On Wed, 2010-02-24 at 16:50 -0500, Alan Stern wrote: > The main issue here is that the same host controller will use PIO > sometimes and DMA sometimes, depending on the details of the > transfer. > The USB core didn't expect this and consequently we violated the rules > for DMA mapping. The question is: If the core is fixed so that the > rules aren't violated, will everything work correctly? As long as the only issue is that one (ie, doing PIO while dma-map'ed), then yes, I'd say things should work. If not, then there is -another- problem to be fixed :-) Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
