diff options
Diffstat (limited to 'drivers/acpi/executer/exregion.c')
| -rw-r--r-- | drivers/acpi/executer/exregion.c | 15 |
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); } |