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Date: Sun, 30 Jul 2017 19:07:38 +0200
From: Andrew Lunn <andrew@lunn.ch>
To: Niklas =?iso-8859-1?Q?S=F6derlund?=
        <niklas.soderlund+renesas@ragnatech.se>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2] ravb: add wake-on-lan support via magic packet
Message-ID: <20170730170738.GA29373@lunn.ch>
References: <20170730140646.11781-1-niklas.soderlund+renesas@ragnatech.se>
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Hi Niklas

> @@ -2041,6 +2073,11 @@ static int ravb_probe(struct platform_device *pdev)
>  
>  	priv->chip_id = chip_id;
>  
> +	/* Get clock, if not found that's OK but Wake-On-Lan is unavailable */
> +	priv->clk = devm_clk_get(&pdev->dev, NULL);
> +	if (IS_ERR(priv->clk))
> +		priv->clk = NULL;

Can you get EPROBE_DEFER returned?

    Andrew