diff mbox series

[08/10] qla2xxx: Check if FW supports MQ before enabling

Message ID 20200805044402.30543-9-njavali@marvell.com (mailing list archive)
State Superseded
Headers show
Series qla2xxx driver bug fixes | expand

Commit Message

Nilesh Javali Aug. 5, 2020, 4:44 a.m. UTC 
From: Saurav Kashyap <skashyap@marvell.com>

OS boot during Boot from SAN was stuck at dracut emergency shell
after enabling nvme driver parameter. For non MQ support the driver
was enabling MQ. Add a check to confirm if FW supports MQ.

Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 9b59f032a569..fda812b9b564 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2017,6 +2017,11 @@  qla2x00_iospace_config(struct qla_hw_data *ha)
 	/* Determine queue resources */
 	ha->max_req_queues = ha->max_rsp_queues = 1;
 	ha->msix_count = QLA_BASE_VECTORS;
+
+	/* Check if FW supports MQ or not */
+	if (!(ha->fw_attributes & BIT_6))
+		goto mqiobase_exit;
+
 	if (!ql2xmqsupport || !ql2xnvmeenable ||
 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
 		goto mqiobase_exit;