[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>
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index f0dc6b3..6905bad 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1922,6 +1922,7 @@
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