linux-kernel - Re: [PATCH V3 4/5] net: ethernet: ravb: Enable optional refclk

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Message-ID: <YDZZC+d9eti8RSbI@lunn.ch>
Date:   Wed, 24 Feb 2021 14:47:55 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Adam Ford <aford173@...il.com>
Cc:     netdev@...r.kernel.org, aford@...conembedded.com,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 4/5] net: ethernet: ravb: Enable optional refclk

> @@ -2260,6 +2267,9 @@ static int ravb_remove(struct platform_device *pdev)
>  	if (priv->chip_id != RCAR_GEN2)
>  		ravb_ptp_stop(ndev);
>  
> +	if (priv->refclk)
> +		clk_disable_unprepare(priv->refclk);
> +

Hi Adam

You don't need the if (). The clk API is happy with a NULL pointer and
will do the right thing. Otherwise:

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew