Commit 4db621e0 authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

[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: default avatarJames Smart <James.Smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent d0e56dad

drivers/scsi/lpfc/lpfc_attr.c

+11 −1
Original line number Diff line number Diff line
@@ -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