netdev - Re: [PATCH] gianfar: Fix Wake-on-LAN support

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Message-Id: <20090129.173133.268065861.davem@davemloft.net>
Date:	Thu, 29 Jan 2009 17:31:33 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	avorontsov@...mvista.com
Cc:	jgarzik@...ox.com, afleming@...escale.com, peppe.cavallaro@...com,
	netdev@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH] gianfar: Fix Wake-on-LAN support

From: Anton Vorontsov <avorontsov@...mvista.com>
Date: Wed, 28 Jan 2009 23:35:45 +0300

> commit 0f0ca340e57bd7446855fefd07a64249acf81223 ("phy: power
> management support") caused a regression in the gianfar driver.
> 
> Now phylib turns off PHY power during suspend, and thus WOL
> doesn't work anymore.
> 
> This patch workarounds the issue by enabling wakeup in the MDIO
> device, i.e. just restores the old behaviour for the gianfar
> driver. Note that this way all PHYs on a given MDIO bus won't
> be turned off during suspend, which isn't good from the power
> saving point of view.
> 
> A proper, per netdevice wakeup management support will need
> a bit reworked phylib suspend/resume logic.
> 
> Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>

Applied, thanks Anton.
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