* Alan Stern | 2011-11-04 13:24:58 [-0400]: >On Fri, 4 Nov 2011, Sebastian Andrzej Siewior wrote: > >> This patch adds sg support to dummy_hcd. It seems that uas is not able >> to work with a hcd which does not support sg only based transfers. > >While I'm not opposed in principle to adding SG support to dummy-hcd, >it might make more sense in this case to fix the UAS driver. After >all, there's no rule that UAS devices have to run at SuperSpeed. This >means that a UAS device could be plugged in under any host controller, >and the driver ought to be able to handle it. ehci supports sg others may not. So fixing uas would mean we should add something like usb_sg_init() (which seems to handle sgs) into uas_alloc_data_urb(). So we get better support and miss only the highmem case. >Alan Stern 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