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| author | Bob Moore <robert.moore@intel.com> | 2012-12-31 00:05:17 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-01-10 12:36:19 +0100 |
| commit | 04a81dce13c672757637b759039de216ed29a536 (patch) | |
| tree | 06ce2b5dceb2f1b9cea0e480bb1676810c8f889e /drivers/acpi/acpica/acmacros.h | |
| parent | 528a412c86e7a831d0fd157cac65749b45b64e06 (diff) | |
| download | linux-04a81dce13c672757637b759039de216ed29a536.tar.bz2 | |
ACPICA: Eliminate some small unnecessary pathname functions.
Removed several small pathname functions to increase efficiency.
Essentially, they replace a function call with a single compare.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index 3ba11d23cba0..edfcbc8909ca 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -311,6 +311,12 @@ #define ACPI_EXTRACT_3BIT_FLAG(field, position) (ACPI_GET_3BIT_FLAG ((field) >> position)) #define ACPI_EXTRACT_4BIT_FLAG(field, position) (ACPI_GET_4BIT_FLAG ((field) >> position)) +/* ACPI Pathname helpers */ + +#define ACPI_IS_ROOT_PREFIX(c) ((c) == (u8) 0x5C) /* Backslash */ +#define ACPI_IS_PARENT_PREFIX(c) ((c) == (u8) 0x5E) /* Carat */ +#define ACPI_IS_PATH_SEPARATOR(c) ((c) == (u8) 0x2E) /* Period (dot) */ + /* * An object of type struct acpi_namespace_node can appear in some contexts * where a pointer to an object of type union acpi_operand_object can also |