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| author | Peter Wang <peter.wang@mediatek.com> | 2023-12-21 19:04:15 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-01-23 21:06:06 -0500 |
| commit | 468b3e0a3bca659bff6ddc48d5baeddfd678be7b (patch) | |
| tree | a3ba6c4d14ec24e8310df29b4d78366b307b06ec /drivers/ufs | |
| parent | 29b3a373e2df30b1f8bb9ef8a0d480cce3d0e295 (diff) | |
| download | linux-468b3e0a3bca659bff6ddc48d5baeddfd678be7b.tar.gz | |
scsi: ufs: ufs-mediatek: Fix MCQ mode TM cmd timeout
Fix TM cmd timeout issue in MCQ mode using the default resume call
ufshcd_make_hba_operational() to set TM cmd DMA address.
This flow is the same as UFS initialization after link startup and then
setting MCQ related registers if using MCQ mode.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20231221110416.16176-3-peter.wang@mediatek.com
Reviewed-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index dcccb63f74b94..47b5f49cda9da 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1201,9 +1201,11 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba) } ufshcd_set_link_active(hba); - if (!hba->mcq_enabled) { - err = ufshcd_make_hba_operational(hba); - } else { + err = ufshcd_make_hba_operational(hba); + if (err) + return err; + + if (is_mcq_enabled(hba)) { ufs_mtk_config_mcq(hba, false); ufshcd_mcq_make_queues_operational(hba); ufshcd_mcq_config_mac(hba, hba->nutrs); @@ -1212,9 +1214,6 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba) REG_UFS_MEM_CFG); } - if (err) - return err; - return 0; } |