diff options
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 006b31a56559..109c3f8ae7df 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1042,12 +1042,12 @@ void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags) * * FUNCTION: acpi_os_create_cache * - * PARAMETERS: CacheName - Ascii name for the cache - * ObjectSize - Size of each cached object - * MaxDepth - Maximum depth of the cache (in objects) - * ReturnCache - Where the new cache object is returned + * PARAMETERS: name - Ascii name for the cache + * size - Size of each cached object + * depth - Maximum depth of the cache (in objects) <ignored> + * cache - Where the new cache object is returned * - * RETURN: Status + * RETURN: status * * DESCRIPTION: Create a cache object * @@ -1057,7 +1057,10 @@ acpi_status acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache) { *cache = kmem_cache_create(name, size, 0, 0, NULL, NULL); - return AE_OK; + if (cache == NULL) + return AE_ERROR; + else + return AE_OK; } /******************************************************************************* @@ -1137,4 +1140,52 @@ void *acpi_os_acquire_object(acpi_cache_t * cache) return object; } +/****************************************************************************** + * + * FUNCTION: acpi_os_validate_interface + * + * PARAMETERS: interface - Requested interface to be validated + * + * RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise + * + * DESCRIPTION: Match an interface string to the interfaces supported by the + * host. Strings originate from an AML call to the _OSI method. + * + *****************************************************************************/ + +acpi_status +acpi_os_validate_interface (char *interface) +{ + + return AE_SUPPORT; +} + + +/****************************************************************************** + * + * FUNCTION: acpi_os_validate_address + * + * PARAMETERS: space_id - ACPI space ID + * address - Physical address + * length - Address length + * + * RETURN: AE_OK if address/length is valid for the space_id. Otherwise, + * should return AE_AML_ILLEGAL_ADDRESS. + * + * DESCRIPTION: Validate a system address via the host OS. Used to validate + * the addresses accessed by AML operation regions. + * + *****************************************************************************/ + +acpi_status +acpi_os_validate_address ( + u8 space_id, + acpi_physical_address address, + acpi_size length) +{ + + return AE_OK; +} + + #endif |