[kbuild-all] [linux-chenxing:mstar_v5_14_rebase 25/352] drivers/pinctrl/mstar/pinctrl-msc313.c:1528:5: warning: no previous prototype for 'mstar_pin_config_get'

tree: git://github.com/linux-chenxing/linux.git mstar_v5_14_rebase head: 651efd0e52f225e60faa8b30f9768021e2104d3c commit: de4c18f97c2e8ca0f097a5f65857e25609151126 [25/352] pinctrl: mstar: msc313 pinctrl driver config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/linux-chenxing/linux/commit/de4c18f97c2e8ca0f097a5f658... git remote add linux-chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags linux-chenxing mstar_v5_14_rebase git checkout de4c18f97c2e8ca0f097a5f65857e25609151126 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 1528 | int mstar_pin_config_get(struct pinctrl_dev *pctldev, | ^~~~~~~~~~~~~~~~~~~~ 1537 | int mstar_pin_config_set(struct pinctrl_dev *pctldev, | ^~~~~~~~~~~~~~~~~~~~ 1550 | int mstar_pin_config_group_get(struct pinctrl_dev *pctldev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 1557 | int mstar_pin_config_group_set(struct pinctrl_dev *pctldev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/mstar_pin_config_get +1528 drivers/pinctrl/mstar/pinctrl-msc313.c 1527 1529 unsigned int pin, 1530 unsigned long *config) 1531 { 1532 struct msc313_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctldev); 1533 1534 return msc313_pinctrl_get_config(pinctrl, pin, config); 1535 } 1536 1538 unsigned int pin, 1539 unsigned long *configs, 1540 unsigned int num_configs) 1541 { 1542 int i; 1543 struct msc313_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctldev); 1544 1545 for (i = 0; i < num_configs; i++) 1546 mstar_set_config(pinctrl, pin, configs[i]); 1547 return 0; 1548 } 1549 1551 unsigned int selector, 1552 unsigned long *config) 1553 { 1554 return -ENOTSUPP; 1555 } 1556 1558 unsigned int selector, 1559 unsigned long *configs, 1560 unsigned int num_configs) 1561 { 1562 struct msc313_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctldev); 1563 struct group_desc *group = pinctrl_generic_get_group(pctldev, selector); 1564 int i, j, ret; 1565 1566 for (i = 0; i < group->num_pins; i++) { 1567 for (j = 0; j < num_configs; j++) { 1568 ret = mstar_set_config(pinctrl, group->pins[i], configs[j]); 1569 if (ret) 1570 return ret; 1571 } 1572 } 1573 return 0; 1574 } 1575 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org