Hi Prabhakar, kernel test robot noticed the following build warnings: [auto build test WARNING on geert-renesas-drivers/renesas-pinctrl] [also build test WARNING on linusw-pinctrl/devel linusw-pinctrl/for-next geert-renesas-devel/next linus/master v6.12-rc3 next-20241018] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Prabhakar/arm64-dts-renesas-rzg3s-smarc-Drop-hogging-of-GPIO-pins/20241017-194200 base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl patch link: https://lore.kernel.org/r/20241017113942.139712-7-prabhakar.mahadev-lad.rj%40bp.renesas.com patch subject: [PATCH 6/7] pinctrl: pinmux: Introduce API to check if a pin is requested config: arm-pxa3xx_defconfig (https://download.01.org/0day-ci/archive/20241019/202410190448.yDDAKyxt-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190448.yDDAKyxt-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410190448.yDDAKyxt-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/pinctrl/core.c:38: >> drivers/pinctrl/pinmux.h:104:6: warning: no previous prototype for 'pin_requested' [-Wmissing-prototypes] 104 | bool pin_requested(struct pinctrl_dev *pctldev, int pin) | ^~~~~~~~~~~~~ vim +/pin_requested +104 drivers/pinctrl/pinmux.h 103 > 104 bool pin_requested(struct pinctrl_dev *pctldev, int pin) 105 { 106 return false; 107 } 108 #endif 109 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
