Hi Paul, [auto build test ERROR on linus/master] [also build test ERROR on v4.10-rc4 next-20170120] [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/Paul-Cercueil/Ingenic-JZ4740-JZ4780-pinctrl-driver/20170122-232326 config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): drivers/gpio/gpio-ingenic.c: In function 'ingenic_gpio_direction_input': >> drivers/gpio/gpio-ingenic.c:253:9: error: implicit declaration of function 'pinctrl_gpio_direction_input' [-Werror=implicit-function-declaration] return pinctrl_gpio_direction_input(gc->base + offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-ingenic.c: In function 'ingenic_gpio_direction_output': >> drivers/gpio/gpio-ingenic.c:260:9: error: implicit declaration of function 'pinctrl_gpio_direction_output' [-Werror=implicit-function-declaration] return pinctrl_gpio_direction_output(gc->base + offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pinctrl_gpio_direction_input +253 drivers/gpio/gpio-ingenic.c 247 return (int) gpio_get_value(jzgc, offset); 248 } 249 250 static int ingenic_gpio_direction_input(struct gpio_chip *gc, 251 unsigned int offset) 252 { > 253 return pinctrl_gpio_direction_input(gc->base + offset); 254 } 255 256 static int ingenic_gpio_direction_output(struct gpio_chip *gc, 257 unsigned int offset, int value) 258 { 259 ingenic_gpio_set(gc, offset, value); > 260 return pinctrl_gpio_direction_output(gc->base + offset); 261 } 262 263 static const struct of_device_id ingenic_gpio_of_match[] = { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation