Commit 831805a1 authored Dec 16, 2013 by Vikas Chaudhary Committed by James Bottomley Mar 15, 2014

[SCSI] qla4xxx: Fix failure of IDC Time Extend mailbox command



Issue:
Mailbox command 0x102 (IDC Time Extend) failure seen while applying
changes to iface using iscsiadm

Fix:
Added fix to extend IDC timeout only for ISP84xx when IDC ACK
needs to be posted and disable ACB mailbox command completion
is in intermediate state.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

parent de2efea6

drivers/scsi/qla4xxx/ql4_mbx.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1922,6 +1922,7 @@ int qla4xxx_disable_acb(struct scsi_qla_host *ha)
		mbox_sts[0], mbox_sts[1], mbox_sts[2]));
		} else {
		if (is_qla8042(ha) &&
		test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) &&
		(mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) {
		/*
		* Disable ACB mailbox command takes time to complete