linux-kernel - Re: [PATCH v2 10/37] drm/imx/dcss: Use drm_module_platform

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Message-ID: <202112172338.SdP9K7tX-lkp@intel.com>
Date:   Fri, 17 Dec 2021 23:58:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     kbuild-all@...ts.01.org,
        Laurentiu Palcu <laurentiu.palcu@....nxp.com>,
        Javier Martinez Canillas <javierm@...hat.com>
Subject: Re: [PATCH v2 10/37] drm/imx/dcss: Use drm_module_platform_driver()
 to register the driver

Hi Javier,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20211215]
[also build test ERROR on v5.16-rc5]
[cannot apply to drm/drm-next shawnguo/for-next pinchartl-media/drm/du/next drm-exynos/exynos-drm-next v5.16-rc5 v5.16-rc4 v5.16-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Javier-Martinez-Canillas/drm-Make-drivers-to-honour-the-nomodeset-parameter/20211217-084031
base:    93bf6eee76c0e716f6b32de690b1c52991547bb4
config: arm64-randconfig-r034-20211216 (https://download.01.org/0day-ci/archive/20211217/202112172338.SdP9K7tX-lkp@intel.com/config)
compiler: aarch64-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://github.com/0day-ci/linux/commit/c7b8e02dcec35660bbc9101ae0c1db11e5f7d1ab
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Javier-Martinez-Canillas/drm-Make-drivers-to-honour-the-nomodeset-parameter/20211217-084031
        git checkout c7b8e02dcec35660bbc9101ae0c1db11e5f7d1ab
        # 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=arm64 SHELL=/bin/bash drivers/gpu/drm/imx/dcss/

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

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/imx/dcss/dcss-drv.c:134:1: warning: data definition has no type or storage class
     134 | drm_module_platform_driver(dcss_platform_driver);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/imx/dcss/dcss-drv.c:134:1: error: type defaults to 'int' in declaration of 'drm_module_platform_driver' [-Werror=implicit-int]
>> drivers/gpu/drm/imx/dcss/dcss-drv.c:134:1: warning: parameter names (without types) in function declaration
   drivers/gpu/drm/imx/dcss/dcss-drv.c:124:31: warning: 'dcss_platform_driver' defined but not used [-Wunused-variable]
     124 | static struct platform_driver dcss_platform_driver = {
         |                               ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +134 drivers/gpu/drm/imx/dcss/dcss-drv.c

   133	
 > 134	drm_module_platform_driver(dcss_platform_driver);
   135	

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