Re: [PATCH 4/7] drm/omap: Enable COMPILE_TEST on all ARM and ARM64 platforms

[kernel test robot <lkp@intel.com>]

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Hi Laurent,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on tegra/for-next drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next linus/master v5.14-rc3 next-20210730]
[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]

url:    https://github.com/0day-ci/linux/commits/Laurent-Pinchart/drm-Extend-COMPILE_TEST-support-to-some-ARM-drivers/20210728-234045
base:   git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-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
        # https://github.com/0day-ci/linux/commit/de95f9a00c85a831f2029e3bbbc59183e029cd8c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Laurent-Pinchart/drm-Extend-COMPILE_TEST-support-to-some-ARM-drivers/20210728-234045
        git checkout de95f9a00c85a831f2029e3bbbc59183e029cd8c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64 

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

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/omapdrm/dss/dsi.c: In function 'dsi_vc_send_long':
>> drivers/gpu/drm/omapdrm/dss/dsi.c:7:25: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'const long unsigned int'} [-Wformat=]
       7 | #define DSS_SUBSYS_NAME "DSI"
         |                         ^~~~~
   drivers/gpu/drm/omapdrm/dss/dss.h:30:21: note: in expansion of macro 'DSS_SUBSYS_NAME'
      30 | #define pr_fmt(fmt) DSS_SUBSYS_NAME ": " fmt
         |                     ^~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:134:15: note: in expansion of macro 'pr_fmt'
     134 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:152:2: note: in expansion of macro '__dynamic_func_call'
     152 |  __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:162:2: note: in expansion of macro '_dynamic_func_call'
     162 |  _dynamic_func_call(fmt, __dynamic_pr_debug,  \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/printk.h:471:2: note: in expansion of macro 'dynamic_pr_debug'
     471 |  dynamic_pr_debug(fmt, ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~~
   drivers/gpu/drm/omapdrm/dss/dss.h:36:2: note: in expansion of macro 'pr_debug'
      36 |  pr_debug(format, ## __VA_ARGS__)
         |  ^~~~~~~~
   drivers/gpu/drm/omapdrm/dss/dsi.c:2097:3: note: in expansion of macro 'DSSDBG'
    2097 |   DSSDBG("dsi_vc_send_long, %d bytes\n", msg->tx_len);
         |   ^~~~~~
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:19,
                    from drivers/gpu/drm/omapdrm/dss/dsi.c:9:
   drivers/gpu/drm/omapdrm/dss/dsi.c: In function 'dsi_vc_generic_read':
   include/linux/kern_levels.h:5:18: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'const long unsigned int'} [-Wformat=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
      11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
         |                  ^~~~~~~~
   include/linux/printk.h:390:9: note: in expansion of macro 'KERN_ERR'
     390 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~
   drivers/gpu/drm/omapdrm/dss/dss.h:40:2: note: in expansion of macro 'pr_err'
      40 |  pr_err("omapdss " DSS_SUBSYS_NAME " error: " format, ##__VA_ARGS__)
         |  ^~~~~~
   drivers/gpu/drm/omapdrm/dss/dsi.c:2393:2: note: in expansion of macro 'DSSERR'
    2393 |  DSSERR("%s(vc %d, reqlen %d) failed\n", __func__,  vc, msg->tx_len);
         |  ^~~~~~


vim +7 drivers/gpu/drm/omapdrm/dss/dsi.c

3de7a1dc0c9d29 drivers/video/omap2/dss/dsi.c Tomi Valkeinen 2009-10-28 @7  #define DSS_SUBSYS_NAME "DSI"
3de7a1dc0c9d29 drivers/video/omap2/dss/dsi.c Tomi Valkeinen 2009-10-28  8  

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

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