Commit 988100a7 authored by Saurav Kashyap's avatar Saurav Kashyap Committed by Martin K. Petersen
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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: default avatarSaurav Kashyap <skashyap@marvell.com>
Signed-off-by: default avatarJaved Hasan <jhasan@marvell.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 55e04991

drivers/scsi/qedf/qedf_main.c

+11 −0
Original line number Diff line number Diff line
@@ -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;