Hi, On Sat, Aug 17, 2013 at 08:44:18PM +0000, Paul Zimmerman wrote: > > It doesn't get very far: > > > > External DMA Mode not supported > > dwc2_hcd_init() FAILED, returning -22 > > Hi Greg, all, > > After taking a look at the Octeon driver, it looks like that controller > uses a customized version of the DWC2 core - it has a different DMA > engine than the one provided by the standard hardware. So in fact these > two drivers are actually not "for the same hw". FWIW, I also tried forcing the DWC2 to non-DMA/FIFO mode, but could not get that working either. Do you support any HW running in slave mode? It seems the RX direction fails. I noticed the dwc2_read_packet() is hard-coded to channel 0 which looks odd, but changing that didn't change anything. A. -- 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