Hi Shawn, I love your patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on scsi/for-next v5.12-rc1 next-20210301] [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/Shawn-Guo/scsi-ufs-qcom-initialize-PHY-for-ACPI-boot/20210301-163008 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: arm64-allyesconfig (attached as .config) compiler: aarch64-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/7718a28d63ede24a70d06b64c56cb398f3ec7e6b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shawn-Guo/scsi-ufs-qcom-initialize-PHY-for-ACPI-boot/20210301-163008 git checkout 7718a28d63ede24a70d06b64c56cb398f3ec7e6b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 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/scsi/ufs/ufs-qcom-phy.c:300:5: warning: no previous prototype for 'ufs_qcom_phy_init' [-Wmissing-prototypes] 300 | int ufs_qcom_phy_init(struct ufs_hba *hba) | ^~~~~~~~~~~~~~~~~ vim +/ufs_qcom_phy_init +300 drivers/scsi/ufs/ufs-qcom-phy.c 299 > 300 int ufs_qcom_phy_init(struct ufs_hba *hba) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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