Hi Can, Thank you for the patch! Yet something to improve: [auto build test ERROR on mkp-scsi/for-next] [cannot apply to scsi/for-next v5.9-rc2 next-20200824] [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/Can-Guo/Add-UFS-LINERESET-handling/20200824-174334 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: openrisc-randconfig-r034-20200824 (attached as .config) compiler: or1k-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=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/scsi/ufs/ufshcd.c: In function 'ufshcd_update_uic_error': >> drivers/scsi/ufs/ufshcd.c:5897:13: error: 'UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR' undeclared (first use in this function); did you mean 'UIC_PHY_ADAPTER_LAYER_ERROR'? 5897 | if (reg & UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | UIC_PHY_ADAPTER_LAYER_ERROR drivers/scsi/ufs/ufshcd.c:5897:13: note: each undeclared identifier is reported only once for each function it appears in # https://github.com/0day-ci/linux/commit/ec9dcd8fd02bf2ecd2d75d2bd272d06d10818198 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Can-Guo/Add-UFS-LINERESET-handling/20200824-174334 git checkout ec9dcd8fd02bf2ecd2d75d2bd272d06d10818198 vim +5897 drivers/scsi/ufs/ufshcd.c 5869 5870 /** 5871 * ufshcd_update_uic_error - check and set fatal UIC error flags. 5872 * @hba: per-adapter instance 5873 * 5874 * Returns 5875 * IRQ_HANDLED - If interrupt is valid 5876 * IRQ_NONE - If invalid interrupt 5877 */ 5878 static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba) 5879 { 5880 u32 reg; 5881 irqreturn_t retval = IRQ_NONE; 5882 5883 /* PHY layer error */ 5884 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER); 5885 if ((reg & UIC_PHY_ADAPTER_LAYER_ERROR) && 5886 (reg & UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK)) { 5887 ufshcd_update_reg_hist(&hba->ufs_stats.pa_err, reg); 5888 /* 5889 * To know whether this error is fatal or not, DB timeout 5890 * must be checked but this error is handled separately. 5891 */ 5892 if (reg & UIC_PHY_ADAPTER_LAYER_LANE_ERR_MASK) 5893 dev_dbg(hba->dev, "%s: UIC Lane error reported\n", 5894 __func__); 5895 5896 /* Got a LINERESET indication. */ > 5897 if (reg & UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR) { 5898 struct uic_command *cmd = NULL; 5899 5900 hba->uic_error |= UFSHCD_UIC_PA_GENERIC_ERROR; 5901 if (hba->uic_async_done && hba->active_uic_cmd) 5902 cmd = hba->active_uic_cmd; 5903 /* 5904 * Ignore the LINERESET during power mode change 5905 * operation via DME_SET command. 5906 */ 5907 if (cmd && (cmd->command == UIC_CMD_DME_SET)) 5908 hba->uic_error &= ~UFSHCD_UIC_PA_GENERIC_ERROR; 5909 } 5910 retval |= IRQ_HANDLED; 5911 } 5912 5913 /* PA_INIT_ERROR is fatal and needs UIC reset */ 5914 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DATA_LINK_LAYER); 5915 if ((reg & UIC_DATA_LINK_LAYER_ERROR) && 5916 (reg & UIC_DATA_LINK_LAYER_ERROR_CODE_MASK)) { 5917 ufshcd_update_reg_hist(&hba->ufs_stats.dl_err, reg); 5918 5919 if (reg & UIC_DATA_LINK_LAYER_ERROR_PA_INIT) 5920 hba->uic_error |= UFSHCD_UIC_DL_PA_INIT_ERROR; 5921 else if (hba->dev_quirks & 5922 UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) { 5923 if (reg & UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED) 5924 hba->uic_error |= 5925 UFSHCD_UIC_DL_NAC_RECEIVED_ERROR; 5926 else if (reg & UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_TIMEOUT) 5927 hba->uic_error |= UFSHCD_UIC_DL_TCx_REPLAY_ERROR; 5928 } 5929 retval |= IRQ_HANDLED; 5930 } 5931 5932 /* UIC NL/TL/DME errors needs software retry */ 5933 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_NETWORK_LAYER); 5934 if ((reg & UIC_NETWORK_LAYER_ERROR) && 5935 (reg & UIC_NETWORK_LAYER_ERROR_CODE_MASK)) { 5936 ufshcd_update_reg_hist(&hba->ufs_stats.nl_err, reg); 5937 hba->uic_error |= UFSHCD_UIC_NL_ERROR; 5938 retval |= IRQ_HANDLED; 5939 } 5940 5941 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_TRANSPORT_LAYER); 5942 if ((reg & UIC_TRANSPORT_LAYER_ERROR) && 5943 (reg & UIC_TRANSPORT_LAYER_ERROR_CODE_MASK)) { 5944 ufshcd_update_reg_hist(&hba->ufs_stats.tl_err, reg); 5945 hba->uic_error |= UFSHCD_UIC_TL_ERROR; 5946 retval |= IRQ_HANDLED; 5947 } 5948 5949 reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DME); 5950 if ((reg & UIC_DME_ERROR) && 5951 (reg & UIC_DME_ERROR_CODE_MASK)) { 5952 ufshcd_update_reg_hist(&hba->ufs_stats.dme_err, reg); 5953 hba->uic_error |= UFSHCD_UIC_DME_ERROR; 5954 retval |= IRQ_HANDLED; 5955 } 5956 5957 dev_dbg(hba->dev, "%s: UIC error flags = 0x%08x\n", 5958 __func__, hba->uic_error); 5959 return retval; 5960 } 5961 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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