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authorJames Smart <James.Smart@Emulex.Com>2006-07-06 21:49:49 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-07-09 17:21:00 +0200
commit4db621e0f3817e14c79513b42c0479d44d8467de (patch)
tree610af45ade8fe6d9e16cc039fe263ae47c0888d3 /drivers/scsi
parent[SCSI] lpfc 8.1.7: Fixed infinite retry of REG_LOGIN mailbox failed due to MB... (diff)
downloadlinux-4db621e0f3817e14c79513b42c0479d44d8467de.tar.xz
linux-4db621e0f3817e14c79513b42c0479d44d8467de.zip
[SCSI] lpfc 8.1.7: Issue DOWN_LINK prior to INIT_LINK to work around link failure issue
Issue DOWN_LINK prior to INIT_LINK to work around link failure issue Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b62a72dfab29..511de17a1f83 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -219,9 +219,19 @@ lpfc_issue_lip(struct Scsi_Host *host)
return -ENOMEM;
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
- lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
+ pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
+ pmboxq->mb.mbxOwner = OWN_HOST;
+
mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+ if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
+ memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ lpfc_init_link(phba, pmboxq, phba->cfg_topology,
+ phba->cfg_link_speed);
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+ phba->fc_ratov * 2);
+ }
+
if (mbxstatus == MBX_TIMEOUT)
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
else