[Meego-kernel] [PATCH ] Atheros ar1520 GPS: add pause between each read
Arjan van de Ven
arjan at linux.intel.com
Mon Jul 25 01:49:30 UTC 2011
On 7/24/2011 6:48 PM, Arjan van de Ven wrote:
> On 7/22/2011 5:09 PM, Kao, Allen wrote:
>> From: Allen Kao <akao at qca.qualcomm.com>
>> Date: Sat Jul 23 01:23:15 CST 2011
>> Subject: Atheros ar1520 GPS: add pause between each read
>> Add 5ms-15ms pause between each read process to make performance better
>> This driver work on Acer M&M tablet for MeeGo, which is available on
>> I2C-0 port.
> how does busy waiting for 5 - 15 msec help performance?
> It's busy waiting.. costing tons of power!
eh wait usleep not udelay... so it's not busy waiting.. but how does
sleeping for this period help performance?
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