Re: wl1251: NVS firmware data

Ming Lei
2014-12-08T15:18:26Z

On Sat, Dec 6, 2014 at 9:02 PM, Pali Rohár <pali.rohar@gmail.com> wrote:
> On Saturday 06 December 2014 13:49:54 Pavel Machek wrote:

>
> /**
> + * request_firmware_prefer_user: - prefer usermode helper for loading firmware
> + * @firmware_p: pointer to firmware image
> + * @name: name of firmware file
> + * @device: device for which firmware is being loaded
> + *
> + * This function works pretty much like request_firmware(), but it prefer
> + * usermode helper. If usermode helper fails then it fallback to direct access.
> + * Usefull for dynamic or model specific firmware data.
> + **/
> +int request_firmware_prefer_user(const struct firmware **firmware_p,
> + const char *name, struct device *device)
> +{
> + int ret;
> + __module_get(THIS_MODULE);
> + ret = _request_firmware(firmware_p, name, device,
> + FW_OPT_UEVENT | FW_OPT_PREFER_USER);
> + module_put(THIS_MODULE);
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(request_firmware_prefer_user);

I'd like to introduce request_firmware_user() which only requests
firmware from user space, and this way is simpler and more flexible
since we have request_firmware_direct() already.

Thanks,
Ming Lei