diff options
| author | Asutosh Das <quic_asutoshd@quicinc.com> | 2023-02-16 09:13:46 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-02-21 18:20:35 -0500 |
| commit | 2076f57f2ca0a2034afac7832257b2bc509c1a87 (patch) | |
| tree | 891b35fabd3336dcaa7def6c84e618f0c67ff421 /drivers/ufs | |
| parent | 19873b03f1daeffd9d5e089b855dd926975ab5b7 (diff) | |
scsi: ufs: mcq: Fix incorrectly set queue depth
ufshcd_config_mcq() may change the can_queue value. The current code
invokes scsi_add_host() before ufshcd_config_mcq() so the tags are
limited to the original can_queue value.
Fix this by invoking scsi_add_host() after ufshcd_config_mcq().
Link: https://lore.kernel.org/r/8840cea4a57b46dabce18acc39afc50ab826330f.1676567593.git.quic_asutoshd@quicinc.com
Fixes: 2468da61ea09 ("scsi: ufs: core: mcq: Configure operation and runtime interface")
Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 0baeec4ca304..47c7739b9a86 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8521,7 +8521,9 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) return ret; if (is_mcq_supported(hba) && !hba->scsi_host_added) { ret = ufshcd_alloc_mcq(hba); - if (ret) { + if (!ret) { + ufshcd_config_mcq(hba); + } else { /* Continue with SDB mode */ use_mcq_mode = false; dev_err(hba->dev, "MCQ mode is disabled, err=%d\n", @@ -8533,10 +8535,10 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) return ret; } hba->scsi_host_added = true; - } - /* MCQ may be disabled if ufshcd_alloc_mcq() fails */ - if (is_mcq_supported(hba) && use_mcq_mode) + } else if (is_mcq_supported(hba)) { + /* UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH is set */ ufshcd_config_mcq(hba); + } } ufshcd_tune_unipro_params(hba); |