cache_firmware — cache one firmware image in kernel memory space
int cache_firmware ( | const char * fw_name) ; |
Cache firmware in kernel memory so that drivers can use it when system isn't ready for them to request firmware image from userspace. Once it returns successfully, driver can use request_firmware or its nowait version to get the cached firmware without any interacting with userspace
Return 0 if the firmware image has been cached successfully Return !0 otherwise