[PATCH v2 0/8] Enhance UFS Mediatek Driver

Chun-Hung Wu (巫駿宏) Chun-hung.Wu at mediatek.com
Tue Sep 30 05:54:34 PDT 2025


On Wed, 2025-09-24 at 17:43 +0800, peter.wang at mediatek.com wrote:
> From: Peter Wang <peter.wang at mediatek.com>
> 
> Improves the UFS Mediatek driver by correcting clock scaling 
> with PM QoS, and adjusting power management flows. It addresses
> shutdown/suspend race conditions, and removes redundant
> functions. Support for new platforms is added with the 
> MMIO_OTSD_CTRL register, and MT6991 performance is optimized
> with MRTT and random improvements. These changes collectively 
> enhance driver performance, stability, and compatibility.
> 
> Changes since v1:
> 1. Remove two patches that will be fixed in UFS core.
>   ufs: host: mediatek: Fix runtime suspend error deadlock
>   ufs: host: mediatek: Enable interrupts for MCQ mode
> 2. Use hba->shutting_down instead of ufshcd_is_user_access_allowed
> 
> Peter Wang (7):
>   ufs: host: mediatek: Correct clock scaling with PM QoS flow
>   ufs: host: mediatek: Adjust clock scaling for PM flow
>   ufs: host: mediatek: Handle clock scaling for high gear in PM flow
>   ufs: host: mediatek: Adjust sync length for FASTAUTO mode
>   ufs: host: mediatek: Fix shutdown/suspend race condition
>   ufs: host: mediatek: Remove duplicate function
>   ufs: host: mediatek: Add support for new platform with
> MMIO_OTSD_CTR
> 
> Naomi Chu (1):
>   ufs: host: mediatek: Support new feature for MT6991
> 
>  drivers/ufs/core/ufs-sysfs.c    |   3 +-
>  drivers/ufs/core/ufshcd.c       |   3 +-
>  drivers/ufs/host/ufs-mediatek.c | 119 ++++++++++++++++++++++++++----
> --
>  drivers/ufs/host/ufs-mediatek.h |   4 ++
>  include/ufs/ufshcd.h            |   2 +
>  include/ufs/unipro.h            |   7 +-
>  6 files changed, 115 insertions(+), 23 deletions(-)
> 

Acked-by: Chun-Hung Wu <chun-hung.wu at mediatek.com>


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