diff options
author | Saurav Kashyap <skashyap@marvell.com> | 2020-08-06 14:10:11 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-03 12:24:25 +0300 |
commit | aba997482bc5304d90b3adf42527089ac6d02c02 (patch) | |
tree | ad312530cde2737343981dd8c6d0db2e68ea73ff /drivers/scsi/qla2xxx | |
parent | 023e0e6bd2d91ffff61cd040cece6f31bb826a38 (diff) | |
download | linux-aba997482bc5304d90b3adf42527089ac6d02c02.tar.xz |
scsi: qla2xxx: Check if FW supports MQ before enabling
[ Upstream commit dffa11453313a115157b19021cc2e27ea98e624c ]
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>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index b56cf790587e..e17ca7df8d0e 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1997,6 +1997,11 @@ 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; |