netdev - Re: [PATCH] forcedeth: add phy_power_down parameter, leave phy powered up by default (v2)

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Message-Id: <20090602.001959.08867168.davem@davemloft.net>
Date:	Tue, 02 Jun 2009 00:19:59 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eswierk@...stanetworks.com
Cc:	netdev@...r.kernel.org, aabdulla@...dia.com
Subject: Re: [PATCH] forcedeth: add phy_power_down parameter, leave phy
 powered up by default (v2)

From: Ed Swierk <eswierk@...stanetworks.com>
Date: Mon, 01 Jun 2009 06:54:37 -0700

> Add a phy_power_down parameter to forcedeth: set to 1 to power down the
> phy and disable the link when an interface goes down; set to 0 to always
> leave the phy powered up.
> 
> The phy power state persists across reboots; Windows, some BIOSes, and
> older versions of Linux don't bother to power up the phy again, forcing
> users to remove all power to get the interface working (see
> http://bugzilla.kernel.org/show_bug.cgi?id=13072).  Leaving the phy
> powered on is the safest default behavior.  Users accustomed to seeing
> the link state reflect the interface state and/or wanting to minimize
> power consumption can set phy_power_down=1 if compatibility with other
> OSes is not an issue.
> 
> Signed-off-by: Ed Swierk <eswierk@...stanetworks.com>

Applied, thanks Ed.
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