[PATCH] usb: ehci: make HC see up-to-date qh/qtd descriptor ASAP

Best Regard,
Peter Chen
 



On Aug 31, 2011, at 4:49 PM, Will Deacon wrote:

On Wed, Aug 31, 2011 at 01:23:47AM +0100, Chen Peter-B29397 wrote:

quoted

One question: why this write buffer issue did not happen at UP ARM V7 platform, whose dma buffer
also uncache, but bufferable?

Which CPU was on this platform?

Cortex A8 UP system (freescale i.MX5x platform)

Will