linux-kernel - Re: [PATCH 2/3] drm/bridge: add lvds controller support for sam9x7

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Message-ID: <202402032248.6puqAuzM-lkp@intel.com>
Date: Sat, 3 Feb 2024 22:20:41 +0800
From: kernel test robot <lkp@...el.com>
To: Dharma Balasubiramani <dharma.b@...rochip.com>,
	manikandan.m@...rochip.com, andrzej.hajda@...el.com,
	neil.armstrong@...aro.org, rfoss@...nel.org,
	Laurent.pinchart@...asonboard.com, jonas@...boo.se,
	jernej.skrabec@...il.com, airlied@...il.com, daniel@...ll.ch,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux4microchip@...rochip.com
Subject: Re: [PATCH 2/3] drm/bridge: add lvds controller support for sam9x7

Hi Dharma,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on linus/master v6.8-rc2 next-20240202]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Dharma-Balasubiramani/dt-bindings-display-bridge-add-sam9x7-lvds-compatible/20240122-163209
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240122082947.21645-3-dharma.b%40microchip.com
patch subject: [PATCH 2/3] drm/bridge: add lvds controller support for sam9x7
config: arm-randconfig-r112-20240203 (https://download.01.org/0day-ci/archive/20240203/202402032248.6puqAuzM-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240203/202402032248.6puqAuzM-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402032248.6puqAuzM-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/bridge/microchip-lvds.c:236:24: sparse: sparse: symbol 'mchp_lvds_driver' was not declared. Should it be static?

vim +/mchp_lvds_driver +236 drivers/gpu/drm/bridge/microchip-lvds.c

   235	
 > 236	struct platform_driver mchp_lvds_driver = {
   237		.probe = mchp_lvds_probe,
   238		.remove = mchp_lvds_remove,
   239		.driver = {
   240			   .name = "microchip-lvds",
   241			   .of_match_table = mchp_lvds_dt_ids,
   242		},
   243	};
   244	module_platform_driver(mchp_lvds_driver);
   245	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki