Hi "Johnson, Thank you for the patch! Yet something to improve: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on linux/master linus/master v5.8-rc2 next-20200622] [cannot apply to ljones-mfd/for-mfd-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Johnson-CH-Chen/Use-MFD-for-Dall... base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/mfd/ds1374.c: In function 'ds1374_suspend': 56 | enable_irq_wake(client->irq); | ^~~~~~~~~~~~~~~ drivers/mfd/ds1374.c: In function 'ds1374_resume': 65 | disable_irq_wake(client->irq); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/enable_irq_wake +56 drivers/mfd/ds1374.c 49 50 #ifdef CONFIG_PM_SLEEP 51 static int ds1374_suspend(struct device *dev) 52 { 53 struct i2c_client *client = to_i2c_client(dev); 54 55 if (client->irq > 0 && device_may_wakeup(&client->dev)) 57 return 0; 58 } 59 60 static int ds1374_resume(struct device *dev) 61 { 62 struct i2c_client *client = to_i2c_client(dev); 63 64 if (client->irq > 0 && device_may_wakeup(&client->dev)) 66 return 0; 67 } 68 #endif 69 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org