diff options
| author | Peter Wang <peter.wang@mediatek.com> | 2025-08-11 21:11:24 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-08-14 22:49:13 -0400 |
| commit | bacb96ce06c05804fae4bfd38c4058b6d4c423b3 (patch) | |
| tree | 0d6a5ef09e28a5a0d42c93e9121bfb773860e072 | |
| parent | f1617ecf18aaf222482f683f44ab4b155976539d (diff) | |
scsi: ufs: host: mediatek: Fix UniPro setting for MT6989
Set the UniPro attribute 0xD09E[4] bit to enable the 1144 functions
specifically for the MT6989 platform. This adjustment ensures proper
functionality and compatibility with the MT6989 hardware.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20250811131423.3444014-9-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 1fb8a094d2af..e3d99981a802 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1475,6 +1475,7 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) { int ret; u32 tmp; + struct ufs_mtk_host *host = ufshcd_get_variant(hba); ufs_mtk_get_controller_version(hba); @@ -1500,6 +1501,16 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_SAVEPOWERCONTROL), tmp); + /* Enable the 1144 functions setting */ + if (host->ip_ver == IP_VER_MT6989) { + ret = ufshcd_dme_get(hba, UIC_ARG_MIB(VS_DEBUGOMC), &tmp); + if (ret) + return ret; + + tmp |= 0x10; + ret = ufshcd_dme_set(hba, UIC_ARG_MIB(VS_DEBUGOMC), tmp); + } + return ret; } static void ufs_mtk_post_link(struct ufs_hba *hba) |