Hi Hugues, I love your patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.17 next-20180608] [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/Hugues-Fruchet/media-stm32-dcmi-add-power-saving-support/20180611-174016 base: git://linuxtv.org/media_tree.git master config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sparc64 All errors (new ones prefixed by >>): drivers/media//platform/stm32/stm32-dcmi.c: In function 'dcmi_suspend': drivers/media//platform/stm32/stm32-dcmi.c:1886:2: error: implicit declaration of function 'pinctrl_pm_select_sleep_state' [-Werror=implicit-function-declaration] pinctrl_pm_select_sleep_state(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media//platform/stm32/stm32-dcmi.c: In function 'dcmi_resume': >> drivers/media//platform/stm32/stm32-dcmi.c:1894:2: error: implicit declaration of function 'pinctrl_pm_select_default_state'; did you mean 'irq_set_default_host'? [-Werror=implicit-function-declaration] pinctrl_pm_select_default_state(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ irq_set_default_host cc1: some warnings being treated as errors vim +1894 drivers/media//platform/stm32/stm32-dcmi.c 1879 1880 static __maybe_unused int dcmi_suspend(struct device *dev) 1881 { 1882 /* disable clock */ 1883 pm_runtime_force_suspend(dev); 1884 1885 /* change pinctrl state */ > 1886 pinctrl_pm_select_sleep_state(dev); 1887 1888 return 0; 1889 } 1890 1891 static __maybe_unused int dcmi_resume(struct device *dev) 1892 { 1893 /* restore pinctl default state */ > 1894 pinctrl_pm_select_default_state(dev); 1895 1896 /* clock enable */ 1897 pm_runtime_force_resume(dev); 1898 1899 return 0; 1900 } 1901 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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