diff options
Diffstat (limited to 'include/acpi/actypes.h')
| -rw-r--r-- | include/acpi/actypes.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 2fcbaec8b368..dc3bb153420a 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -166,6 +166,7 @@ typedef u64 acpi_physical_address; #define ACPI_SIZE_MAX ACPI_UINT64_MAX #define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */ +#define ACPI_USE_NATIVE_MATH64 /* Has native 64-bit integer support */ /* * In the case of the Itanium Processor Family (IPF), the hardware does not @@ -554,6 +555,13 @@ 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)) +/* + * Algorithm to obtain access bit width. + * Can be used with access_width of struct acpi_generic_address and access_size of + * struct acpi_resource_generic_register. + */ +#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2)) + /******************************************************************************* * * Miscellaneous constants |