netdev - Re: [RESEND #3/patch 2.6.26-rc6] net/enc28j60: low power mode

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Message-ID: <48588063.4020304@garzik.org>
Date:	Tue, 17 Jun 2008 23:26:27 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	David Brownell <david-b@...bell.net>
CC:	netdev@...r.kernel.org,
	Claudio Lanconelli <lanconelli.claudio@...ar.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND #3/patch 2.6.26-rc6] net/enc28j60: low power mode

David Brownell wrote:
> Keep enc28j60 chips in low-power mode when they're not in use.
> At typically 120 mA, these chips run hot even when idle; this
> low power mode cuts that power usage by a factor of around 100.
> 
> This version provides a generic routine to poll a register until
> its masked value equals some value ... e.g. bit set or cleared.
> It's basically what the previous wait_phy_ready() did, but this
> version is generalized to support the handshaking needed to
> enter and exit low power mode.
> 
> Signed-off-by: David Brownell <dbrownell@...rs.sourceforge.net>
> Signed-off-by: Claudio Lanconelli <lanconelli.claudio@...ar.com>
> ---
> Previously sent:  18-May, 19-February; there were several
> previous iterations too ...
> 
>  drivers/net/enc28j60.c |   82 ++++++++++++++++++++++++++++++++++---------------
>  1 file changed, 58 insertions(+), 24 deletions(-)

applied


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