On Wed, Feb 09, 2011 at 08:03:27PM +0530, Mohammed Shafi Shajakhan wrote: > From: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx> > > The DMA latency issue is observed only in Intel pinetrail platforms but > in the driver we had a default PM-QOS value of 55. This caused > unnecessary power consumption and battery drain in other platforms. > Address this issue by disabling PM-QOS by default by setting it's value > as '0' and making code changes appropriately.This addresses the bug: > https://bugzilla.kernel.org/show_bug.cgi?id=27532 > If the user sees some DMA latency issue he can still use the pmqos as a > module parameter to trade power for throughput as below: > sudo modprobe ath9k pmqos=55 > > Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx> Seems a bit unclear to me -- if you have ath9k_pm_qos_value then why use ATH9K_PM_QOS_DEFAULT_VALUE at all? John -- John W. Linville Someday the world will need a hero, and you linville@xxxxxxxxxxxxx might be all we have. Be ready. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
