drivers/pinctrl/pinctrl-rp1.c:343:39-40: WARNING: Use ARRAY_SIZE

From: kernel test robot

Date: Sun Jul 26 2026 - 07:16:20 EST


Hi Andrea,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0ce37745d4bfbc493f718169c3974898ffec8ee7
commit: ce26f588c8310e0fdd1bc7524a86fdf0ef6b1c85 misc: rp1: drop overlay support
date: 7 months ago
config: powerpc-randconfig-r051-20260726 (https://download.01.org/0day-ci/archive/20260726/202607261949.XhxCx28Z-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 16.1.0

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
| Fixes: ce26f588c831 ("misc: rp1: drop overlay support")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607261949.XhxCx28Z-lkp@xxxxxxxxx/

cocci warnings: (new ones prefixed by >>)
>> drivers/pinctrl/pinctrl-rp1.c:343:39-40: WARNING: Use ARRAY_SIZE
drivers/pinctrl/pinctrl-rp1.c:444:33-34: WARNING: Use ARRAY_SIZE

vim +343 drivers/pinctrl/pinctrl-rp1.c

e3ce7b897388339 Andrea della Porta 2025-06-24 339
e3ce7b897388339 Andrea della Porta 2025-06-24 340 #define PIN_ARRAY(...) \
e3ce7b897388339 Andrea della Porta 2025-06-24 341 (const unsigned int []) {__VA_ARGS__}
e3ce7b897388339 Andrea della Porta 2025-06-24 342 #define PIN_ARRAY_SIZE(...) \
e3ce7b897388339 Andrea della Porta 2025-06-24 @343 (sizeof((unsigned int[]) {__VA_ARGS__}) / sizeof(unsigned int))
e3ce7b897388339 Andrea della Porta 2025-06-24 344 #define RP1_GROUP(name, ...) \
e3ce7b897388339 Andrea della Porta 2025-06-24 345 PINCTRL_PINGROUP(#name, PIN_ARRAY(__VA_ARGS__), \
e3ce7b897388339 Andrea della Porta 2025-06-24 346 PIN_ARRAY_SIZE(__VA_ARGS__))
e3ce7b897388339 Andrea della Porta 2025-06-24 347

:::::: The code at line 343 was first introduced by commit
:::::: e3ce7b897388339b407d57969acaa26063e38209 pinctrl: rp1: Implement RaspberryPi RP1 pinmux/pinconf support

:::::: TO: Andrea della Porta <andrea.porta@xxxxxxxx>
:::::: CC: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>

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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki