On Thu, Feb 10, 2011 at 06:19:10AM -0800, Mohammed Shajakhan wrote: > On Wednesday 09 February 2011 10:18 PM, Richard Schütz 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> > >> > > Acked-By: Richard Schütz<r.schtz@xxxxxxxxxxx> > > > Thanks, but we got to consider user space approach which Luis had mentioned. Richard, can you test the userspace app as a replacement? Or did your board not exerpience the issue? Luis -- 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
