Re: [PATCH v3 00/12] mmc: use nonblock mmc requests to minimize latency

2011-05-09 Thread Philip Rakity
On May 9, 2011, at 5:34 AM, Per Forlin wrote: > On 9 May 2011 04:05, Philip Rakity wrote: >> >> Hi Per, >> >> We noticed on some of our systems if we ADMA or SDMA and a bounce buffer it >> is significantly faster then SDMA. >> > I have not done work

Re: [PATCH v3 00/12] mmc: use nonblock mmc requests to minimize latency

2011-05-08 Thread Philip Rakity
Hi Per, We noticed on some of our systems if we ADMA or SDMA and a bounce buffer it is significantly faster then SDMA. I believe ADMA will do large transfers. Another data point. Philip On May 7, 2011, at 12:14 PM, Per Forlin wrote: > How significant is the cache maintenance over head? > It