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Date:   Tue, 25 Oct 2022 16:08:00 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Andrew Lunn <andrew@lunn.ch>, Juergen Borleis <jbe@pengutronix.de>
Cc:     netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel@pengutronix.de
Subject: Re: [PATCH v2] net: fec: limit register access on i.MX6UL
Message-ID: <20221025160800.4eda6f50@kernel.org>
In-Reply-To: <Y1fbaY6SSLppusvx@lunn.ch>
References: <20221024080552.21004-1-jbe@pengutronix.de>
        <Y1fbaY6SSLppusvx@lunn.ch>
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On Tue, 25 Oct 2022 14:49:45 +0200 Andrew Lunn wrote:
> On Mon, Oct 24, 2022 at 10:05:52AM +0200, Juergen Borleis wrote:
> > Using 'ethtool -d [=E2=80=A6]' on an i.MX6UL leads to a kernel crash:
> >=20
> >    Unhandled fault: external abort on non-linefetch (0x1008) at [=E2=80=
=A6]
> >=20
> > due to this SoC has less registers in its FEC implementation compared t=
o other
> > i.MX6 variants. Thus, a run-time decision is required to avoid access to
> > non-existing registers.
> >=20
> > Signed-off-by: Juergen Borleis <jbe@pengutronix.de> =20
>=20
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>

What would be the right Fixes tag for this? This one perhaps?

Fixes: a51d3ab50702 ("net: fec: use a more proper compatible string for i.M=
X6UL type device")