Invoke the appropriate address_space/op_region handler */
- status = acpi_ev_address_space_dispatch(rgn_desc, function,
- address,
- ACPI_MUL_8(obj_desc->
- common_field.
- access_byte_width),
- value);
+ status =
+ acpi_ev_address_space_dispatch(rgn_desc, function, region_offset,
+ ACPI_MUL_8(obj_desc->common_field.
+ access_byte_width),
+ value);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_IMPLEMENTED) {