Hi Ranjan, kernel test robot noticed the following build warnings: [auto build test WARNING on jejb-scsi/for-next] [also build test WARNING on mkp-scsi/for-next linus/master v6.7-rc7 next-20231222] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ranjan-Kumar/mpt3sas-Reload-SBR-without-rebooting-HBA/20231227-191013 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/r/20231227110610.18276-2-ranjan.kumar%40broadcom.com patch subject: [PATCH v2 1/2] mpt3sas: Reload SBR without rebooting HBA config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20231228/202312280909.MZyhxwBL-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231228/202312280909.MZyhxwBL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312280909.MZyhxwBL-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/scsi/mpt3sas/mpt3sas_base.c:8025:4: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation] 8025 | msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC/1000); | ^ drivers/scsi/mpt3sas/mpt3sas_base.c:8021:3: note: previous statement is here 8021 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) | ^ 1 warning generated. vim +/if +8025 drivers/scsi/mpt3sas/mpt3sas_base.c 2af5cddbc76400 Ranjan Kumar 2023-12-27 7976 2af5cddbc76400 Ranjan Kumar 2023-12-27 7977 /** 2af5cddbc76400 Ranjan Kumar 2023-12-27 7978 * _base_diag_reset - the "big hammer" start of day reset 2af5cddbc76400 Ranjan Kumar 2023-12-27 7979 * @ioc: per adapter object 2af5cddbc76400 Ranjan Kumar 2023-12-27 7980 * 2af5cddbc76400 Ranjan Kumar 2023-12-27 7981 * Return: 0 for success, non-zero for failure. 2af5cddbc76400 Ranjan Kumar 2023-12-27 7982 */ 2af5cddbc76400 Ranjan Kumar 2023-12-27 7983 static int 2af5cddbc76400 Ranjan Kumar 2023-12-27 7984 _base_diag_reset(struct MPT3SAS_ADAPTER *ioc) 2af5cddbc76400 Ranjan Kumar 2023-12-27 7985 { 2af5cddbc76400 Ranjan Kumar 2023-12-27 7986 u32 host_diagnostic; 2af5cddbc76400 Ranjan Kumar 2023-12-27 7987 u32 ioc_state; 2af5cddbc76400 Ranjan Kumar 2023-12-27 7988 u32 count; 2af5cddbc76400 Ranjan Kumar 2023-12-27 7989 u32 hcb_size; 2af5cddbc76400 Ranjan Kumar 2023-12-27 7990 2af5cddbc76400 Ranjan Kumar 2023-12-27 7991 ioc_info(ioc, "sending diag reset !!\n"); 2af5cddbc76400 Ranjan Kumar 2023-12-27 7992 2af5cddbc76400 Ranjan Kumar 2023-12-27 7993 pci_cfg_access_lock(ioc->pdev); f92363d1235949 Sreekanth Reddy 2012-11-30 7994 2af5cddbc76400 Ranjan Kumar 2023-12-27 7995 drsprintk(ioc, ioc_info(ioc, "clear interrupts\n")); 2af5cddbc76400 Ranjan Kumar 2023-12-27 7996 2af5cddbc76400 Ranjan Kumar 2023-12-27 7997 mutex_lock(&ioc->hostdiag_unlock_mutex); 2af5cddbc76400 Ranjan Kumar 2023-12-27 7998 if (mpt3sas_base_unlock_and_get_host_diagnostic(ioc, &host_diagnostic)) 2af5cddbc76400 Ranjan Kumar 2023-12-27 7999 goto out; 2af5cddbc76400 Ranjan Kumar 2023-12-27 8000 2af5cddbc76400 Ranjan Kumar 2023-12-27 8001 hcb_size = ioc->base_readl(&ioc->chip->HCBSize); 919d8a3f3fef99 Joe Perches 2018-09-17 8002 drsprintk(ioc, ioc_info(ioc, "diag reset: issued\n")); f92363d1235949 Sreekanth Reddy 2012-11-30 8003 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, f92363d1235949 Sreekanth Reddy 2012-11-30 8004 &ioc->chip->HostDiagnostic); f92363d1235949 Sreekanth Reddy 2012-11-30 8005 b453ff84de6caf Sreekanth Reddy 2013-06-29 8006 /* This delay allows the chip PCIe hardware time to finish reset tasks */ b453ff84de6caf Sreekanth Reddy 2013-06-29 8007 msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); f92363d1235949 Sreekanth Reddy 2012-11-30 8008 b453ff84de6caf Sreekanth Reddy 2013-06-29 8009 /* Approximately 300 second max wait */ b453ff84de6caf Sreekanth Reddy 2013-06-29 8010 for (count = 0; count < (300000000 / b453ff84de6caf Sreekanth Reddy 2013-06-29 8011 MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { f92363d1235949 Sreekanth Reddy 2012-11-30 8012 4ca10f3e31745d Ranjan Kumar 2023-08-29 8013 host_diagnostic = ioc->base_readl_ext_retry(&ioc->chip->HostDiagnostic); f92363d1235949 Sreekanth Reddy 2012-11-30 8014 5b061980e36282 Sreekanth Reddy 2019-12-26 8015 if (host_diagnostic == 0xFFFFFFFF) { 5b061980e36282 Sreekanth Reddy 2019-12-26 8016 ioc_info(ioc, 5b061980e36282 Sreekanth Reddy 2019-12-26 8017 "Invalid host diagnostic register value\n"); af6ec1eee5ed68 Suganath Prabu S 2020-07-30 8018 _base_dump_reg_set(ioc); f92363d1235949 Sreekanth Reddy 2012-11-30 8019 goto out; 5b061980e36282 Sreekanth Reddy 2019-12-26 8020 } f92363d1235949 Sreekanth Reddy 2012-11-30 8021 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) f92363d1235949 Sreekanth Reddy 2012-11-30 8022 break; f92363d1235949 Sreekanth Reddy 2012-11-30 8023 2af5cddbc76400 Ranjan Kumar 2023-12-27 8024 /* Wait to pass the second read delay window */ 98c56ad32c33f0 Calvin Owens 2016-07-28 @8025 msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC/1000); f92363d1235949 Sreekanth Reddy 2012-11-30 8026 } f92363d1235949 Sreekanth Reddy 2012-11-30 8027 f92363d1235949 Sreekanth Reddy 2012-11-30 8028 if (host_diagnostic & MPI2_DIAG_HCB_MODE) { f92363d1235949 Sreekanth Reddy 2012-11-30 8029 919d8a3f3fef99 Joe Perches 2018-09-17 8030 drsprintk(ioc, 2af5cddbc76400 Ranjan Kumar 2023-12-27 8031 ioc_info(ioc, "restart the adapter assuming the\n" 2af5cddbc76400 Ranjan Kumar 2023-12-27 8032 "HCB Address points to good F/W\n")); f92363d1235949 Sreekanth Reddy 2012-11-30 8033 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; f92363d1235949 Sreekanth Reddy 2012-11-30 8034 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; f92363d1235949 Sreekanth Reddy 2012-11-30 8035 writel(host_diagnostic, &ioc->chip->HostDiagnostic); f92363d1235949 Sreekanth Reddy 2012-11-30 8036 919d8a3f3fef99 Joe Perches 2018-09-17 8037 drsprintk(ioc, ioc_info(ioc, "re-enable the HCDW\n")); f92363d1235949 Sreekanth Reddy 2012-11-30 8038 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, f92363d1235949 Sreekanth Reddy 2012-11-30 8039 &ioc->chip->HCBSize); f92363d1235949 Sreekanth Reddy 2012-11-30 8040 } f92363d1235949 Sreekanth Reddy 2012-11-30 8041 919d8a3f3fef99 Joe Perches 2018-09-17 8042 drsprintk(ioc, ioc_info(ioc, "restart the adapter\n")); f92363d1235949 Sreekanth Reddy 2012-11-30 8043 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, f92363d1235949 Sreekanth Reddy 2012-11-30 8044 &ioc->chip->HostDiagnostic); f92363d1235949 Sreekanth Reddy 2012-11-30 8045 2af5cddbc76400 Ranjan Kumar 2023-12-27 8046 mpt3sas_base_lock_host_diagnostic(ioc); 2af5cddbc76400 Ranjan Kumar 2023-12-27 8047 mutex_unlock(&ioc->hostdiag_unlock_mutex); f92363d1235949 Sreekanth Reddy 2012-11-30 8048 919d8a3f3fef99 Joe Perches 2018-09-17 8049 drsprintk(ioc, ioc_info(ioc, "Wait for FW to go to the READY state\n")); 98c56ad32c33f0 Calvin Owens 2016-07-28 8050 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20); f92363d1235949 Sreekanth Reddy 2012-11-30 8051 if (ioc_state) { 919d8a3f3fef99 Joe Perches 2018-09-17 8052 ioc_err(ioc, "%s: failed going to ready state (ioc_state=0x%x)\n", 919d8a3f3fef99 Joe Perches 2018-09-17 8053 __func__, ioc_state); af6ec1eee5ed68 Suganath Prabu S 2020-07-30 8054 _base_dump_reg_set(ioc); f92363d1235949 Sreekanth Reddy 2012-11-30 8055 goto out; f92363d1235949 Sreekanth Reddy 2012-11-30 8056 } f92363d1235949 Sreekanth Reddy 2012-11-30 8057 3c8604691d2acc Sreekanth Reddy 2021-03-30 8058 pci_cfg_access_unlock(ioc->pdev); 919d8a3f3fef99 Joe Perches 2018-09-17 8059 ioc_info(ioc, "diag reset: SUCCESS\n"); f92363d1235949 Sreekanth Reddy 2012-11-30 8060 return 0; f92363d1235949 Sreekanth Reddy 2012-11-30 8061 f92363d1235949 Sreekanth Reddy 2012-11-30 8062 out: 3c8604691d2acc Sreekanth Reddy 2021-03-30 8063 pci_cfg_access_unlock(ioc->pdev); 919d8a3f3fef99 Joe Perches 2018-09-17 8064 ioc_err(ioc, "diag reset: FAILED\n"); 2af5cddbc76400 Ranjan Kumar 2023-12-27 8065 mutex_unlock(&ioc->hostdiag_unlock_mutex); f92363d1235949 Sreekanth Reddy 2012-11-30 8066 return -EFAULT; f92363d1235949 Sreekanth Reddy 2012-11-30 8067 } f92363d1235949 Sreekanth Reddy 2012-11-30 8068 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki