On Thu, Jul 24, 2014 at 03:28:40PM +0200, Sebastian Hesselbarth wrote: > This patch set adds initial support for xHCI host controllers either > as platform_device or PCI attached device. Compared to EHCI, the > xHCI added even more SW stuff around the host controller interface > we have to deal with. From a topology point-of-view each xHCI HC > represents two virtual Root Hubs, one for USB 3.0 and one for USB > 2.0 with TT. > > The xHCI driver currently only supports virtual USB 2.0 ports of the > xHCI controller. If a USB 3.0 device is used, it has to be connected > with a USB 2.0 cable, i.e. no SuperSpeed cable. Also, I haven't been > able to test any USB 1.1 devices, yet. Anyway, I plan to have a look > at both USB 1.1 and USB 3.0 but still I consider the driver in a > quite good shape to be released. Do we have the chance to issue a warning when a device is connected with a superspeed cable? If not maybe a general warning in the xhci probe function is a good idea. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox