Subject: Re: [RFC v3 2/4] mac80211: implement dynamic power save
From: Johannes Berg <johannes@sipsolutions.net>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: Kalle Valo <kalle.valo@nokia.com>, linux-wireless@vger.kernel.org
In-Reply-To: <43e72e890812011110o4aeb8334k6702f64a1867e1f7@mail.gmail.com> (sfid-20081201_201015_818215_6A014B1B)
References: <1227901784-5325-1-git-send-email-kalle.valo@nokia.com>
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	 <43e72e890812011110o4aeb8334k6702f64a1867e1f7@mail.gmail.com>
	 (sfid-20081201_201015_818215_6A014B1B)
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Date: Mon, 01 Dec 2008 23:40:41 +0100
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On Mon, 2008-12-01 at 11:10 -0800, Luis R. Rodriguez wrote:

> Might be worth noting that when dynamic power save is enabled for
> mac80211 that this will only work right now for devices which handle
> power save in firmware as power save is not yet implemented in
> mac80211.

Power save mode inherently is a feature that needs to be implemented on
the chip due to timing requirements, what else are you looking for in
mac80211? mac80211 tells the chip "it's ok to enter PS mode now" via the
hw conf callback, that's pretty much all it can do.

johannes

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