[PATCH v2 0/3] ufs: Add callback for vendor-specific RTT capability

[Ed Tsai (蔡宗軒)]

On Fri, 2026-06-12 at 07:26 +0800, ed.tsai at mediatek.com wrote:
> From: Ed Tsai <ed.tsai at mediatek.com>
> 
> The first patch adds the get_hba_nortt() callback to the UFS core
> layer,
> allowing vendor drivers to provide dynamic, platform-specific RTT
> capability handling.
> 
> The second patch implements this callback in the MediaTek UFS driver,
> distinguishing between legacy platforms (which require the RTT to be
> limited to 2) and newer MT6995 B0+ platforms (which can use the value
> from the capability register directly).
> 
> The third patch removes the max_num_rtt field from
> ufs_hba_variant_ops
> as it is now replaced by the get_hba_nortt() callback.
> 
> Changes in v2:
> - Keep max_num_rtt field in patch 1 to maintain bisectability
> - Split removal of max_num_rtt into a separate patch (patch 3)
> 
> Ed Tsai (3):
>   ufs: core: Add get_hba_nortt callback for vendor-specific RTT
>     capability
>   ufs: mediatek: Implement get_hba_nortt callback for RTT capability
>   ufs: core: Remove max_num_rtt field from ufs_hba_variant_ops
> 
>  drivers/ufs/core/ufshcd.c       |  9 +++++----
>  drivers/ufs/host/ufs-mediatek.c | 12 +++++++++++-
>  drivers/ufs/host/ufs-mediatek.h |  4 ++--
>  include/ufs/ufshcd.h            |  4 +++-
>  4 files changed, 21 insertions(+), 8 deletions(-)
> 

Sorry, I sent the wrong v2. Please ignore this series.