Andrew Morton wrote:
matthieu castet <[email protected]> wrote:
What does the call to fw_work->cont(NULL, ...) do?
It tells to the callback that the firmware request fails [1].
Matthieu
[1]
/**
* request_firmware_nowait:
*
* Description:
* Asynchronous variant of request_firmware() for contexts where
* it is not possible to sleep.
*
* @hotplug invokes hotplug event to copy the firmware image if
this flag
* is non-zero else the firmware copy must be done manually.
*
* @cont will be called asynchronously when the firmware request
is over.
*
* @context will be passed over to @cont.
*
* @fw may be %NULL if firmware request fails.
*
**/
int
request_firmware_nowait(
struct module *module, int hotplug,
const char *name, struct device *device, void *context,
void (*cont)(const struct firmware *fw, void *context))
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