Hi Qin, I love your patch! Perhaps something to improve: [auto build test WARNING on pza/reset/next] [also build test WARNING on robh/for-next clk/clk-next linus/master v5.15] [cannot apply to tip/irq/core next-20211029] [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] url: https://github.com/0day-ci/linux/commits/Qin-Jian/dt-bindings-vendor-prefixes-Add-Sunplus/20211101-140155 base: https://git.pengutronix.de/git/pza/linux reset/next config: arc-randconfig-r016-20211101 (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/ca53c40693bc90c44e3ec4c95c7758d7342229e2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Qin-Jian/dt-bindings-vendor-prefixes-Add-Sunplus/20211101-140155 git checkout ca53c40693bc90c44e3ec4c95c7758d7342229e2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/irqchip/irq-sp7021-intc.c:217:6: warning: no previous prototype for 'sp_intc_set_ext' [-Wmissing-prototypes] 217 | void sp_intc_set_ext(u32 hwirq, int ext_num) | ^~~~~~~~~~~~~~~ >> drivers/irqchip/irq-sp7021-intc.c:223:12: warning: no previous prototype for 'sp_intc_init_dt' [-Wmissing-prototypes] 223 | int __init sp_intc_init_dt(struct device_node *node, struct device_node *parent) | ^~~~~~~~~~~~~~~ vim +/sp_intc_set_ext +217 drivers/irqchip/irq-sp7021-intc.c 216 > 217 void sp_intc_set_ext(u32 hwirq, int ext_num) 218 { 219 sp_intc_assign_bit(hwirq, REG_INTR_PRIORITY, !ext_num); 220 } 221 EXPORT_SYMBOL_GPL(sp_intc_set_ext); 222 > 223 int __init sp_intc_init_dt(struct device_node *node, struct device_node *parent) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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