Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/master]

url:    https://github.com/0day-ci/linux/commits/min-li-xe-renesas-com/misc-Add-Renesas-Synchronization-Management-Unit-SMU-support/20210318-052232
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git b3a9e3b9622ae10064826dccb4f7a52bd88c7407
config: x86_64-randconfig-r005-20210317 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/f1c28c63e2514eac89cce46df118039da7c21e47
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review min-li-xe-renesas-com/misc-Add-Renesas-Synchronization-Management-Unit-SMU-support/20210318-052232
        git checkout f1c28c63e2514eac89cce46df118039da7c21e47
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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 <command-line>:32:
>> ./usr/include/linux/rsmu.h:14:2: error: unknown type name '__u8'
      14 |  __u8 dpll;
         |  ^~~~
   ./usr/include/linux/rsmu.h:15:2: error: unknown type name '__u8'
      15 |  __u8 mode;
         |  ^~~~
   ./usr/include/linux/rsmu.h:20:2: error: unknown type name '__u8'
      20 |  __u8 dpll;
         |  ^~~~
   ./usr/include/linux/rsmu.h:21:2: error: unknown type name '__u8'
      21 |  __u8 state;
         |  ^~~~
   ./usr/include/linux/rsmu.h:26:2: error: unknown type name '__u8'
      26 |  __u8 dpll;
         |  ^~~~
>> ./usr/include/linux/rsmu.h:27:2: error: unknown type name '__s64'
      27 |  __s64 ffo;
         |  ^~~~~

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0-DAY CI Kernel Test Service, Intel Corporation
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