On Fri, Sep 10, 2021 at 05:48:23PM -0700, Luis Chamberlain wrote:
> On Fri, Sep 10, 2021 at 03:41:31PM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210908-firmware-builtin-v4
> > head:   1c69d6a17750179d68bcaf6b16f9a08d2e475989
> > commit: 79e9fce20ee88ffe37542a66277628e6c53dde14 [2/11] firmware_loader: formalize built-in firmware API
> > config: hexagon-buildonly-randconfig-r004-20210910 (attached as .config)
> > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 261cbe98c38f8c1ee1a482fe76511110e790f58a)
> > reproduce (this is a W=1 build):
> >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=79e9fce20ee88ffe37542a66277628e6c53dde14
> >         git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
> >         git fetch --no-tags mcgrof-next 20210908-firmware-builtin-v4
> >         git checkout 79e9fce20ee88ffe37542a66277628e6c53dde14
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> > >> drivers/base/firmware_loader/builtin/main.c:36:6: error: no previous prototype for function 'firmware_is_builtin' [-Werror,-Wmissing-prototypes]
> >    bool firmware_is_builtin(const struct firmware *fw)
> 
> This is a lie though its defined on drivers/base/firmware_loader/firmware.h

Unless I am missing something, you don't include the firmware_loader
copy of firmware.h in builtin/main.c (only the linux one)? Isn't that
the source of the warning?

Cheers,
Nathan