linux-kernel - Re: [PATCH] arm64: dts: ensure backward compatibility of the AP807 Xenon

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Message-ID: <CAPv3WKfJkeN7ez1O0UZ4w3U1tHa71hjsQ=uAsPX1bw4Otmpftg@mail.gmail.com>
Date:   Wed, 16 Jun 2021 21:12:37 +0200
From:   Marcin Wojtas <mw@...ihalf.com>
To:     Grégory Clement <gregory.clement@...tlin.com>
Cc:     linux-arm-kernel@...ts.infradead.org, Andrew Lunn <andrew@...n.ch>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH] arm64: dts: ensure backward compatibility of the AP807 Xenon

Hi!

śr., 12 maj 2021 o 17:50 Marcin Wojtas <mw@...ihalf.com> napisał(a):
>
> Hi Gregory,
>
> pon., 22 mar 2021 o 13:14 Andrew Lunn <andrew@...n.ch> napisał(a):
> >
> > On Mon, Mar 22, 2021 at 01:39:15AM +0100, Marcin Wojtas wrote:
> > > A recent switch to a dedicated AP807 compatible string for the Xenon
> > > SD/MMC controller result in the driver not being probed when
> > > using updated device tree with the older kernel revisions.
> > > It may also be problematic for other OSs/firmware that use
> > > Linux device tree sources as a reference. Resolve the problem
> > > with backward compatibility by restoring a previous compatible
> > > string as secondary one.
> > >
> > > Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
> >
> > Reviewed-by: Andrew Lunn <andrew@...n.ch>
> >
>
> Do you have any feedback about this patch? I just noticed it's not
> merged in v5.13-rc1, it would be great to have it in the next release
> though.
>

Kind reminder. We are approaching v5.13 and it would be really great
to have this fix in time.

Thanks,
Marcin