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Date: Fri, 25 Mar 2011 13:17:34 -0400 (EDT)
From: Nicolas Pitre <nico@fluxnic.net>
To: Wilson Loi <wlsloi@gmail.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>, linux-wireless@vger.kernel.org,
	linux-mmc@vger.kernel.org,
	Luciano Coelho <luciano.coelho@nokia.com>,
	akpm@linux-foundation.org, San Mehat <san@google.com>,
	Roger Quadros <roger.quadros@nokia.com>,
	Gao Yunpeng <yunpeng.gao@intel.com>
Subject: Re: [PATCH v1 2/2] sdio: add power_restore support with
 MMC_PM_KEEP_POWER mode
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On Sat, 26 Mar 2011, Wilson Loi wrote:

> Sorry, this is the first time I sent a patch.
> 
> There are two case for the WLAN SDIO card to do power saving.
> 1. Totally cut off the power of WLAN network interface.
> 2. offload the network state to WLAN SDIO firmware.

Case #2 is already supported with current code.  Patches for the 
libertas driver are in the OLPC repository (no idea if they were 
submitted upstream yet).


Nicolas