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path: root/drivers/acpi/executer/exregion.c
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Diffstat (limited to 'drivers/acpi/executer/exregion.c')
-rw-r--r--drivers/acpi/executer/exregion.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 4fba452a5590..3cc97ba48b36 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -477,23 +477,16 @@ acpi_ex_data_table_space_handler(u32 function,
acpi_integer * value,
void *handler_context, void *region_context)
{
- acpi_status status = AE_OK;
- u32 byte_width = ACPI_DIV_8(bit_width);
- u32 i;
- char *logical_addr_ptr;
-
ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
- logical_addr_ptr = ACPI_PHYSADDR_TO_PTR(address);
-
/* Perform the memory read or write */
switch (function) {
case ACPI_READ:
- for (i = 0; i < byte_width; i++) {
- ((char *)value)[i] = logical_addr_ptr[i];
- }
+ ACPI_MEMCPY(ACPI_CAST_PTR(char, value),
+ ACPI_PHYSADDR_TO_PTR(address),
+ ACPI_DIV_8(bit_width));
break;
case ACPI_WRITE:
@@ -502,5 +495,5 @@ acpi_ex_data_table_space_handler(u32 function,
return_ACPI_STATUS(AE_SUPPORT);
}
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(AE_OK);
}