linux-kernel - Re: [PATCH V5 00/26] Add support UHS-II for GL9755

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Date:   Fri, 4 Nov 2022 18:43:49 +0800
From:   Victor Shih <victorshihgli@...il.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, benchuanggli@...il.com,
        HL.Liu@...esyslogic.com.tw, Greg.tu@...esyslogic.com.tw,
        takahiro.akashi@...aro.org, dlunev@...omium.org,
        Victor Shih <victor.shih@...esyslogic.com.tw>
Subject: Re: [PATCH V5 00/26] Add support UHS-II for GL9755

Hi, Adrian

Adrian Hunter <adrian.hunter@...el.com> 於 2022年11月2日 週三 凌晨1:28寫道：
>
> On 19/10/22 14:06, Victor Shih wrote:
> > Summary
> > =======
> > These patches[1] support UHS-II and fix GL9755 UHS-II compatibility.
> >
> > About UHS-II, roughly deal with the following three parts:
> > 1) A UHS-II detection and initialization:
> > - Host setup to support UHS-II (Section 3.13.1 Host Controller Setup Sequence
> >   [2]).
> > - Detect a UHS-II I/F (Section 3.13.2 Card Interface Detection Sequence[2]).
> > - In step(9) of Section 3.13.2 in [2], UHS-II initialization is include Section
> >   3.13.3 UHS-II Card Initialization and Section 3.13.4 UHS-II Setting Register
> >   Setup Sequence.
> >
> > 2) Send Legacy SD command through SD-TRAN
> > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Legacy SD
> >   compatibility and preserve Legacy SD infrastructures (Section 7.1.1 Packet
> >   Types and Format Overview[3]).
> > - Host issue a UHS-II CCMD packet or a UHS-II DCMD (Section 3.13.5 UHS-II
> >   CCMD Packet issuing and Section 3.13.6 UHS-II DCMD Packet issuing[2]).
> >
> > 3) UHS-II Interrupt
> > - Except for UHS-II error interrupts, most interrupts share the original
> >   interrupt registers.
> >
> > Patch structure
> > ===============
> > patch#1-#6:  for core
> > patch#7-#25: for sdhci
> > patch#26:    for GL9755
>
> Thanks for putting this together.
>
> I haven't looked at all the patches, but have requested quite
> a lot of small changes, so there should be enough to be going
> on with for now.

Thanks for your help. I will confirm your advice in each patch and
follow your advice to change.

Thanks, Victor Shih