diff options
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/core/ufs-mcq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 46faa54aea94..4bcae410c268 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -179,6 +179,15 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) return -EOPNOTSUPP; } + /* + * Device should support at least one I/O queue to handle device + * commands via hba->dev_cmd_queue. + */ + if (hba_maxq == poll_queues) { + dev_err(hba->dev, "At least one non-poll queue required\n"); + return -EOPNOTSUPP; + } + rem = hba_maxq; if (rw_queues) { |