linux-kernel - Re: [PATCH net-next] net: phy: mediatek-ge-soc: support PHY LEDs

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Message-ID: <ed096dfe-6a42-4838-972b-7a28afaf2f6e@lunn.ch>
Date:   Fri, 11 Aug 2023 18:39:00 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc:     Daniel Golle <daniel@...rotopia.org>,
        Qingfang Deng <dqfext@...il.com>,
        SkyLake Huang <SkyLake.Huang@...iatek.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next] net: phy: mediatek-ge-soc: support PHY LEDs

> > +	/* Only now setup pinctrl to avoid bogus blinking */
> > +	pinctrl = devm_pinctrl_get_select(&phydev->mdio.dev, "gbe-led");
> 
> This function gets reference on phydev->mdio.dev, but there is no code
> to release it. It looks like a leak which will prevent module unload,
> but I don't have hardware now to prove it.

Since it is a devm_ function, it should get released when the device
is destroyed. Or am i missing something?

   Andrew