netdev - Re: [PATCH] Marvell Libertas 8388 802.11b/g USB driver (v2)

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Date:	Wed, 17 Jan 2007 23:09:46 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Dan Williams <dcbw@...hat.com>
Cc:	Johannes Berg <johannes@...solutions.net>,
	Jiri Benc <jbenc@...e.cz>, Marcelo Tosatti <marcelo@...ck.org>,
	netdev <netdev@...r.kernel.org>, Jeff Garzik <jgarzik@...ox.com>,
	"John W. Linville" <linville@...hat.com>,
	"Luis R. Rodriguez" <mcgrof@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH] Marvell Libertas 8388 802.11b/g USB driver (v2)

On Wed, Jan 17, 2007 at 01:00:47PM -0500, Dan Williams wrote:
> Furthermore, I might add that the entire reason this part was chosen for
> OLPC was because it _is_ fullmac.
> 
> To drive down power consumption, the OLPC puts the host CPU to sleep but
> keeps the 8388 powered on.  That consumes around 400mW max.  But it
> allows the 8388 to continue routing other laptops' packets over the mesh
> *while the host CPU is asleep*.

We're not going to put a lot of junk into the kernel just because the OLPC
folks decide to do odd powermanagment schemes.

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