[pinchartl-media:media/drm/du/v3u 16/28] drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:95:2: warning: this decimal constant is unsigned only in ISO C90

[pinchartl-media:media/drm/du/v3u 16/28] drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:95:2: warning: this decimal constant is unsigned only in ISO C90

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 4333 bytes --]

tree:   git://linuxtv.org/pinchartl/media.git media/drm/du/v3u
head:   897fa921c2e92514cb1a6d9395d5d70d254cd3d0
commit: c6b5acb07fd4b8e0ca566e64b688c17126b80e90 [16/28] drm: rcar-du: Add R-Car DSI driver
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
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 media/drm/du/v3u
        git checkout c6b5acb07fd4b8e0ca566e64b688c17126b80e90
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:95:2: warning: this decimal constant is unsigned only in ISO C90
      95 |  {2100000000, 0x41}, {2150000000, 0x42}, {2200000000, 0x43},
         |  ^
>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:95:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:96:2: warning: this decimal constant is unsigned only in ISO C90
      96 |  {2250000000, 0x44}, {2300000000, 0x45}, {2350000000, 0x46},
         |  ^
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:96:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:96:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:97:2: warning: this decimal constant is unsigned only in ISO C90
      97 |  {2400000000, 0x47}, {2450000000, 0x48}, {2500000000, 0x49},
         |  ^
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:97:2: warning: this decimal constant is unsigned only in ISO C90
   drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:97:2: warning: this decimal constant is unsigned only in ISO C90
>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:613:5: warning: no previous prototype for 'rcar_mipi_dsi_clk_enable' [-Wmissing-prototypes]
     613 | int rcar_mipi_dsi_clk_enable(struct drm_bridge *bridge)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:636:6: warning: no previous prototype for 'rcar_mipi_dsi_clk_disable' [-Wmissing-prototypes]
     636 | void rcar_mipi_dsi_clk_disable(struct drm_bridge *bridge)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~


vim +95 drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c

    75	
    76	static const u32 hsfreqrange_table[][2] = {
    77		{80000000,   0x00}, {90000000,   0x10}, {100000000,  0x20},
    78		{110000000,  0x30}, {120000000,  0x01}, {130000000,  0x11},
    79		{140000000,  0x21}, {150000000,  0x31}, {160000000,  0x02},
    80		{170000000,  0x12}, {180000000,  0x22}, {190000000,  0x32},
    81		{205000000,  0x03}, {220000000,  0x13}, {235000000,  0x23},
    82		{250000000,  0x33}, {275000000,  0x04}, {300000000,  0x14},
    83		{325000000,  0x25}, {350000000,  0x35}, {400000000,  0x05},
    84		{450000000,  0x16}, {500000000,  0x26}, {550000000,  0x37},
    85		{600000000,  0x07}, {650000000,  0x18}, {700000000,  0x28},
    86		{750000000,  0x39}, {800000000,  0x09}, {850000000,  0x19},
    87		{900000000,  0x29}, {950000000,  0x3a}, {1000000000, 0x0a},
    88		{1050000000, 0x1a}, {1100000000, 0x2a}, {1150000000, 0x3b},
    89		{1200000000, 0x0b}, {1250000000, 0x1b}, {1300000000, 0x2b},
    90		{1350000000, 0x3c}, {1400000000, 0x0c}, {1450000000, 0x1c},
    91		{1500000000, 0x2c}, {1550000000, 0x3d}, {1600000000, 0x0d},
    92		{1650000000, 0x1d}, {1700000000, 0x2e}, {1750000000, 0x3e},
    93		{1800000000, 0x0e}, {1850000000, 0x1e}, {1900000000, 0x2f},
    94		{1950000000, 0x3f}, {2000000000, 0x0f}, {2050000000, 0x40},
  > 95		{2100000000, 0x41}, {2150000000, 0x42}, {2200000000, 0x43},
    96		{2250000000, 0x44}, {2300000000, 0x45}, {2350000000, 0x46},
    97		{2400000000, 0x47}, {2450000000, 0x48}, {2500000000, 0x49},
    98		{ /* sentinel */ },
    99	};
   100	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 68279 bytes --]