linux-kernel - Re: [PATCH net-next v5 2/7] net: stmmac: Add dedicated XPCS cleanup method

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Date: Mon, 6 May 2024 11:50:08 +0300
From: Serge Semin <fancer.lancer@...il.com>
To: Romain Gantois <romain.gantois@...tlin.com>
Cc: "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm <magnus.damm@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, Russell King <linux@...linux.org.uk>, 
	Clément Léger <clement.leger@...tlin.com>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
	netdev@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-renesas-soc@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next v5 2/7] net: stmmac: Add dedicated XPCS cleanup
 method

On Mon, May 06, 2024 at 09:07:41AM +0200, Romain Gantois wrote:
> Hi Serge,
> 
> On Fri, 3 May 2024, Serge Semin wrote:
> 
> > 
> > > +void stmmac_pcs_clean(struct stmmac_priv *priv)
> > 
> > Ideally it would have been great to have the entire driver fixed to
> > accept the stmmac_priv pointer as the functions argument. But this
> > would be too tiresome. Anyway seeing the PCS-setup protagonist method
> > has the net_device pointer passed I would implement the same prototype
> > for the antagonist even though it would require an additional local
> > variable. That will make the MDIO and PCS local interface-functions
> > looking alike and as if unified. That is the reason of why I made
> > stmmac_xpcs_clean() accepting the net_device pointer. 
> > 
> > Alternatively both stmmac_pcs_setup() and stmmac_pcs_clean() could be
> > converted to just accepting a pointer to the stmmac_priv instance.
>
 
> I think that adapting stmmac_pcs_clean() to take a net_device struct would be 
> more appropriate since it's the simpler of the two methods. I'll implement this 
> in the next version.

Awesome! Thanks.

-Serge(y)

> 
> Thanks,
> 
> -- 
> Romain Gantois, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com