netdev - Re: [PATCH 02/12] phylib: do not filter phy_mii_ioctl()

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Message-ID: <AANLkTiliSFzs0dowKbMW-dqcmwEncHT98vGyEmXE3O3Q@mail.gmail.com>
Date:	Tue, 15 Jun 2010 10:26:54 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	netdev@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org,
	Krzysztof Halasa <khc@...waw.pl>
Subject: Re: [PATCH 02/12] phylib: do not filter phy_mii_ioctl()

On Tue, Jun 15, 2010 at 10:07 AM, Richard Cochran
<richardcochran@...il.com> wrote:
> Two maverick drivers filter the ioctl commands passed to phy_mii_ioctl().
> This is unnecessary since phylib will check the command in any case.
>
> Signed-off-by: Richard Cochran <richard.cochran@...cron.at>

At a glance, looks okay to me.

> ---
>  drivers/net/cpmac.c              |    5 +----
>  drivers/net/stmmac/stmmac_main.c |   22 ++++++++--------------
>  2 files changed, 9 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
> index d4c5ca4..0e47ca1 100644
> --- a/drivers/net/cpmac.c
> +++ b/drivers/net/cpmac.c
> @@ -846,11 +846,8 @@ static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
>                return -EINVAL;
>        if (!priv->phy)
>                return -EINVAL;
> -       if ((cmd == SIOCGMIIPHY) || (cmd == SIOCGMIIREG) ||
> -           (cmd == SIOCSMIIREG))
> -               return phy_mii_ioctl(priv->phy, ifr, cmd);
>
> -       return -EOPNOTSUPP;
> +       return phy_mii_ioctl(priv->phy, ifr, cmd);
>  }
>
>  static int cpmac_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
> diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
> index 6af7471..acf0616 100644
> --- a/drivers/net/stmmac/stmmac_main.c
> +++ b/drivers/net/stmmac/stmmac_main.c
> @@ -1437,24 +1437,18 @@ static void stmmac_poll_controller(struct net_device *dev)
>  static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
>  {
>        struct stmmac_priv *priv = netdev_priv(dev);
> -       int ret = -EOPNOTSUPP;
> +       int ret;
>
>        if (!netif_running(dev))
>                return -EINVAL;
>
> -       switch (cmd) {
> -       case SIOCGMIIPHY:
> -       case SIOCGMIIREG:
> -       case SIOCSMIIREG:
> -               if (!priv->phydev)
> -                       return -EINVAL;
> -
> -               spin_lock(&priv->lock);
> -               ret = phy_mii_ioctl(priv->phydev, rq, cmd);
> -               spin_unlock(&priv->lock);
> -       default:
> -               break;
> -       }
> +       if (!priv->phydev)
> +               return -EINVAL;
> +
> +       spin_lock(&priv->lock);
> +       ret = phy_mii_ioctl(priv->phydev, rq, cmd);
> +       spin_unlock(&priv->lock);
> +
>        return ret;
>  }
>
> --
> 1.6.3.3
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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