linux-kernel - Re: [PATCH 2/2] backlight: Add Kinetic KTD2801 driver

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Message-ID: <202310190928.NGF81Cxq-lkp@intel.com>
Date:   Thu, 19 Oct 2023 09:14:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Duje Mihanović <duje.mihanovic@...le.hr>,
        Lee Jones <lee@...nel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>, Pavel Machek <pavel@....cz>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Helge Deller <deller@....de>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Karel Balej <balejk@...fyz.cz>,
        dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fbdev@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Duje Mihanović <duje.mihanovic@...le.hr>
Subject: Re: [PATCH 2/2] backlight: Add Kinetic KTD2801 driver

Hi Duje,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa]

url:    https://github.com/intel-lab-lkp/linux/commits/Duje-Mihanovi/dt-bindings-backlight-add-Kinetic-KTD2801-binding/20231006-025106
base:   8a749fd1a8720d4619c91c8b6e7528c0a355c0aa
patch link:    https://lore.kernel.org/r/20231005-ktd2801-v1-2-43cd85b0629a%40skole.hr
patch subject: [PATCH 2/2] backlight: Add Kinetic KTD2801 driver
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20231019/202310190928.NGF81Cxq-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231019/202310190928.NGF81Cxq-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/202310190928.NGF81Cxq-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/video/backlight/ktd2801-backlight.c:15:9: warning: 'DS' macro redefined [-Wmacro-redefined]
   #define DS              5
           ^
   arch/x86/include/uapi/asm/ptrace-abi.h:14:9: note: previous definition is here
   #define DS 7
           ^
   1 warning generated.


vim +/DS +15 drivers/video/backlight/ktd2801-backlight.c

     8	
     9	#define EW_DELAY	150
    10	#define EW_DET		270
    11	#define LOW_BIT_HIGH	5
    12	#define LOW_BIT_LOW	(4 * HIGH_BIT_LOW)
    13	#define HIGH_BIT_LOW	5
    14	#define HIGH_BIT_HIGH	(4 * HIGH_BIT_LOW)
  > 15	#define DS		5
    16	#define EOD_L		10
    17	#define EOD_H		350
    18	#define PWR_DOWN_DELAY	2600
    19	

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