linux-kernel - Re: [PATCH] regmap: remove MDIO support

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Message-ID: <aBr70GkoQEpe0sOt@finisterre.sirena.org.uk>
Date: Wed, 7 May 2025 15:21:04 +0900
From: Mark Brown <broonie@...nel.org>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>, Andrew Lunn <andrew@...n.ch>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Sander Vanheule <sander@...nheule.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] regmap: remove MDIO support

On Wed, May 07, 2025 at 08:09:27AM +0200, Heiner Kallweit wrote:
> On 07.05.2025 02:50, Mark Brown wrote:
> > On Tue, May 06, 2025 at 10:06:00PM +0200, Heiner Kallweit wrote:

> >> MDIO regmap support was added with 1f89d2fe1607 as only patch from a
> >> series. The rest of the series wasn't applied. Therefore MDIO regmap
> >> has never had a user.

> > Is it causing trouble, or is this just a cleanup?

> It's merely a cleanup. The only thing that otherwise would need

If it's not getting in the way I'd rather leave it there in case someone
wants it, that way I don't need to get CCed into some other series
again.

> improvement is that REGMAP_MDIO selects MDIO_BUS w/o considering
> the dependency of MDIO_BUS on MDIO_DEVICE. REGMAP_MDIO should
> depend on MDIO_BUS.

Well, REGMAP_MDIO should be selected itself so none of these selects or
dependencies would do anything anyway.

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