diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/firmware_loader/main.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index abdc4e4d55f1..0943e7065e0e 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -632,6 +632,33 @@ request_firmware(const struct firmware **firmware_p, const char *name, EXPORT_SYMBOL(request_firmware); /** + * firmware_request_nowarn() - request for an optional fw module + * @firmware: pointer to firmware image + * @name: name of firmware file + * @device: device for which firmware is being loaded + * + * This function is similar in behaviour to request_firmware(), except + * it doesn't produce warning messages when the file is not found. + * The sysfs fallback mechanism is enabled if direct filesystem lookup fails, + * however, however failures to find the firmware file with it are still + * suppressed. It is therefore up to the driver to check for the return value + * of this call and to decide when to inform the users of errors. + **/ +int firmware_request_nowarn(const struct firmware **firmware, const char *name, + struct device *device) +{ + int ret; + + /* Need to pin this module until return */ + __module_get(THIS_MODULE); + ret = _request_firmware(firmware, name, device, NULL, 0, + FW_OPT_UEVENT | FW_OPT_NO_WARN); + module_put(THIS_MODULE); + return ret; +} +EXPORT_SYMBOL_GPL(firmware_request_nowarn); + +/** * request_firmware_direct() - load firmware directly without usermode helper * @firmware_p: pointer to firmware image * @name: name of firmware file |