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

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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>
This commit is contained in:
Vikas Chaudhary 2013-12-16 06:49:41 -05:00 committed by James Bottomley
parent de2efea62b
commit 831805a150
1 changed files with 1 additions and 0 deletions
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1
drivers/scsi/qla4xxx/ql4_mbx.c
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@ -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