From: Vivek Natarajan <vnatarajan@atheros.com>
Date: Mon, 8 Feb 2010 12:17:01 +0000 (+0530)
Subject: mac80211: Reset dynamic ps timer in Rx path.
X-Git-Tag: v2.6.34-rc1~233^2~325^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e15276a4b220c54db665cf46a92bd9ceb9aeb052;p=pandora-kernel.git

mac80211: Reset dynamic ps timer in Rx path.

The current mac80211 implementation enables power save if there
is no Tx traffic for a specific timeout. Hence, PS is triggered
even if there is a continuous Rx only traffic(like UDP) going on.
This makes the drivers to wait on the tim bit in the next beacon
to awake which leads to redundant sleep-wake cycles.
Fix this by restarting the dynamic ps timer on receiving every
data packet.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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