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Message-ID: <20231206085520.GA1293736@pengutronix.de>
Date:   Wed, 6 Dec 2023 09:55:20 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Arun Ramadoss <arun.ramadoss@...rochip.com>,
        kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v1 3/3] net: dsa: microchip: Fix PHY loopback
 configuration for KSZ8794 and KSZ8873

On Thu, Nov 23, 2023 at 11:52:57AM +0100, Paolo Abeni wrote:
> Hi,
> 
> On Tue, 2023-11-21 at 16:24 +0100, Oleksij Rempel wrote:
> > Correct the PHY loopback bit handling in the ksz8_w_phy_bmcr and
> > ksz8_r_phy_bmcr functions for KSZ8794 and KSZ8873 variants in the ksz8795
> > driver. Previously, the code erroneously used Bit 7 of port register 0xD
> > for both chip variants, which is actually for LED configuration. This
> > update ensures the correct registers and bits are used for the PHY
> > loopback feature:
> > 
> > - For KSZ8794: Use 0xF / Bit 7.
> > - For KSZ8873: Use 0xD / Bit 0.
> > 
> > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> 
> This looks like a bugfix, so possibly worth a Fixes tag? Given the
> dependency on the previous refactor, I think we can take it via net-
> next.
> 
> @Andrew, Florian, Vladimir: do you have any specific preference here?

I do not think any one cares about supporting this switch variant in
stable :)

Regards,
Oleksij
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