Re: [PATCH 4.19.y-cip 00/12] Support RZ/G2[MN] rev4 board


Nobuhiro Iwamatsu
 

Hi,

-----Original Message-----
From: Pavel Machek [mailto:pavel@...]
Sent: Monday, August 24, 2020 4:38 AM
To: cip-dev@...
Cc: Pavel Machek <pavel@...>; Biju Das <biju.das.jz@...>; iwamatsu nobuhiro(岩松 信洋 □SWC◯A
CT) <nobuhiro1.iwamatsu@...>; Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...>
Subject: Re: [cip-dev] [PATCH 4.19.y-cip 00/12] Support RZ/G2[MN] rev4 board

Hi!

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Hi!

This patch series for supporting RZ/G2[MN] rev4 board to cip-4.19.y
kernel.
  arch/arm64/boot/dts/renesas/r8a774a1.dtsi | 11 -----------
  1 file changed, 11 deletions(-)
I'm pretty sure this is not the real diffstat.

Let me go through the changes. One concern: you are renaming dts
files. New names make a lot of sense, but that will likely break the
users, including our test infrastructure, no?
Technically yes, it would cause problems. However this seems to be
the way of doing things upstream. I guess upstream is a bit
different though as users would expect such things when upgrading
Kernel versions.
Yes, it is upstream problem, and should be fixed upstream.

And no, not even upgrading kernel versions should break anything.

lab-cip-renesas uses rev4 boards, so from a CIP testing point of
view there will be no issues.
Ok, good to know, it seems -rev2 boards are kind of rare?

I guess we could create "README.cip" explaining such non-standard
issues, and mention it in release changelog.
Or I think we can do this by including more information on the reference hardware
and test information on CIP wiki.


Best regards,
Pavel
Best regards,
Nobuhiro

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