linux-kernel - Re: [PATCH net-next v6 00/11] net: ethernet: ti: add networking support for k3 am65x/j721e soc

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Message-ID: <20200402094239.GA3770@willie-the-truck>
Date:   Thu, 2 Apr 2020 10:42:40 +0100
From:   Will Deacon <will@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     davem@...emloft.net, arnd@...db.de, devicetree@...r.kernel.org,
        grygorii.strashko@...com, kishon@...com, kuba@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        m-karicheri2@...com, netdev@...r.kernel.org, nsekhar@...com,
        olof@...om.net, olteanv@...il.com, peter.ujfalusi@...com,
        robh@...nel.org, rogerq@...com, t-kristo@...com,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH net-next v6 00/11] net: ethernet: ti: add networking
 support for k3 am65x/j721e soc

On Wed, Apr 01, 2020 at 03:35:00PM -0700, Nick Desaulniers wrote:
> >> I think the ARM64 build is now also broken on Linus' master branch,
> >> after the net-next merge? I am not quite sure if the device tree
> >> patches were supposed to land in mainline the way they did.
> >
> >There's a fix in my net tree and it will go to Linus soon.
> >
> >There is no clear policy for dt change integration, and honestly
> >I try to deal with the situation on a case by case basis.
> 
> Yep, mainline aarch64-linux-gnu- builds are totally hosed.  DTC fails the build
> very early on:
> https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/311246218
> https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/311246270
> There was no failure in -next, not sure how we skipped our canary in the coal
> mine.

Yes, one of the things linux-next does a really good job at catching is
build breakage so it would've been nice to have seen this there rather
than end up with breakage in Linus' tree :(

Was the timing just bad, or are we missing DT coverage or something else?

Will