linux-kernel - Re: [PATCH RESEND] drm: pl111: replace dev_* print functions with drm

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Message-ID: <202511241619.k8AiBZLh-lkp@intel.com>
Date: Mon, 24 Nov 2025 16:27:40 +0800
From: kernel test robot <lkp@...el.com>
To: Eslam Khafagy <eslam.medhat1993@...il.com>, linus.walleij@...aro.org,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Eslam Khafagy <eslam.medhat1993@...il.com>
Subject: Re: [PATCH RESEND] drm: pl111: replace dev_* print functions with
 drm_* variants

Hi Eslam,

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 v6.18-rc7 next-20251121]
[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/Eslam-Khafagy/drm-pl111-replace-dev_-print-functions-with-drm_-variants/20251122-085225
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20251122004951.567753-1-eslam.medhat1993%40gmail.com
patch subject: [PATCH RESEND] drm: pl111: replace dev_* print functions with drm_* variants
config: arm-nhk8815_defconfig (https://download.01.org/0day-ci/archive/20251124/202511241619.k8AiBZLh-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251124/202511241619.k8AiBZLh-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/202511241619.k8AiBZLh-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/pl111/pl111_nomadik.c:7:
>> drivers/gpu/drm/pl111/pl111_nomadik.h:11:32: warning: declaration of 'struct drm_device' will not be visible outside of this function [-Wvisibility]
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |                                ^
>> drivers/gpu/drm/pl111/pl111_nomadik.c:12:32: warning: declaration of 'struct drm_device' will not be visible outside of this function [-Wvisibility]
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |                                ^
   drivers/gpu/drm/pl111/pl111_nomadik.c:12:6: error: conflicting types for 'pl111_nomadik_init'
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |      ^
   drivers/gpu/drm/pl111/pl111_nomadik.h:11:6: note: previous declaration is here
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |      ^
   drivers/gpu/drm/pl111/pl111_nomadik.c:34:2: error: call to undeclared function 'drm_info'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      34 |         drm_info(dev, "set Nomadik PMU mux to CLCD mode\n");
         |         ^
   2 warnings and 2 errors generated.


vim +11 drivers/gpu/drm/pl111/pl111_nomadik.h

    10	
  > 11	void pl111_nomadik_init(struct drm_device *dev);
    12	

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