Hi Robert, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on robh/for-next] [also build test ERROR on v5.13-rc6 next-20210616] [cannot apply to clk/clk-next] [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/Robert-Foss/Qcom-SM8350-DispCC-V... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: h8300-randconfig-p001-20210615 (attached as .config) compiler: h8300-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 # https://github.com/0day-ci/linux/commit/dec0377e64d6caab3b75a8b7325689af2... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Robert-Foss/Qcom-SM8350-DispCC-VideoCC/20210617-000803 git checkout dec0377e64d6caab3b75a8b7325689af258652eb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from ./arch/h8300/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:248, from include/linux/err.h:5, from include/linux/clk.h:12, from drivers/clk/qcom/common.c:6: drivers/clk/qcom/common.c: In function 'qcom_cc_runtime_resume': 8 | #define NULL ((void *)0) | ^ include/linux/pm_clock.h:82:23: note: in expansion of macro 'NULL' 82 | #define pm_clk_resume NULL | ^~~~ drivers/clk/qcom/common.c:397:8: note: in expansion of macro 'pm_clk_resume' 397 | ret = pm_clk_resume(dev); | ^~~~~~~~~~~~~ drivers/clk/qcom/common.c: In function 'qcom_cc_runtime_suspend': 8 | #define NULL ((void *)0) | ^ include/linux/pm_clock.h:81:24: note: in expansion of macro 'NULL' 81 | #define pm_clk_suspend NULL | ^~~~ drivers/clk/qcom/common.c:410:8: note: in expansion of macro 'pm_clk_suspend' 410 | ret = pm_clk_suspend(dev); | ^~~~~~~~~~~~~~ vim +8 include/linux/stddef.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 6 ^1da177e4c3f41 Linus Torvalds 2005-04-16 7 #undef NULL ^1da177e4c3f41 Linus Torvalds 2005-04-16 @8 #define NULL ((void *)0) 6e218287432472 Richard Knutsson 2006-09-30 9 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org