linux-kernel - Re: [PATCH v3 net-next 05/10] net: dsa: microchip: add DSA support for microchip lan937x

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Date:   Wed, 11 Aug 2021 21:14:14 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>,
        Vladimir Oltean <olteanv@...il.com>, netdev@...r.kernel.org,
        robh+dt@...nel.org, UNGLinuxDriver@...rochip.com,
        Woojung.Huh@...rochip.com, hkallweit1@...il.com,
        davem@...emloft.net, kuba@...nel.org, linux-kernel@...r.kernel.org,
        vivien.didelot@...il.com, f.fainelli@...il.com,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v3 net-next 05/10] net: dsa: microchip: add DSA support
 for microchip lan937x

On Wed, Aug 11, 2021 at 08:23:04PM +0200, Andrew Lunn wrote:
> > I hope that using "*-internal-delay-ps" for Mac would be the right option.
> > Shall i include these changes as we discussed in next revision of the patch? 
> 
> Yes, that seems sensible. But please limit them to the CPU port. Maybe
> return -EINVAL for other ports.

Hmm. Don't we want ports that are "MAC like" to behave "MAC like" ?
In other words, shouldn't a DSA port that can be connected to an
external PHY should accept the same properties as a conventional
Ethernet MAC e.g. in a SoC device?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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