diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 482be0a461f8fd114e3b2ad31d99fd1bb31c5737..09809c3bd317038a65e4cafebb038c1c44ced91a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1600,7 +1600,6 @@ void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba) { struct Scsi_Host *shost = hisi_hba->shost; - down(&hisi_hba->sem); hisi_hba->phy_state = hisi_hba->hw->get_phys_state(hisi_hba); scsi_block_requests(shost); @@ -1626,9 +1625,9 @@ void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba) if (hisi_hba->reject_stp_links_msk) hisi_sas_terminate_stp_reject(hisi_hba); hisi_sas_reset_init_all_devices(hisi_hba); - up(&hisi_hba->sem); scsi_unblock_requests(shost); clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags); + up(&hisi_hba->sem); hisi_sas_rescan_topology(hisi_hba, hisi_hba->phy_state); } @@ -1639,8 +1638,11 @@ static int hisi_sas_controller_prereset(struct hisi_hba *hisi_hba) if (!hisi_hba->hw->soft_reset) return -1; - if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) + down(&hisi_hba->sem); + if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) { + up(&hisi_hba->sem); return -1; + } if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) hisi_hba->hw->debugfs_snapshot_regs(hisi_hba); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index fd5bdb0afa715989c3ade7ed9777cf434adbaa1f..8dc86bebe5d2f97a83566b65f6de57a5bfeb163a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -4908,6 +4908,7 @@ static void hisi_sas_reset_prepare_v3_hw(struct pci_dev *pdev) int rc; dev_info(dev, "FLR prepare\n"); + down(&hisi_hba->sem); set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags); hisi_sas_controller_reset_prepare(hisi_hba);