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SubjectRe: [PATCH v3 8/8] irqchip: Add Sunplus SP7021 interrupt controller driver
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@intel.com>

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@lists.01.org
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