linux-kernel - Re: [PATCH v3 00/15] Canaan devicetree fixes

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Date:   Thu, 30 Jun 2022 16:28:26 +0000
From:   Niklas Cassel <Niklas.Cassel@....com>
To:     Conor Dooley <mail@...chuod.ie>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dillon Min <dillon.minfei@...il.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 00/15] Canaan devicetree fixes

On Wed, Jun 29, 2022 at 07:43:29PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> Hey all,
> This series should rid us of dtbs_check errors for the RISC-V Canaan k210
> based boards. To make keeping it that way a little easier, I changed the
> Canaan devicetree Makefile so that it would build all of the devicetrees
> in the directory if SOC_CANAAN.
> 
> I *DO NOT* have any Canaan hardware so I have not tested any of this in
> action. Since I sent v1, I tried to buy some since it's cheap - but could
> out of the limited stockists none seemed to want to deliver to Ireland :(
> I based the series on next-20220617.
> 

I first tried to apply your series on top of next-20220630,
but was greeted by a bunch of different warnings on boot,
including endless RCU stall warnings.
However, even when booting next-20220630 without your patches,
I got the same warnings and RCU stall.

So I tested your series on top of v5.19-rc4 +
commit 0397d50f4cad ("spi: dt-bindings: Move 'rx-sample-delay-ns' to
spi-peripheral-props.yaml") cherry-picked,
(in order to avoid conflicts when applying your series,)
and the board was working as intended, no warnings or RCU stalls.

I tried both booting both via u-boot (with u-boots DTB)
and booting the kernel (with an initrd) directly.
I could successfully read data from the MMC in both cases.

Therefore:
Tested-by: Niklas Cassel <niklas.cassel@....com>