linux-kernel - Re: renesas_sdhi problems in 5.10-stable was Re: [PATCH 5.10 000/226] 5.10.198-rc1 review

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Date:   Thu, 26 Oct 2023 00:00:25 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Pavel Machek <pavel@...x.de>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        niklas.soderlund+renesas@...natech.se,
        yoshihiro.shimoda.uh@...esas.com, biju.das.jz@...renesas.com,
        Chris.Paterson2@...esas.com, stable@...r.kernel.org,
        patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        linux-reneas-soc@...r.kernel.org,
        Linux MMC List <linux-mmc@...r.kernel.org>
Subject: Re: renesas_sdhi problems in 5.10-stable was Re: [PATCH 5.10
 000/226] 5.10.198-rc1 review

Hi!

> > > > I don't have a HopeRun HiHope RZ/G2M, but both v5.10.198 and v5.10.199
> > > > seem to work fine on Salvator-XS with R-Car H3 ES2.0 and Salvator-X
> > > > with R-Car M3-W ES1.0, using a config based on latest renesas_defconfig.
> > >
> > > Sorry, I looked at the wrong log on R-Car M3-W.
> > > I do see the issue with v5.10.198, but not with v5.10.199.
> >
> > It seems to be an intermittent issue. Investigating...
> 
> After spending too much time on bisecting, the bad guy turns out to
> be commit 6d3745bbc3341d3b ("mmc: renesas_sdhi: register irqs before
> registering controller") in v5.10.198.

Thanks for bisection, let me take a look.

I reverted 6d3745bbc3341d3b on top of 5.10.199 and that solved my
issues:

https://gitlab.com/cip-project/cip-kernel/linux-cip/-/pipelines/1049624365

(Strange thing is I seen a failure on qemu this fixed, too. I guess
that must be some kind of glitch).

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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