Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.9-rc8 next-20201006] [cannot apply to xlnx/master] [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/muhammad-husaini-zulkifli-intel-com/mmc-sdhci-of-arasan-Enable-UHS-1-support-for-Keem-Bay-SOC/20201007-000542 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7575fdda569b2a2e8be32c1a64ecb05d6f96a500 config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-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/273db2ef816560e1679afac43fd4e0624d5b7816 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review muhammad-husaini-zulkifli-intel-com/mmc-sdhci-of-arasan-Enable-UHS-1-support-for-Keem-Bay-SOC/20201007-000542 git checkout 273db2ef816560e1679afac43fd4e0624d5b7816 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/mmc/host/sdhci-of-arasan.c:27: >> include/linux/firmware/intel/keembay_firmware.h:35:5: warning: no previous prototype for 'keembay_sd_voltage_selection' [-Wmissing-prototypes] 35 | int keembay_sd_voltage_selection(int volt) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/keembay_sd_voltage_selection +35 include/linux/firmware/intel/keembay_firmware.h 34 > 35 int keembay_sd_voltage_selection(int volt) 36 { 37 return do_fw_invoke(KEEMBAY_SET_SD_VOLTAGE_FUNC_ID, volt, 0); 38 } 39 #else 40 static inline int keembay_sd_voltage_selection(int volt) 41 { 42 return -ENODEV; 43 } 44 #endif 45 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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