linux-kernel - Re: [PATCH net-next v3 2/4] net: ethernet: altera-tse: Convert to mdio-regmap and use PCS Lynx

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Message-ID: <ZHCNKjMFd4bu4Cmz@shell.armlinux.org.uk>
Date:   Fri, 26 May 2023 11:42:50 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Mark Brown <broonie@...nel.org>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexis.lothore@...tlin.com, thomas.petazzoni@...tlin.com,
        Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: Re: [PATCH net-next v3 2/4] net: ethernet: altera-tse: Convert to
 mdio-regmap and use PCS Lynx

On Fri, May 26, 2023 at 10:05:17AM +0100, Russell King (Oracle) wrote:
> On Fri, May 26, 2023 at 10:39:08AM +0200, Simon Horman wrote:
> > On Fri, May 26, 2023 at 09:42:50AM +0200, Maxime Chevallier wrote:
> > > The newly introduced regmap-based MDIO driver allows for an easy mapping
> > > of an mdiodevice onto the memory-mapped TSE PCS, which is actually a
> > > Lynx PCS.
> > > 
> > > Convert Altera TSE to use this PCS instead of the pcs-altera-tse, which
> > > is nothing more than a memory-mapped Lynx PCS.
> > > 
> > > Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> > 
> > Hi Maxime,
> > 
> > I have some concerns about the error paths in this patch.
> 
> We've had similar problems with mdio_device_create() vs the XPCS
> driver.
> 
> I think it's time that we made this easier for users.

Patch series here:
https://lore.kernel.org/all/ZHCGZ8IgAAwr8bla@shell.armlinux.org.uk/

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