[PATCH 3/6] qla2xxx: Fix driver reload for ISP82xx

[Himanshu Madhani <hmadhani@xxxxxxxxxxx>]

HINT_MBX_INT_PENDING is not guaranteed to be cleared by
firmware. Remove check that prevent driver load with ISP82XX.

Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx>
Signed-off-by: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 16 ++--------------
 drivers/scsi/qla2xxx/qla_nx.c  |  3 ++-
 2 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index a82b6db2fa9d..4c858e2d0ea8 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -253,21 +253,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 	if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
 		set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
 
-		if (IS_P3P_TYPE(ha)) {
-			if (RD_REG_DWORD(&reg->isp82.hint) &
-				HINT_MBX_INT_PENDING) {
-				ha->flags.mbox_busy = 0;
-				spin_unlock_irqrestore(&ha->hardware_lock,
-					flags);
-
-				atomic_dec(&ha->num_pend_mbx_stage2);
-				ql_dbg(ql_dbg_mbx, vha, 0x1010,
-				    "Pending mailbox timeout, exiting.\n");
-				rval = QLA_FUNCTION_TIMEOUT;
-				goto premature_exit;
-			}
+		if (IS_P3P_TYPE(ha))
 			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
-		} else if (IS_FWI2_CAPABLE(ha))
+		else if (IS_FWI2_CAPABLE(ha))
 			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
 		else
 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index a79f8da38abe..2b2028f2383e 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -2287,7 +2287,8 @@ qla82xx_disable_intrs(struct qla_hw_data *ha)
 {
 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 
-	qla82xx_mbx_intr_disable(vha);
+	if (ha->interrupts_on)
+		qla82xx_mbx_intr_disable(vha);
 
 	spin_lock_irq(&ha->hardware_lock);
 	if (IS_QLA8044(ha))
-- 
2.12.0