Hi Ulf,


I'm currently trying to take over and refactor the task refer to your series.
And there hasn't been much progress recently because I'm busy with other work.


Regards,

Renius

>-----Original Message-----
>From: Ulf Hansson [mailto:ulf.hansson@linaro.org]
>Sent: Wednesday, March 31, 2021 5:57 PM
>To: BenChuang[莊智量]; Renius Chen
>Cc: AKASHI Takahiro; GregTu[杜啟軒]; Masami Hiramatsu; Takao Orito; Linux
>Kernel Mailing List; Ulf Hansson; Adrian Hunter; linux-mmc
>Subject: Re: [PATCH 0/4] mmc: core: Preparations to support SD UHS-II cards
>
>Hi Ben, Renius,
>
>On Thu, 25 Feb 2021 at 18:04, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>>
>> A series [1] that has been collaborative worked upon by Takahiro Akashi
>> (Linaro) and Ben Chuang (Genesys Logic) is targeting to add SD UHS-II support
>> to the mmc subsystem.
>>
>> Throughout the reviews, we realized that the changes affecting the mmc core
>to
>> support the UHS-II interface/protocol might not be entirely straightforward to
>> implement. Especially, I expressed some concerns about the code that
>manages
>> power on/off, initialization and power management of a SD UHS-II card.
>>
>> Therefore, I have posted this small series to try to help to put some of the
>> foundation in the mmc core in place. Hopefully this can provide some
>guidance
>> and an overall structure, of how I think the code could evolve.
>>
>> More details are available in the commit messages and through comments in
>the
>> code, for each path.
>>
>> Kind regards
>> Uffe
>
>I just wanted to get an update from your side. Did $subject series
>help to move things forward?
>
>If there is anything else I can help with, then please ping me.
>
>Kind regards
>Uffe
>
>>
>> [1]
>> https://lkml.org/lkml/2020/11/5/1472
>>
>>
>> Ulf Hansson (4):
>>   mmc: core: Cleanup printing of speed mode at card insertion
>>   mmc: core: Prepare to support SD UHS-II cards
>>   mmc: core: Announce successful insertion of an SD UHS-II card
>>   mmc: core: Extend support for mmc regulators with a vqmmc2
>>
>>  drivers/mmc/core/Makefile    |   2 +-
>>  drivers/mmc/core/bus.c       |  38 +++--
>>  drivers/mmc/core/core.c      |  17 ++-
>>  drivers/mmc/core/core.h      |   1 +
>>  drivers/mmc/core/host.h      |   5 +
>>  drivers/mmc/core/regulator.c |  34 +++++
>>  drivers/mmc/core/sd_uhs2.c   | 289
>+++++++++++++++++++++++++++++++++++
>>  include/linux/mmc/card.h     |   6 +
>>  include/linux/mmc/host.h     |  30 ++++
>>  9 files changed, 404 insertions(+), 18 deletions(-)
>>  create mode 100644 drivers/mmc/core/sd_uhs2.c
>>
>> --
>> 2.25.1
>>
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On Wed, 31 Mar 2021 at 12:26, ReniusChen[陳建宏]
<Renius.Chen@genesyslogic.com.tw> wrote:
>
> Hi Ulf,
>
>
> I'm currently trying to take over and refactor the task refer to your series.
> And there hasn't been much progress recently because I'm busy with other work.

Alright, thanks for sharing the update.

Don't hesitate to ping me if there is anything you need my help on
around the UHS-II support.

[...]

Kind regards
Uffe