diff options
| author |   Lv Zheng <lv.zheng@intel.com> | 2012-12-19 05:38:24 +0000 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-01-10 12:36:19 +0100 |
| commit | 57bf6aefc2b9c89b89bb3fca54725ceea797bb63 (patch) | |
| tree | 359d9e7f1ec3203cf3f8d25eaeec5d6c2f9f549b /drivers/acpi/acpica/acmacros.h | |
| parent | ACPICA: Add macros to extract flag bits from resource descriptors. (diff) | |
| download | linux-dev-57bf6aefc2b9c89b89bb3fca54725ceea797bb63.tar.xz linux-dev-57bf6aefc2b9c89b89bb3fca54725ceea797bb63.zip | |
ACPICA: Enhance the ACPI_GETx and ACPI_SETx macros.
Improve the implementation of the macros. Change the SETx macros
to the style of (destination, source). Also add ACPI_CASTx
companion macros. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/acmacros.h')
| -rw-r--r-- | drivers/acpi/acpica/acmacros.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index 1fa91f1d8994..3ba11d23cba0 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -49,14 +49,18 @@ * get into potential aligment issues -- see the STORE macros below. * Use with care. */ -#define ACPI_GET8(ptr) *ACPI_CAST_PTR (u8, ptr) -#define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr) -#define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr) -#define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr) -#define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr) -#define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr) -#define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr) -#define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr) +#define ACPI_CAST8(ptr) ACPI_CAST_PTR (u8, (ptr)) +#define ACPI_CAST16(ptr) ACPI_CAST_PTR (u16, (ptr)) +#define ACPI_CAST32(ptr) ACPI_CAST_PTR (u32, (ptr)) +#define ACPI_CAST64(ptr) ACPI_CAST_PTR (u64, (ptr)) +#define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr)) +#define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr)) +#define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr)) +#define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr)) +#define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (u8) (val)) +#define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (u16) (val)) +#define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (u32) (val)) +#define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (u64) (val)) /* * printf() format helpers |