[PATCH 0/6] Minor USB fixes and xHCI driver

[Sascha Hauer]

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


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