diff mbox

[2/2] sh_eth: Do not print an error message for probe deferral

Message ID 1495112495-25086-2-git-send-email-geert+renesas@glider.be
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Geert Uytterhoeven May 18, 2017, 1:01 p.m. UTC
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@glider.be>
---
 drivers/net/ethernet/renesas/sh_eth.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Laurent Pinchart May 18, 2017, 1:08 p.m. UTC | #1
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@glider.be>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.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;
>  	}
David Miller May 18, 2017, 3:21 p.m. UTC | #2
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Thu, 18 May 2017 15:01:35 +0200

> 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@glider.be>

Applied.
Sergei Shtylyov May 18, 2017, 4:37 p.m. UTC | #3
On 05/18/2017 04:01 PM, 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@glider.be>

Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

MBR, Sergei
diff mbox

Patch

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;
 	}