linux-kernel - Re: [PATCH] pinctrl: airoha: fix wrong MDIO function bitmaks

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Message-ID: <68bf4509.050a0220.345893.9bb4@mx.google.com>
Date: Mon, 8 Sep 2025 23:05:07 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Andrew Lunn <andrew@...n.ch>, Lorenzo Bianconi <lorenzo@...nel.org>,
	Sean Wang <sean.wang@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Benjamin Larsson <benjamin.larsson@...exis.eu>,
	linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] pinctrl: airoha: fix wrong MDIO function bitmaks

On Mon, Sep 08, 2025 at 11:03:31PM +0200, Linus Walleij wrote:
> On Mon, Sep 8, 2025 at 9:14 PM Christian Marangi <ansuelsmth@...il.com> wrote:
> 
> > The usage of GPIO might be confusing but this is just to instruct the
> > SoC to not mess with those 2 PIN and as Benjamin reported it's also an
> > Errata of 7581. The FORCE_GPIO_EN doesn't set them as GPIO function
> > (that is configured by a different register) but it's really to actually
> > ""enable"" those lines.
> >
> > Normally the SoC should autodetect this by HW but it seems AN7581 have
> > problem with this and require this workaround to force enable the 2 pin.
> 
> In reply to Andrews comment I copied the two above paragraphs into the
> commit message in the applied patch.
> 

Thanks for handling this and adding the extra info, I was about to send v2.

-- 
	Ansuel