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Date:   Tue, 20 Jun 2023 04:47:00 +0800
From:   kernel test robot <lkp@intel.com>
To:     Markus Schneider-Pargmann <msp@baylibre.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>
Cc:     oe-kbuild-all@lists.linux.dev,
        Chun-Jie Chen <chun-jie.chen@mediatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Tinghan Shen <tinghan.shen@mediatek.com>,
        Fabien Parent <parent.f@gmail.com>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org,
        Markus Schneider-Pargmann <msp@baylibre.com>
Subject: Re: [PATCH v5 8/8] soc: mediatek: pm-domains: Add support for MT8365
Message-ID: <202306200439.julbXDpI-lkp@intel.com>
References: <20230619085344.2885311-9-msp@baylibre.com>
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Hi Markus,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on krzk-dt/for-next linus/master v6.4-rc7 next-20230619]
[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/Markus-Schneider-Pargmann/dt-bindings-power-Add-MT8365-power-domains/20230619-165759
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230619085344.2885311-9-msp%40baylibre.com
patch subject: [PATCH v5 8/8] soc: mediatek: pm-domains: Add support for MT8365
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20230620/202306200439.julbXDpI-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230620/202306200439.julbXDpI-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306200439.julbXDpI-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/bits.h:6,
                    from include/linux/bitops.h:6,
                    from include/linux/kernel.h:22,
                    from include/linux/clk.h:13,
                    from drivers/soc/mediatek/mtk-pm-domains.c:5:
>> include/vdso/bits.h:7:33: warning: conversion from 'long unsigned int' to 'unsigned char' changes value from '384' to '128' [-Woverflow]
       7 | #define BIT(nr)                 (UL(1) << (nr))
         |                                 ^
   drivers/soc/mediatek/mtk-pm-domains.h:15:41: note: in expansion of macro 'BIT'
      15 | #define MTK_SCPD_STRICT_BUS_PROTECTION  BIT(8)
         |                                         ^~~
   drivers/soc/mediatek/mt8365-pm-domains.h:69:25: note: in expansion of macro 'MTK_SCPD_STRICT_BUS_PROTECTION'
      69 |                 .caps = MTK_SCPD_STRICT_BUS_PROTECTION | MTK_SCPD_HAS_INFRA_NAO,
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +7 include/vdso/bits.h

3945ff37d2f48d Vincenzo Frascino 2020-03-20  6  
3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7  #define BIT(nr)			(UL(1) << (nr))
cbdb1f163af2bb Andy Shevchenko   2022-11-28  8  #define BIT_ULL(nr)		(ULL(1) << (nr))
3945ff37d2f48d Vincenzo Frascino 2020-03-20  9  

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