CACHE_FIRMWARE(9) Device drivers infrastructure CACHE_FIRMWARE(9)
NAME
cache_firmware - cache one firmware image in kernel memory space
SYNOPSIS
int cache_firmware(const char * fw_name);
ARGUMENTS
fw_name
the firmware image name
DESCRIPTION
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
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 CACHE_FIRMWARE(9)
