[SCSI] qla4xxx: Remove hiwat code so scsi eh does not get escalated when we can make progress

Removed unnecessary hiwat code to free up the number available IOCBs.
Eliminates unnecessary eh_ escalations due to inability to obtain IOCB
pkt for marker.

v2.
- Remove define not used anymore and fix req_q_coun accounting.

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
[michaelc: ported patch from qlogic.com driver to upstream]
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 051b0f5e8c8e..09d6d4b76f39 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -385,16 +385,6 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
                               mbox_sts[0]));
                 return QLA_ERROR;
         }
-
-        /* High-water mark of IOCBs */
-        ha->iocb_hiwat = mbox_sts[2];
-        if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
-                ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
-        else
-                dev_info(&ha->pdev->dev, "WARNING!!!  You have less than %d "
-                           "firmware IOCBs available (%d).\n",
-                           IOCB_HIWAT_CUSHION, ha->iocb_hiwat);
-
         return QLA_SUCCESS;
 }