* Felipe Balbi | 2011-12-16 03:40:02 [+0200]: >> > If more people would be willing to accept that possibility, I'm very >> > eager to change the patch so that it would assume we have an unmapped >> > request always. What do you say ? >> >> I'm not too concerned about breaking out-of-tree drivers. After all, >> the kernel doesn't have a stable internal ABI. Have you checked the >> in-tree drivers? I haven't. >> >> You could start off easy by leaving in the test and doing WARN_ONCE >> if the DMA address is already set. Then if nothing shows up in >> kerneloops, take it out entirely. > >aaaa haven't thought about that :-) Sounds like a great plan, will do >:-) > >will check in tree drivers anyway :-D Great. While at it, can you please make udc-core provide a function like map_urb_for_dma() does for the host side? This function would be called by usb_ep_queue() just like the other one is called by usb_hcd_submit_urb(). Sebastian -- 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