diff options
| author | Alice Chao <alice.chao@mediatek.com> | 2025-09-03 10:44:40 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-09-09 22:46:23 -0400 |
| commit | b2f8abadabea32c49b0d624232016347082b1aa9 (patch) | |
| tree | bc919a879309d0b394dc82e0e8d673b3155f88ec | |
| parent | 77b96ef70b6ba46e3473e5e3a66095c4bc0e93a4 (diff) | |
scsi: ufs: host: mediatek: Correct resume flow for LPM and MTCMOS
Correct the system resume flow by turning MTCMOS on before setting LPM
to false. During system suspend, set LPM to true and turn MTCMOS
off. Ensure proper power management and system stability with the
updated resume sequence.
Signed-off-by: Alice Chao <alice.chao@mediatek.com>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 5ab76a31ae71..a6196c77462e 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -2327,11 +2327,11 @@ static int ufs_mtk_system_resume(struct device *dev) if (pm_runtime_suspended(hba->dev)) goto out; - ufs_mtk_dev_vreg_set_lpm(hba, false); - if (ufs_mtk_is_rtff_mtcmos(hba)) ufs_mtk_mtcmos_ctrl(true, res); + ufs_mtk_dev_vreg_set_lpm(hba, false); + out: ret = ufshcd_system_resume(dev); |