netdev - Re: [PATCH 2/2] b44: always set duplex mode why phy changes

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Date:	Sun, 02 Mar 2014 10:53:23 -0800
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Hauke Mehrtens <hauke@...ke-m.de>
Cc:	davem@...emloft.net, zambrano@...adcom.com, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] b44: always set duplex mode why phy changes

Le dimanche 2 mars 2014, 17:29:34 Hauke Mehrtens a écrit :
> Without this patch b44_check_phy() was called when the phy called the
> adjust callback. This method only change the mac duplex mode when the
> carrier was off. When the phy changed the duplex mode after the carrier
> was on the mac was not changed. This happened when an external phy was
> used.
> 
> Signed-off-by: Hauke Mehrtens <hauke@...ke-m.de>

Acked-by: Florian Fainelli <f.fainelli@...il.com>

> ---
>  drivers/net/ethernet/broadcom/b44.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/broadcom/b44.c
> b/drivers/net/ethernet/broadcom/b44.c index e8046e1..8a7bf7d 100644
> --- a/drivers/net/ethernet/broadcom/b44.c
> +++ b/drivers/net/ethernet/broadcom/b44.c
> @@ -2229,7 +2229,12 @@ static void b44_adjust_link(struct net_device *dev)
>  	}
> 
>  	if (status_changed) {
> -		b44_check_phy(bp);
> +		u32 val = br32(bp, B44_TX_CTRL);
> +		if (bp->flags & B44_FLAG_FULL_DUPLEX)
> +			val |= TX_CTRL_DUPLEX;
> +		else
> +			val &= ~TX_CTRL_DUPLEX;
> +		bw32(bp, B44_TX_CTRL, val);
>  		phy_print_status(phydev);
>  	}
>  }

-- 
Florian
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