linux-kernel - Re: [PATCH net-next 2/3] net: ag71xx: use devm for of_mdiobus

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Message-ID: <ae818694-e697-41cc-a731-73cd50dd7d99@lunn.ch>
Date: Mon, 12 Aug 2024 23:27:59 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Rosen Penev <rosenp@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk,
	linux-kernel@...r.kernel.org, o.rempel@...gutronix.de
Subject: Re: [PATCH net-next 2/3] net: ag71xx: use devm for
 of_mdiobus_register

On Mon, Aug 12, 2024 at 12:06:52PM -0700, Rosen Penev wrote:
> Allows removing ag71xx_mdio_remove.
> 
> Removed local mii_bus variable and assign struct members directly.
> Easier to reason about.

This mixes up two different things, making the patch harder to
review. Ideally you want lots of little patches, each doing one thing,
and being obviously correct. 

Is ag->mii_bus actually used anywhere, outside of ag71xx_mdio_probe()?
Often swapping to devm_ means the driver does not need to keep hold of
the resources. So i actually think you can remove ag->mii_bus. This
might of been more obvious if you had first swapped to
devm_of_mdiobus_register() without the other changes mixed in.

    Andrew

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