redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

scsi: qla2xxx: Check if FW supports MQ before enabling 

[ Upstream commit dffa114533 ]

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.

Link: https://lore.kernel.org/r/20200806111014.28434-9-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Saurav Kashyap 2020-08-06 04:10:11 -07:00 committed by Greg Kroah-Hartman
parent 88274626d1
commit 36a139cf41
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/scsi/qla2xxx/qla_os.c
View File

@ -1993,6 +1993,11 @@ skip_pio:
/* 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;