On Thu, 14 Aug 2008 23:38:17 +0200
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

quoted text
> Adapt the sky2 driver to the reworked PCI PM
> 
> * Use device_set_wakeup_enable() and friends as needed
> * Remove an open-coded reference to the standard PCI PM registers
> * Use pci_prepare_to_sleep() and pci_back_from_sleep() in the
>   ->suspend() and ->resume() callbacks
> * Use the observation that it is sufficient to call pci_enable_wake()
>   once, unless it fails
> 
> Tested on Asus M3A32-MVP (Yukon-2 EC Ultra rev 3).
> 
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> ---
>  drivers/net/sky2.c |   34 ++++++++++------------------------
>  1 file changed, 10 insertions(+), 24 deletions(-)
> 
> Index: linux-2.6/drivers/net/sky2.c
> ===================================================================
> --- linux-2.6.orig/drivers/net/sky2.c
> +++ linux-2.6/drivers/net/sky2.c
> @@ -3035,7 +3035,8 @@ static int sky2_set_wol(struct net_devic
>  	struct sky2_port *sky2 = netdev_priv(dev);
>  	struct sky2_hw *hw = sky2->hw;
>  
> -	if (wol->wolopts & ~sky2_wol_supported(sky2->hw))
> +	if ((wol->wolopts & ~sky2_wol_supported(sky2->hw))
> +	    || !device_can_wakeup(&hw->pdev->dev))
>  		return -EOPNOTSUPP;
>  

There was a regression in earlier releases caused because some BIOS's
are wrong, and device can wakeup.
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