Re: [cip-dev] [PATCH 4.19.y-cip 01/12] arm64: dts: renesas: r8a774a1-hihope-rzg2m[-ex/-ex-idk-1110wr]: Rename HiHope RZ/G2M boards

From: Biju Das <biju.das.jz@bp.renesas.com>
To: Pavel Machek <pavel@denx.de>
Cc: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
	"cip-dev@lists.cip-project.org" <cip-dev@lists.cip-project.org>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [cip-dev] [PATCH 4.19.y-cip 01/12] arm64: dts: renesas: r8a774a1-hihope-rzg2m[-ex/-ex-idk-1110wr]: Rename HiHope RZ/G2M boards
Date: Wed, 26 Aug 2020 06:32:48 +0000	[thread overview]
Message-ID: <TYBPR01MB530908ABFF44B4CA8C8D8F6786540@TYBPR01MB5309.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20200825215126.GA28711@amd>

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Hi Pavel,

Thanks for the feedback.

> Subject: Re: [PATCH 4.19.y-cip 01/12] arm64: dts: renesas: r8a774a1-hihope-
> rzg2m[-ex/-ex-idk-1110wr]: Rename HiHope RZ/G2M boards
>
> Hi!
>
> > > I believe it would be better to always use explicit revision in
> > > these cases; anything else is fairly confusing, as kernel update
> > > breaks your setup (aka a regresssion).
> > >
> > > Now, if -rev2 had few copies, and people really have -rev4, there
> > > will not be much breakage. But imagine if rare -rev5 is released in
> future...
> > >
> > > But mainline already made the choice. I'd just prefer not making
> > > same choice in future.
> > >
> > > Now, what to do here? One way would be to apply a series, but add a
> > > README.cip file explaining incompatible change (and any future stuff
> > > people need to know).
> >
> > OK. Either README.cip or " by including more information on the reference
> hardware and test information on CIP wiki." as suggested by Nobuhiro.
> > Please let us know, How do we want to proceed?
> >
>
> I guess we should really have README file in the tree, explaining potential
> compatibility issues and anything unusual happening in the tree. I went
> through old changelogs, and collected these for 4.19
> tree:
>
> * -cip3: MDS sampling vulnerability fixes
>
> This release includes many CVE fixes including MDS (Microarchitectural Data
> Sampling: CVE-2018-12130, CVE-2018-12126, CVE-2018-12127, CVE-2019-
> 11091). These fixes were more extensive and harder to review than usual for
> -stable tree.
>
> * -cip9: m57621-mmc driver was removed
>
> m57621-mmc driver was removed due to uncertainty about its licensing.
>
> * -cip34: Support for Renesas RZ/G2[MN] revision 4 board
>
> In -cip34, support for revision 4 of the board was merged. After the merge,
> r8a774a1-hihope-rzg2m*.dtb files are suitable for revision 4 of the board; if
> you want to produce dtb files for revision 2 of the board, append -rev2 to the
> file names.
>
> ---
>
> Does that sound ok?

Yes, It looks good to me.

Cheers,
Biju

Renesas Electronics Europe GmbH, Geschaeftsfuehrer/President: Carsten Jauch, Sitz der Gesellschaft/Registered office: Duesseldorf, Arcadiastrasse 10, 40472 Duesseldorf, Germany, Handelsregister/Commercial Register: Duesseldorf, HRB 3708 USt-IDNr./Tax identification no.: DE 119353406 WEEE-Reg.-Nr./WEEE reg. no.: DE 14978647

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