On 2010-08-07, at 21:43, Hans Petter Selasky wrote:

> During the last two weeks I've been working hard to get USB 3.0 support added 
> to the FreeBSD 8+ USB stack. There are a couple of issues left, but right now 
> the code is in a state were enumeration of USB devices is possible and there 
> are no dirty hacks :-)
> 
> The XHCI chip, which is the PCI interface for USB 3.0, is a replacement for 
> OHCI/UHCI/EHCI and can also drive USB Super Speed (4.8 Gbps). I expect there 
> to be a througput and performance increase when switching over to the XHCI 
> interface also for 2.0 compatible devices, because it has a better data 
> queuing mechanism.

Nice work! What exactly is the USB3 controller chip you're working with?

Rafal

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