linux-kernel - Re: [PATCH net-next v3] net: cpsw: Add support for wake-on-lan for cpsw

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Date:	Tue, 20 Aug 2013 11:22:11 +0530
From:	Mugunthan V N <mugunthanvnm@...com>
To:	<ujhelyi.m@...il.com>
CC:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v3] net: cpsw: Add support for wake-on-lan for
 cpsw

On Tuesday 20 August 2013 11:08 AM, ujhelyi.m@...il.com wrote:
> From: Matus Ujhelyi <ujhelyi.m@...il.com>
>
> Some phy's can be configured to enable wake on lan (e.g. at803x or marvell 88E1318S).
> There is no way how to enable wol on CPSW with such connected phys. This patch
> adds this support. It is provided by calling the phy's related code.
>
> Tested on board with at8030x connected phy. Wol interrupt line is
> connected to GPIO0 on am335x.
>
> Signed-off-by: Matus Ujhelyi <ujhelyi.m@...il.com>
> ---
>  drivers/net/ethernet/ti/cpsw.c |   24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
> index 0fcf212..5d673bf 100644
> --- a/drivers/net/ethernet/ti/cpsw.c
> +++ b/drivers/net/ethernet/ti/cpsw.c
> @@ -1640,6 +1640,28 @@ static int cpsw_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd)
>  		return -EOPNOTSUPP;
>  }
>  
> +static void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
> +{
> +	struct cpsw_priv *priv = netdev_priv(ndev);
> +	int slave_no = cpsw_slave_index(priv);
> +	wol->supported = 0;
> +	wol->wolopts = 0;

Please add a blank line after variable declaration before you start
updating wol structure as commented by Francois and Sergei.

Regards
Mugunthan V N
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