diff options
| author | Saurav Kashyap <skashyap@marvell.com> | 2020-09-07 05:14:42 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-09-08 23:14:19 -0400 |
| commit | 988100a7de0f07c27063d1376ebc4eab983e228b (patch) | |
| tree | 11c13cd58d1859569a81a166334bda109bb1e674 /drivers/scsi/qedf/qedf_main.c | |
| parent | 55e049910e08caff21c8535c6d6672dc4665f36d (diff) | |
| download | linux-988100a7de0f07c27063d1376ebc4eab983e228b.tar.bz2 | |
scsi: qedf: Retry qed->probe during recovery
During recovery due to FCoE fn ramrod failure we wait for 2 sec and then
call qed->probe. If probe fails then retry max 10 times.
Link: https://lore.kernel.org/r/20200907121443.5150-8-jhasan@marvell.com
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qedf/qedf_main.c')
| -rw-r--r-- | drivers/scsi/qedf/qedf_main.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index ed595c83be3d..20b0c5e1c2c5 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -3267,11 +3267,16 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) void *task_start, *task_end; struct qed_slowpath_params slowpath_params; struct qed_probe_params qed_params; + u16 retry_cnt = 10; /* * When doing error recovery we didn't reap the lport so don't try * to reallocate it. */ +retry_probe: + if (mode == QEDF_MODE_RECOVERY) + msleep(2000); + if (mode != QEDF_MODE_RECOVERY) { lport = libfc_host_alloc(&qedf_host_template, sizeof(struct qedf_ctx)); @@ -3358,6 +3363,12 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) qed_params.is_vf = is_vf; qedf->cdev = qed_ops->common->probe(pdev, &qed_params); if (!qedf->cdev) { + if ((mode == QEDF_MODE_RECOVERY) && retry_cnt) { + QEDF_ERR(&qedf->dbg_ctx, + "Retry %d initialize hardware\n", retry_cnt); + retry_cnt--; + goto retry_probe; + } QEDF_ERR(&qedf->dbg_ctx, "common probe failed.\n"); rc = -ENODEV; goto err1; |