Hi zoro, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on abelloni/rtc-next] [also build test WARNING on v4.20-rc1 next-20181109] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/zoro/dt-bindings-define-vendor-prefix-for-whwave-Inc/20181110-205048 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next coccinelle warnings: (new ones prefixed by >>) >> drivers/rtc/rtc-sd3078.c:248:1-3: WARNING: PTR_ERR_OR_ZERO can be used Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation