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From:   Frank Wunderlich <frank-w@public-files.de>
To:     Vladimir Oltean <olteanv@gmail.com>
Cc:     =?UTF-8?Q?Ar=C4=B1n=C3=A7_=C3=9CNAL?= <arinc.unal@arinc9.com>,
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        linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
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Subject: Aw: Re: [PATCH net v2 2/7] net: dsa: mt7530: fix trapping frames
 with multiple CPU ports on MT7530
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Date:   Tue, 13 Jun 2023 19:52:20 +0200
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Precedence: bulk

Hi

> Gesendet: Dienstag, 13=2E Juni 2023 um 19:18 Uhr
> Von: "Vladimir Oltean" <olteanv@gmail=2Ecom>

> On Tue, Jun 13, 2023 at 08:14:35PM +0300, Ar=C4=B1n=C3=A7 =C3=9CNAL wrot=
e:
> > Actually, having only "net: dsa: introduce preferred_default_local_cpu=
_port
> > and use on MT7530" backported is an enough solution for the current st=
able
> > kernels=2E
> >=20
> > When multiple CPU ports are defined on the devicetree, the CPU_PORT bi=
ts
> > will be set to port 6=2E The active CPU port will also be port 6=2E
> >=20
> > This would only become an issue with the changing the DSA conduit supp=
ort=2E
> > But that's never going to happen as this patch will always be on the k=
ernels
> > that support changing the DSA conduit=2E
>=20
> Aha, ok=2E I thought that device trees with CPU port 5 exclusively defin=
ed
> also exist in the wild=2E If not, and this patch fixes a theoretical onl=
y
> issue, then it is net-next material=2E

BananaPi R2Pro (Rockchip rk3568 arm64) has currently port5 only=2E And the=
re only port5
is connected to the SoC (so port6 is not added there)=2E

Most boards using port6 at the moment=2E

regards Frank