linux-kernel - Re: [PATCH v5 2/4] drm/bridge: add Microchip DSI controller support for sam9x7 SoC series

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Message-ID: <202411091737.48zajeBW-lkp@intel.com>
Date: Sat, 9 Nov 2024 17:23:07 +0800
From: kernel test robot <lkp@...el.com>
To: Manikandan Muralidharan <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,
	simona@...ll.ch, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, linux@...linux.org.uk,
	nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
	claudiu.beznea@...on.dev, varshini.rajendran@...rochip.com,
	dharma.b@...rochip.com, arnd@...db.de,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, manikandan.m@...rochip.com
Subject: Re: [PATCH v5 2/4] drm/bridge: add Microchip DSI controller support
 for sam9x7 SoC series

Hi Manikandan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on drm-misc/drm-misc-next linus/master v6.12-rc6 next-20241108]
[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/Manikandan-Muralidharan/dt-bindings-display-bridge-add-sam9x75-mipi-dsi-binding/20241106-173638
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20241106093429.157131-3-manikandan.m%40microchip.com
patch subject: [PATCH v5 2/4] drm/bridge: add Microchip DSI controller support for sam9x7 SoC series
config: nios2-randconfig-r133-20241109 (https://download.01.org/0day-ci/archive/20241109/202411091737.48zajeBW-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241109/202411091737.48zajeBW-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/202411091737.48zajeBW-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/bridge/dw-mipi-dsi-mchp.c:532:24: sparse: sparse: symbol 'dw_mipi_dsi_mchp_driver' was not declared. Should it be static?

vim +/dw_mipi_dsi_mchp_driver +532 drivers/gpu/drm/bridge/dw-mipi-dsi-mchp.c

   531	
 > 532	struct platform_driver dw_mipi_dsi_mchp_driver = {
   533		.probe		= dw_mipi_dsi_mchp_probe,
   534		.remove		= dw_mipi_dsi_mchp_remove,
   535		.driver		= {
   536			.of_match_table = dw_mipi_dsi_mchp_dt_ids,
   537			.name		= "dw-mipi-dsi-mchp",
   538			.pm		= &dw_mipi_dsi_mchp_pm_ops,
   539		},
   540	};
   541	module_platform_driver(dw_mipi_dsi_mchp_driver);
   542	

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