linux-kernel - Re: [PATCH v3] net/phy: micrel: Disable asymmetric pause for KSZ9031

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Message-ID: <5416BA6E.4080507@topic.nl>
Date:	Mon, 15 Sep 2014 12:07:42 +0200
From:	Mike Looijmans <mike.looijmans@...ic.nl>
To:	<f.fainelli@...il.com>, <netdev@...r.kernel.org>
CC:	<linux-kernel@...r.kernel.org>,
	Mike Looijmans <mike.looijmans@...ic.nl>
Subject: Re: [PATCH v3] net/phy: micrel: Disable asymmetric pause for KSZ9031

I based this patch on the 3.17rc5 state. Hope this applies cleanly now?


On 09/15/2014 12:06 PM, Mike Looijmans wrote:
> The KSZ9031 appears to suffer from the same hardware bug as described
> for the KSZ9021 in commit 32fcafbcd1c9f6c7013016a22a5369b4acb93577
> ("net/phy: micrel: Disable asymmetric pause for KSZ9021")
> you have to unplug the cable and plug it back to get it to work.
>
> Remove the SUPPORTED_Asym_Pause flag for the KSZ9031 to fix this.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
> ---
>   drivers/net/phy/micrel.c |    3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
> index fd0ea7c..011dbda 100644
> --- a/drivers/net/phy/micrel.c
> +++ b/drivers/net/phy/micrel.c
> @@ -592,8 +592,7 @@ static struct phy_driver ksphy_driver[] = {
>   	.phy_id		= PHY_ID_KSZ9031,
>   	.phy_id_mask	= 0x00fffff0,
>   	.name		= "Micrel KSZ9031 Gigabit PHY",
> -	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause
> -				| SUPPORTED_Asym_Pause),
> +	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
>   	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
>   	.config_init	= ksz9031_config_init,
>   	.config_aneg	= genphy_config_aneg,
>



Met vriendelijke groet / kind regards,

Mike Looijmans

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