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Date:   Mon, 13 Sep 2021 08:56:46 -0700
From:   Luis Chamberlain <mcgrof@kernel.org>
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     kernel test robot <lkp@intel.com>, llvm@lists.linux.dev,
        kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        Borislav Petkov <bp@suse.de>
Subject: Re: [mcgrof-next:20210908-firmware-builtin-v4 2/11]
 drivers/base/firmware_loader/builtin/main.c:36:6: error: no previous
 prototype for function 'firmware_is_builtin'
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References: <202109101524.pjY4q0Dy-lkp@intel.com>
 <YTv817Srt8hoySP5@bombadil.infradead.org>
 <YTwLw+frJLbntgCJ@archlinux-ax161>
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Sender: Luis Chamberlain <mcgrof@infradead.org>
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On Fri, Sep 10, 2021 at 06:52:03PM -0700, Nathan Chancellor wrote:
> 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?

You would think, but nope, its there:

#include "firmware.h"

  Luis