linux-kernel - [pinchartl-media:drm/du/v3u/dsi 2/2] drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:100:2: warning: this decimal constant is unsigned only in ISO C90

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Message-ID: <202107302328.VkiGa4tg-lkp@intel.com>
Date:   Fri, 30 Jul 2021 23:37:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     LUU HOAI <hoai.luu.ub@...esas.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Subject: [pinchartl-media:drm/du/v3u/dsi 2/2]
 drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:100:2: warning: this decimal
 constant is unsigned only in ISO C90

tree:   git://linuxtv.org/pinchartl/media.git drm/du/v3u/dsi
head:   c1767bf9d706b9a7ff9ab8fae052fc72397648f4
commit: c1767bf9d706b9a7ff9ab8fae052fc72397648f4 [2/2] drm: rcar-du: Add R-Car DSI driver
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add pinchartl-media git://linuxtv.org/pinchartl/media.git
        git fetch --no-tags pinchartl-media drm/du/v3u/dsi
        git checkout c1767bf9d706b9a7ff9ab8fae052fc72397648f4
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/rcar-du/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:100:2: warning: this decimal constant is unsigned only in ISO C90
     100 |  { 2100000000, 0x41 }, { 2150000000, 0x42 }, { 2200000000, 0x43 },
         |  ^
>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:100:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:101:2: warning: this decimal constant is unsigned only in ISO C90
     101 |  { 2250000000, 0x44 }, { 2300000000, 0x45 }, { 2350000000, 0x46 },
         |  ^
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:101:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:101:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:102:2: warning: this decimal constant is unsigned only in ISO C90
     102 |  { 2400000000, 0x47 }, { 2450000000, 0x48 }, { 2500000000, 0x49 },
         |  ^
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:102:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:102:2: warning: this decimal constant is unsigned only in ISO C90


vim +100 drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c

    80	
    81	static const u32 hsfreqrange_table[][2] = {
    82		{ 80000000,   0x00 }, { 90000000,   0x10 }, { 100000000,  0x20 },
    83		{ 110000000,  0x30 }, { 120000000,  0x01 }, { 130000000,  0x11 },
    84		{ 140000000,  0x21 }, { 150000000,  0x31 }, { 160000000,  0x02 },
    85		{ 170000000,  0x12 }, { 180000000,  0x22 }, { 190000000,  0x32 },
    86		{ 205000000,  0x03 }, { 220000000,  0x13 }, { 235000000,  0x23 },
    87		{ 250000000,  0x33 }, { 275000000,  0x04 }, { 300000000,  0x14 },
    88		{ 325000000,  0x25 }, { 350000000,  0x35 }, { 400000000,  0x05 },
    89		{ 450000000,  0x16 }, { 500000000,  0x26 }, { 550000000,  0x37 },
    90		{ 600000000,  0x07 }, { 650000000,  0x18 }, { 700000000,  0x28 },
    91		{ 750000000,  0x39 }, { 800000000,  0x09 }, { 850000000,  0x19 },
    92		{ 900000000,  0x29 }, { 950000000,  0x3a }, { 1000000000, 0x0a },
    93		{ 1050000000, 0x1a }, { 1100000000, 0x2a }, { 1150000000, 0x3b },
    94		{ 1200000000, 0x0b }, { 1250000000, 0x1b }, { 1300000000, 0x2b },
    95		{ 1350000000, 0x3c }, { 1400000000, 0x0c }, { 1450000000, 0x1c },
    96		{ 1500000000, 0x2c }, { 1550000000, 0x3d }, { 1600000000, 0x0d },
    97		{ 1650000000, 0x1d }, { 1700000000, 0x2e }, { 1750000000, 0x3e },
    98		{ 1800000000, 0x0e }, { 1850000000, 0x1e }, { 1900000000, 0x2f },
    99		{ 1950000000, 0x3f }, { 2000000000, 0x0f }, { 2050000000, 0x40 },
 > 100		{ 2100000000, 0x41 }, { 2150000000, 0x42 }, { 2200000000, 0x43 },
   101		{ 2250000000, 0x44 }, { 2300000000, 0x45 }, { 2350000000, 0x46 },
   102		{ 2400000000, 0x47 }, { 2450000000, 0x48 }, { 2500000000, 0x49 },
   103		{ /* sentinel */ },
   104	};
   105	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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