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Date:   Wed, 19 Jan 2022 10:40:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     "sw.multimedia" <sw.multimedia@...rfivetech.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Emil Renner Berthing <kernel@...il.dk>,
        "jack.zhu" <jack.zhu@...rfivetech.com>,
        "keith.zhao" <keith.zhao@...rfivetech.com>
Subject: [esmil:visionfive 64/80] include/linux/kern_levels.h:5:25: warning:
 format '%llx' expects argument of type 'long long unsigned int', but
 argument 2 has type 'dma_addr_t' {aka 'unsigned int'}

tree:   https://github.com/esmil/linux visionfive
head:   e46c3a7e373e6faa03399f1a41c29cf7546c37cb
commit: 1eb3575230496368002bc06d59b7d219c09af47b [64/80] drm/starfive: Add StarFive drm driver
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220119/202201191032.ozy73s1C-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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
        # https://github.com/esmil/linux/commit/1eb3575230496368002bc06d59b7d219c09af47b
        git remote add esmil https://github.com/esmil/linux
        git fetch --no-tags esmil visionfive
        git checkout 1eb3575230496368002bc06d59b7d219c09af47b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/gpu/drm/starfive/

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 >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/io.h:11,
                    from include/linux/dma-buf-map.h:9,
                    from include/linux/dma-buf.h:16,
                    from drivers/gpu/drm/starfive/starfive_drm_gem.c:5:
   drivers/gpu/drm/starfive/starfive_drm_gem.c: In function 'starfive_drm_gem_alloc_dma':
>> include/linux/kern_levels.h:5:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/drm/drm_print.h:494:9: note: in expansion of macro 'printk'
     494 |         printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/drm/drm_print.h:494:22: note: in expansion of macro 'KERN_INFO'
     494 |         printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
         |                      ^~~~~
   include/drm/drm_print.h:498:9: note: in expansion of macro '_DRM_PRINTK'
     498 |         _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~
   drivers/gpu/drm/starfive/starfive_drm_gem.c:132:9: note: in expansion of macro 'DRM_INFO'
     132 |         DRM_INFO("dma_addr = 0x%llx, size = %lu\n", starfive_obj->dma_addr, obj->size);
         |         ^~~~~~~~
   include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/drm/drm_print.h:494:9: note: in expansion of macro 'printk'
     494 |         printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/drm/drm_print.h:494:22: note: in expansion of macro 'KERN_INFO'
     494 |         printk##once(KERN_##level "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
         |                      ^~~~~
   include/drm/drm_print.h:498:9: note: in expansion of macro '_DRM_PRINTK'
     498 |         _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~
   drivers/gpu/drm/starfive/starfive_drm_gem.c:132:9: note: in expansion of macro 'DRM_INFO'
     132 |         DRM_INFO("dma_addr = 0x%llx, size = %lu\n", starfive_obj->dma_addr, obj->size);
         |         ^~~~~~~~
   At top level:
   drivers/gpu/drm/starfive/starfive_drm_gem.c:17:42: warning: 'mmap_mem_ops' defined but not used [-Wunused-const-variable=]
      17 | static const struct vm_operations_struct mmap_mem_ops = {
         |                                          ^~~~~~~~~~~~


vim +5 include/linux/kern_levels.h

314ba3520e513a7 Joe Perches 2012-07-30  4  
04d2c8c83d0e3ac Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3ac Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3ac 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@...ches.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

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