diff options
Diffstat (limited to 'drivers/acpi/acpica/exutils.c')
| -rw-r--r-- | drivers/acpi/acpica/exutils.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index 8ad93146dd32..3993aa5084b6 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -435,4 +435,29 @@ void acpi_ex_integer_to_string(char *out_string, u64 value) } } +/******************************************************************************* + * + * FUNCTION: acpi_is_valid_space_id + * + * PARAMETERS: space_id - ID to be validated + * + * RETURN: TRUE if valid/supported ID. + * + * DESCRIPTION: Validate an operation region space_iD. + * + ******************************************************************************/ + +u8 acpi_is_valid_space_id(u8 space_id) +{ + + if ((space_id >= ACPI_NUM_PREDEFINED_REGIONS) && + (space_id < ACPI_USER_REGION_BEGIN) && + (space_id != ACPI_ADR_SPACE_DATA_TABLE) && + (space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) { + return (FALSE); + } + + return (TRUE); +} + #endif |