[PATCH v2 2/9] ufs: host: mediatek: Add DDR_EN setting

Bart Van Assche bvanassche at acm.org
Fri Jul 18 08:14:03 PDT 2025


On 7/18/25 2:51 AM, peter.wang at mediatek.com wrote:
> diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h
> index 05d76a6bd772..474fdec0a880 100644
> --- a/drivers/ufs/host/ufs-mediatek.h
> +++ b/drivers/ufs/host/ufs-mediatek.h
> @@ -192,4 +192,16 @@ struct ufs_mtk_host {
>   /* MTK RTT support number */
>   #define MTK_MAX_NUM_RTT 2
>   
> +/* UFSHCI MTK ip version value */
> +enum {
> +	/* UFS 3.1 */
> +	IP_VER_MT6878    = 0x10420200,
> +
> +	/* UFS 4.0 */
> +	IP_VER_MT6897    = 0x10440000,
> +	IP_VER_MT6989    = 0x10450000,
> +
> +	IP_VER_NONE      = 0xFFFFFFFF
> +};

I still see "UFSHCI" in the comment above the enum and "UFS" in the
comments inside the enum? Is that intentional?

Thanks,

Bart.



More information about the Linux-mediatek mailing list