linux-kernel - Re: [RFC net-next PATCH 10/16] net: macb: Move PCS settings to PCS callbacks

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Date:   Tue, 5 Oct 2021 23:19:45 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Sean Anderson <sean.anderson@...o.com>
Cc:     netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Subject: Re: [RFC net-next PATCH 10/16] net: macb: Move PCS settings to PCS
 callbacks

On Tue, Oct 05, 2021 at 05:44:11PM -0400, Sean Anderson wrote:
> At the very least, it should be clearer what things are allowed to fail
> for what reasons. Several callbacks are void when things can fail under
> the hood (e.g. link_up or an_restart). And the API seems to have been
> primarily designed around PCSs which are tightly-coupled to their MACs.

It has indeed been designed around that, because that's where the
technology that has been available to me has been. It is only in
the recent few years that we are starting to see designs where
the PCS is separate.

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