linux-kernel - Re: [deller-fbdev:for-next 51/51] drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:49: error: 'component_compare_dev' undeclared; did you mean 'component_master

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Date:   Wed, 16 Feb 2022 08:15:38 +0100
From:   Helge Deller <deller@....de>
To:     kernel test robot <lkp@...el.com>, Yong Wu <yong.wu@...iatek.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [deller-fbdev:for-next 51/51]
 drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:49: error:
 'component_compare_dev' undeclared; did you mean 'component_master_del'?

On 2/16/22 00:49, 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: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220216/202202160743.MUYvzd9B-lkp@intel.com/config)
> compiler: sh4-linux-gcc (GCC) 11.2.0
> 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/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=gcc-11.2.0 make.cross O=build_dir ARCH=sh 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: In function 'dss_add_child_component':
>>> drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:49: error: 'component_compare_dev' undeclared (first use in this function); did you mean 'component_master_del'?
>     1209 |         component_match_add(dev->parent, match, component_compare_dev, dev);
>          |                                                 ^~~~~~~~~~~~~~~~~~~~~
>          |                                                 component_master_del
>    drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:49: note: each undeclared identifier is reported only once for each function it appears in

Fixed now. I've dropped that patch.

Helge