Hi Jeffy, [auto build test ERROR on rockchip/for-next] [also build test ERROR on v4.12-rc5 next-20170613] [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/Jeffy-Chen/spi-rockchip-fix-error-handling-when-probe/20170613-172725 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: x86_64-randconfig-s5-06132355 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/spi/spi-rockchip.c: In function 'rockchip_spi_setup_cs_gpios': >> drivers/spi/spi-rockchip.c:678:13: error: implicit declaration of function 'devm_gpiod_get_index_optional' [-Werror=implicit-function-declaration] cs_gpio = devm_gpiod_get_index_optional(dev, "cs", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/spi/spi-rockchip.c:679:11: error: 'GPIOD_ASIS' undeclared (first use in this function) i, GPIOD_ASIS); ^~~~~~~~~~ drivers/spi/spi-rockchip.c:679:11: note: each undeclared identifier is reported only once for each function it appears in cc1: some warnings being treated as errors vim +/devm_gpiod_get_index_optional +678 drivers/spi/spi-rockchip.c 672 if (!np) 673 return 0; 674 675 nb = of_gpio_named_count(np, "cs-gpios"); 676 for (i = 0; i < nb; i++) { 677 /* We support both GPIO CS and HW CS */ > 678 cs_gpio = devm_gpiod_get_index_optional(dev, "cs", > 679 i, GPIOD_ASIS); 680 if (IS_ERR(cs_gpio)) 681 return PTR_ERR(cs_gpio); 682 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation