netdev - Re: [PATCH 2/2] sh_eth: Do not print an error message for probe deferral

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Date:   Thu, 18 May 2017 16:08:37 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        "David S . Miller" <davem@...emloft.net>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH 2/2] sh_eth: Do not print an error message for probe deferral

Hi Geert,

Thank you for the patch.

On Thursday 18 May 2017 15:01:35 Geert Uytterhoeven wrote:
> EPROBE_DEFER is not an error, hence printing an error message like
> 
>     sh-eth ee700000.ethernet: failed to initialise MDIO
> 
> may confuse the user.
> 
> To fix this, suppress the error message in case of probe deferral.
> While at it, shorten the message, and add the actual error code.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  drivers/net/ethernet/renesas/sh_eth.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/renesas/sh_eth.c
> b/drivers/net/ethernet/renesas/sh_eth.c index
> c85222b02754f5a7..2d686ccf971b1b65 100644
> --- a/drivers/net/ethernet/renesas/sh_eth.c
> +++ b/drivers/net/ethernet/renesas/sh_eth.c
> @@ -3220,7 +3220,8 @@ static int sh_eth_drv_probe(struct platform_device
> *pdev) /* MDIO bus init */
>  	ret = sh_mdio_init(mdp, pd);
>  	if (ret) {
> -		dev_err(&pdev->dev, "failed to initialise MDIO\n");
> +		if (ret != -EPROBE_DEFER)
> +			dev_err(&pdev->dev, "MDIO init failed: %d\n", ret);
>  		goto out_release;
>  	}

-- 
Regards,

Laurent Pinchart