From: Saurav Kashyap <skashyap@xxxxxxxxxxx>
During recovery due to fcoe fn ramrod failure, we
wait for 2 sec and then call qed->probe, if probe
fails then re-try max 10 times.
Signed-off-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Signed-off-by: Javed Hasan <jhasan@xxxxxxxxxxx>
---
drivers/scsi/qedf/qedf_main.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 3a45ca7..091cf86 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3245,11 +3245,16 @@ 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));
@@ -3336,6 +3341,12 @@ 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;
--
1.8.3.1
