linux-kernel - Re: [PATCH 12/21] drm/msm: remove checks for return value of drm

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Date:   Fri, 28 Feb 2020 15:24:22 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Wambui Karuga <wambui.karugax@...il.com>
Cc:     kbuild-all@...ts.01.org, daniel@...ll.ch, airlied@...ux.ie,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org
Subject: Re: [PATCH 12/21] drm/msm: remove checks for return value of
 drm_debugfs functions.

Hi Wambui,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on linus/master v5.6-rc3 next-20200227]
[cannot apply to tegra/for-next anholt/for-next]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Wambui-Karuga/drm-subsytem-wide-debugfs-functions-refactor/20200228-102633
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/msm/adreno/a5xx_gpu.c:1437:19: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
      .debugfs_init = a5xx_debugfs_init,
                      ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/msm/adreno/a5xx_gpu.c:1437:19: note: (near initialization for 'funcs.base.debugfs_init')
   cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/msm/adreno/a5xx_debugfs.c:151:6: error: conflicting types for 'a5xx_debugfs_init'
    void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor)
         ^~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/msm/adreno/a5xx_debugfs.c:12:0:
   drivers/gpu/drm/msm/adreno/a5xx_gpu.h:44:5: note: previous declaration of 'a5xx_debugfs_init' was here
    int a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor);
        ^~~~~~~~~~~~~~~~~

vim +/a5xx_debugfs_init +151 drivers/gpu/drm/msm/adreno/a5xx_debugfs.c

   149	
   150	
 > 151	void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (47164 bytes)