diff options
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 |