[chrome-os:chromeos-4.19 4/4] include/linux/kern_levels.h:5:18: error: format '%lX' expects argument of type 'long unsigned int', but argument 2 has type 'u32' {aka 'unsigned int'}

[chrome-os:chromeos-4.19 4/4] include/linux/kern_levels.h:5:18: error: format '%lX' expects argument of type 'long unsigned int', but argument 2 has type 'u32' {aka 'unsigned int'}

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19
head:   d7fbffc4196415cc9fa9db9d797234cd6ccedab0
commit: d7fbffc4196415cc9fa9db9d797234cd6ccedab0 [4/4] CHROMIUM: drm/mediatek: add display debug patch
config: arm64-chromiumos-arm64-customedconfig-chrome-os:chromeos-4.19:a50b3b83f7144bbdd92fc8889fbdc177f1fb09a9 (attached as .config)
compiler: aarch64-linux-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 chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-4.19
        git checkout d7fbffc4196415cc9fa9db9d797234cd6ccedab0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:14,
                    from include/linux/list.h:9,
                    from include/linux/agp_backend.h:33,
                    from include/drm/drmP.h:35,
                    from drivers/gpu/drm/mediatek/mtk_drm_debug.c:13:
   drivers/gpu/drm/mediatek/mtk_drm_debug.c: In function 'mtk_drm_dbg_dump_comp_reg':
>> include/linux/kern_levels.h:5:18: error: format '%lX' expects argument of type 'long unsigned int', but argument 2 has type 'u32' {aka 'unsigned int'} [-Werror=format=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:310:9: note: in expansion of macro 'KERN_INFO'
     310 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/gpu/drm/mediatek/mtk_drm_debug.h:20:31: note: in expansion of macro 'pr_info'
      20 | #define mtk_drm_dbg(fmt, ...) pr_info("[mtkdrm] " fmt, ##__VA_ARGS__)
         |                               ^~~~~~~
   drivers/gpu/drm/mediatek/mtk_drm_debug.c:291:3: note: in expansion of macro 'mtk_drm_dbg'
     291 |   mtk_drm_dbg("0x%08lX | 0x%08X 0x%08X 0x%08X 0x%08X\n",
         |   ^~~~~~~~~~~
   drivers/gpu/drm/mediatek/mtk_drm_debug.c:291:22: note: format string is defined here
     291 |   mtk_drm_dbg("0x%08lX | 0x%08X 0x%08X 0x%08X 0x%08X\n",
         |                  ~~~~^
         |                      |
         |                      long unsigned int
         |                  %08X
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:14,
                    from include/linux/list.h:9,
                    from include/linux/agp_backend.h:33,
                    from include/drm/drmP.h:35,
                    from drivers/gpu/drm/mediatek/mtk_drm_debug.c:13:
   drivers/gpu/drm/mediatek/mtk_drm_debug.c: In function 'mtk_drm_dbg_init':
>> include/linux/kern_levels.h:5:18: error: too many arguments for format [-Werror=format-extra-args]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:310:9: note: in expansion of macro 'KERN_INFO'
     310 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/gpu/drm/mediatek/mtk_drm_debug.h:20:31: note: in expansion of macro 'pr_info'
      20 | #define mtk_drm_dbg(fmt, ...) pr_info("[mtkdrm] " fmt, ##__VA_ARGS__)
         |                               ^~~~~~~
   drivers/gpu/drm/mediatek/mtk_drm_debug.c:357:3: note: in expansion of macro 'mtk_drm_dbg'
     357 |   mtk_drm_dbg("parent node %s\n", dev->of_node->parent->name,
         |   ^~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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

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