Hi Matti, I love your patch! Perhaps something to improve: [auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on regulator/for-next abelloni/rtc-next v5.11-rc2 next-20210108] [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/Matti-Vaittinen/Support-ROHM-BD71815-PMIC/20210108-215230 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: powerpc64-allyesconfig (attached as .config) compiler: powerpc64-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 # https://github.com/0day-ci/linux/commit/67af8e83e681acc78ab2552025592e881252e470 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matti-Vaittinen/Support-ROHM-BD71815-PMIC/20210108-215230 git checkout 67af8e83e681acc78ab2552025592e881252e470 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 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/gpio/gpio-bd71815.c:5: warning: "DEBUG" redefined 5 | #define DEBUG | <command-line>: note: this is the location of the previous definition vim +/DEBUG +5 drivers/gpio/gpio-bd71815.c > 5 #define DEBUG 6 #include <linux/module.h> 7 #include <linux/init.h> 8 #include <linux/kthread.h> 9 #include <linux/irq.h> 10 #include <linux/gpio/driver.h> 11 #include <linux/platform_device.h> 12 #include <linux/of.h> 13 #include <linux/mfd/rohm-bd71815.h> 14 #include <linux/mfd/rohm-generic.h> 15 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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