[SCSI] lpfc 8.3.27: Changed worst case mailbox timeout

Changed the timeout value for flash-based SLI_CONFIG (0x9B)
mailbox command to 300 seconds for worst case flash delays.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 72cb750..4b0333e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -4113,8 +4113,10 @@
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
-	int rc;
+	LPFC_MBOXQ_t *mboxq;
 	MAILBOX_t *pmb;
+	uint32_t mbox_tmo;
+	int rc;
 
 	if (off > MAILBOX_CMD_SIZE)
 		return -ERANGE;
@@ -4139,7 +4141,8 @@
 	if (off == 0 &&
 	    phba->sysfs_mbox.state  == SMBOX_WRITING &&
 	    phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
-		pmb = &phba->sysfs_mbox.mbox->u.mb;
+		mboxq = (LPFC_MBOXQ_t *)&phba->sysfs_mbox.mbox;
+		pmb = &mboxq->u.mb;
 		switch (pmb->mbxCommand) {
 			/* Offline only */
 		case MBX_INIT_LINK:
@@ -4249,9 +4252,8 @@
 
 		} else {
 			spin_unlock_irq(&phba->hbalock);
-			rc = lpfc_sli_issue_mbox_wait (phba,
-						       phba->sysfs_mbox.mbox,
-				lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
+			mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
+			rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
 			spin_lock_irq(&phba->hbalock);
 		}