Hi Chandrakanth, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on next-20190618] [cannot apply to v5.2-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Chandrakanth-Patil/megaraid_sas-driver-updates-to-07-710-06-00-rc1/20190618-174435 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/scsi/megaraid/megaraid_sas_fp.c:752:60: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] r1_alt_dev_handle @@ got short [usertype] r1_alt_dev_handle @@ drivers/scsi/megaraid/megaraid_sas_fp.c:752:60: sparse: expected unsigned short [usertype] r1_alt_dev_handle drivers/scsi/megaraid/megaraid_sas_fp.c:752:60: sparse: got restricted __le16 drivers/scsi/megaraid/megaraid_sas_fp.c:194:72: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:199:33: sparse: sparse: cast to restricted __le16 drivers/scsi/megaraid/megaraid_sas_fp.c:207:25: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:208:25: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:210:33: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:211:33: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:214:79: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:215:33: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:223:41: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:224:49: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:226:49: sparse: sparse: cast to restricted __le16 drivers/scsi/megaraid/megaraid_sas_fp.c:232:58: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:233:33: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:242:41: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:243:33: sparse: sparse: cast to restricted __le32 drivers/scsi/megaraid/megaraid_sas_fp.c:868:60: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] r1_alt_dev_handle @@ got short [usertype] r1_alt_dev_handle @@ drivers/scsi/megaraid/megaraid_sas_fp.c:868:60: sparse: expected unsigned short [usertype] r1_alt_dev_handle drivers/scsi/megaraid/megaraid_sas_fp.c:868:60: sparse: got restricted __le16 >> drivers/scsi/megaraid/megaraid_sas_fp.c:964:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] reg_lock_row_lba @@ got nsigned long long [usertype] reg_lock_row_lba @@ >> drivers/scsi/megaraid/megaraid_sas_fp.c:964:41: sparse: expected unsigned long long [usertype] reg_lock_row_lba drivers/scsi/megaraid/megaraid_sas_fp.c:964:41: sparse: got restricted __le64 [usertype] drivers/scsi/megaraid/megaraid_sas_fp.c:1201:28: sparse: sparse: restricted __le16 degrades to integer drivers/scsi/megaraid/megaraid_sas_fp.c:1392:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] pd1_dev_handle @@ got short [usertype] pd1_dev_handle @@ drivers/scsi/megaraid/megaraid_sas_fp.c:1392:24: sparse: expected unsigned short [usertype] pd1_dev_handle drivers/scsi/megaraid/megaraid_sas_fp.c:1392:24: sparse: got restricted __le16 drivers/scsi/megaraid/megaraid_sas_fp.c:1361:4: sparse: sparse: symbol 'megasas_get_best_arm_pd' was not declared. Should it be static? vim +964 drivers/scsi/megaraid/megaraid_sas_fp.c 903 904 /* 905 * mr_get_phy_params_r56_rmw - Calculate parameters for R56 CTIO write operation 906 * @instance: Adapter soft state 907 * @ld: LD index 908 * @stripNo: Strip Number 909 * @io_info: IO info structure pointer 910 * pRAID_Context: RAID context pointer 911 * map: RAID map pointer 912 * 913 * This routine calculates the logical arm, data Arm, row number and parity arm 914 * for R56 CTIO write operation. 915 */ 916 static void mr_get_phy_params_r56_rmw(struct megasas_instance *instance, 917 u32 ld, u64 stripNo, 918 struct IO_REQUEST_INFO *io_info, 919 struct RAID_CONTEXT_G35 *pRAID_Context, 920 struct MR_DRV_RAID_MAP_ALL *map) 921 { 922 struct MR_LD_RAID *raid = MR_LdRaidGet(ld, map); 923 u8 span, dataArms, arms, dataArm, logArm; 924 s8 rightmostParityArm, PParityArm; 925 u64 rowNum; 926 u64 *pdBlock = &io_info->pdBlock; 927 928 dataArms = raid->rowDataSize; 929 arms = raid->rowSize; 930 931 rowNum = mega_div64_32(stripNo, dataArms); 932 /* parity disk arm, first arm is 0 */ 933 rightmostParityArm = (arms - 1) - mega_mod64(rowNum, arms); 934 935 /* logical arm within row */ 936 logArm = mega_mod64(stripNo, dataArms); 937 /* physical arm for data */ 938 dataArm = mega_mod64((rightmostParityArm + 1 + logArm), arms); 939 940 if (raid->spanDepth == 1) { 941 span = 0; 942 } else { 943 span = (u8)MR_GetSpanBlock(ld, rowNum, pdBlock, map); 944 if (span == SPAN_INVALID) 945 return; 946 } 947 948 if (raid->level == 6) { 949 /* P Parity arm, note this can go negative adjust if negative */ 950 PParityArm = (arms - 2) - mega_mod64(rowNum, arms); 951 952 if (PParityArm < 0) 953 PParityArm += arms; 954 955 /* rightmostParityArm is P-Parity for RAID 5 and Q-Parity for RAID */ 956 pRAID_Context->flow_specific.r56_arm_map = rightmostParityArm; 957 pRAID_Context->flow_specific.r56_arm_map |= 958 (u16)(PParityArm << RAID_CTX_R56_P_ARM_SHIFT); 959 } else { 960 pRAID_Context->flow_specific.r56_arm_map |= 961 (u16)(rightmostParityArm << RAID_CTX_R56_P_ARM_SHIFT); 962 } 963 > 964 pRAID_Context->reg_lock_row_lba = cpu_to_le64(rowNum); 965 pRAID_Context->flow_specific.r56_arm_map |= 966 (u16)(logArm << RAID_CTX_R56_LOG_ARM_SHIFT); 967 cpu_to_le16s(&pRAID_Context->flow_specific.r56_arm_map); 968 pRAID_Context->span_arm = (span << RAID_CTX_SPANARM_SPAN_SHIFT) | dataArm; 969 pRAID_Context->raid_flags = (MR_RAID_FLAGS_IO_SUB_TYPE_R56_DIV_OFFLOAD << 970 MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT); 971 972 return; 973 } 974 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
