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	Wed, 25 Aug 2010 10:22:38 -0400
Subject: Re: [PATCH 1/2] ath9k: Fix for throughput issue in Intel Pinetrail
 platform.
From: Johannes Berg <johannes@sipsolutions.net>
To: Vivek Natarajan <vnatarajan@atheros.com>
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org,
	Aeolus.Yang@atheros.com, Senthilkumar.Balasubramanian@atheros.com
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Date: Wed, 25 Aug 2010 16:22:35 +0200
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On Wed, 2010-08-25 at 19:34 +0530, Vivek Natarajan wrote:
> Trigger the generic timer interrupt frequently as a workaround
> to improve the throughput in C3 state with the Intel Pinetrail
> platform.

This seems an awfully lot like a DMA problem with C3 states or something
like that? It seems like you should do something like this:

        pm_qos_add_request(&ipw2100_pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
                           PM_QOS_DEFAULT_VALUE);

(taken from ipw2100)

johannes