Hi Andy, [auto build test ERROR on rockchip/for-next] [also build test ERROR on v4.5-rc2 next-20160203] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Andy-Yan/add-reboot-mode-driver/20160202-181909 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: x86_64-randconfig-r0-02031912 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): warning: (SYSCON_REBOOT_MODE) selects REBOOT_MODE which has unmet direct dependencies (POWER_RESET && OF) drivers/power/reset/reboot-mode.c: In function 'reboot_mode_register': >> drivers/power/reset/reboot-mode.c:79:2: error: implicit declaration of function 'for_each_property_of_node' [-Werror=implicit-function-declaration] for_each_property_of_node(dev->of_node, prop) { ^ >> drivers/power/reset/reboot-mode.c:79:48: error: expected ';' before '{' token for_each_property_of_node(dev->of_node, prop) { ^ >> drivers/power/reset/reboot-mode.c:70:9: warning: unused variable 'len' [-Wunused-variable] size_t len = strlen(PREFIX); ^ >> drivers/power/reset/reboot-mode.c:68:20: warning: unused variable 'info' [-Wunused-variable] struct mode_info *info; ^ drivers/power/reset/reboot-mode.c: At top level: drivers/power/reset/reboot-mode.c:51:12: warning: 'reboot_mode_notify' defined but not used [-Wunused-function] static int reboot_mode_notify(struct notifier_block *this, ^ cc1: some warnings being treated as errors vim +/for_each_property_of_node +79 drivers/power/reset/reboot-mode.c 62 return NOTIFY_DONE; 63 } 64 65 int reboot_mode_register(struct device *dev, int (*write)(int)) 66 { 67 struct reboot_mode_driver *reboot; > 68 struct mode_info *info; 69 struct property *prop; > 70 size_t len = strlen(PREFIX); 71 int ret; 72 73 reboot = devm_kzalloc(dev, sizeof(*reboot), GFP_KERNEL); 74 if (!reboot) 75 return -ENOMEM; 76 77 reboot->write = write; 78 INIT_LIST_HEAD(&reboot->head); > 79 for_each_property_of_node(dev->of_node, prop) { 80 if (len > strlen(prop->name) || strncmp(prop->name, PREFIX, len)) 81 continue; 82 info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation