Hi Joakim, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/irq/core] [also build test WARNING on linux/master linus/master v5.8-rc5 next-20200716] [cannot apply to arm-jcooper/irqchip/for-next] [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/Joakim-Zhang/irqchip-imx-intmux-... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 8fa88a88d573093868565a1afba43b5ae5b3a316 config: x86_64-allyesconfig (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ed6b578040a85977026c93bf4188f996148f3218) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): static const struct dev_pm_ops imx_intmux_pm_ops = { ^ 1 warning generated. vim +/imx_intmux_pm_ops +351 drivers/irqchip/irq-imx-intmux.c 350 352 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(imx_intmux_suspend, imx_intmux_resume) 353 }; 354 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org