linux-kernel - Re: [deller-fbdev:for-next 51/51] drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:42: error: use of undeclared identifier 'component_compare_dev'; did you mean 'component_master

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Date:   Wed, 16 Feb 2022 14:40:49 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Helge Deller <deller@....de>
CC:     <llvm@...ts.linux.dev>, <kbuild-all@...ts.01.org>,
        <linux-kernel@...r.kernel.org>, kernel test robot <lkp@...el.com>
Subject: Re: [deller-fbdev:for-next 51/51]
 drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:42: error: use of
 undeclared identifier 'component_compare_dev'; did you mean
 'component_master_del'?

Hi Helge,

Thanks for apply this patch.

Sorry that I didn't Cc you in cover-letter. It depend on [1/23].

To avoid this build fail, Could you help revert this one?

Thanks

On Wed, 2022-02-16 at 13:31 +0800, kernel test robot wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-
> fbdev.git for-next
> head:   61038027aa13351c63b452a0d48c805bab1d2ce9
> commit: 61038027aa13351c63b452a0d48c805bab1d2ce9 [51/51] video:
> fbdev: omapfb: Make use of the helper component_compare_dev
> config: arm-randconfig-c002-20220216 (
> https://download.01.org/0day-ci/archive/20220216/202202161324.Jh1OfqAf-lkp@intel.com/config
> )
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
> 0e628a783b935c70c80815db6c061ec84f884af5)
> 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
>         # install arm cross compiling tool for clang build
>         # apt-get install binutils-arm-linux-gnueabi
>         # 
> https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?id=61038027aa13351c63b452a0d48c805bab1d2ce9
>         git remote add deller-fbdev
> git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git
>         git fetch --no-tags deller-fbdev for-next
>         git checkout 61038027aa13351c63b452a0d48c805bab1d2ce9
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross
> W=1 O=build_dir ARCH=arm SHELL=/bin/bash
> drivers/video/fbdev/omap2/omapfb/dss/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
> > > drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:42: error: use of
> > > undeclared identifier 'component_compare_dev'; did you mean
> > > 'component_master_del'?
> 
>            component_match_add(dev->parent, match,
> component_compare_dev, dev);
>                                                    ^~~~~~~~~~~~~~~~~~
> ~~~
>                                                    component_master_d
> el
>    include/linux/component.h:85:6: note: 'component_master_del'
> declared here
>    void component_master_del(struct device *,
>         ^
>    1 error generated.
> 
> 
> vim +1209 drivers/video/fbdev/omap2/omapfb/dss/dss.c
> 
>   1195	
>   1196	static int dss_add_child_component(struct device *dev,
> void *data)
>   1197	{
>   1198		struct component_match **match = data;
>   1199	
>   1200		/*
>   1201		 * HACK
>   1202		 * We don't have a working driver for rfbi, so
> skip it here always.
>   1203		 * Otherwise dss will never get probed
> successfully, as it will wait
>   1204		 * for rfbi to get probed.
>   1205		 */
>   1206		if (strstr(dev_name(dev), "rfbi"))
>   1207			return 0;
>   1208	
> > 1209		component_match_add(dev->parent, match,
> > component_compare_dev, dev);
> 
>   1210	
>   1211		return 0;
>   1212	}
>   1213	
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org