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Date:	Sat, 25 Sep 2010 16:58:10 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Ondrej Zary <linux@...nbow-software.org>
Cc:	netdev@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] de2104x: fix TP link detection

On Sat, Sep 25, 2010 at 4:39 PM, Ondrej Zary <linux@...nbow-software.org> wrote:
> @@ -1160,14 +1164,29 @@ no_link_yet:
>  static void de_media_interrupt (struct de_private *de, u32 status)
>  {
>        if (status & LinkPass) {
> +               /* Ignore if current media is AUI or BNC and we can't use TP */
> +               if ((de->media_type == DE_MEDIA_AUI ||
> +                    de->media_type == DE_MEDIA_BNC) &&
> +                   (de->media_lock ||
> +                    !de_ok_to_advertise(de, DE_MEDIA_TP_AUTO)))
> +                       return;
> +               /* If current media is not TP, change it to TP */
> +               if ((de->media_type == DE_MEDIA_AUI ||
> +                    de->media_type == DE_MEDIA_BNC)) {
> +                       de->media_type = DE_MEDIA_TP_AUTO;
> +                       de_stop_rxtx(de);
> +                       de_set_media(de);
> +                       de_start_rxtx(de);
> +               }
>                de_link_up(de);
>                mod_timer(&de->media_timer, jiffies + DE_TIMER_LINK);
>                return;
>        }
>
>        BUG_ON(!(status & LinkFail));
> -
> -       if (netif_carrier_ok(de->dev)) {
> +       /* Mark the link as down only if current media is TP */
> +       if (netif_carrier_ok(de->dev) && de->media_type != DE_MEDIA_AUI &&
> +           de->media_type != DE_MEDIA_BNC) {
>                de_link_down(de);
>                mod_timer(&de->media_timer, jiffies + DE_TIMER_NO_LINK);
>        }

Acked-by: Jeff Garzik <jgarzik@...hat.com>

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