diff options
Diffstat (limited to 'include/acpi/actypes.h')
| -rw-r--r-- | include/acpi/actypes.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 1d798abae710..f502d257d494 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -551,6 +551,8 @@ typedef u64 acpi_integer; #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8)) +#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1)) + /******************************************************************************* * * Miscellaneous constants |