Hi Lars, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on next-20200608] [cannot apply to robh/for-next clk/clk-next pinctrl/devel v5.7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Lars-Povlsen/Adding-support-for-... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git abfbb29297c27e3f101f348dc9e467b0fe70f919 config: x86_64-randconfig-s021-20200607 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-247-gcadbd124-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org