>>> The USB bus specification says that 255 devices can be connected to the
>>> host, but that doesn't mean the xHCI host controller has all the
>>> internal resources to support that.
>
> To me that sounds like such xHCI HCs can not be considered USB compliant. :\
I would tend to agree Peter. It
> > The USB bus specification says that 255 devices can be connected to the
> > host, but that doesn't mean the xHCI host controller has all the
> > internal resources to support that.
To me that sounds like such xHCI HCs can not be considered USB compliant. :\
//Peter
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> That sounds like the xHCI host ran out of slot IDs. It may be that it
> simply can't handle having more than 24 devices connected to the system.
> The USB bus specification says that 255 devices can be connected to the
> host, but that doesn't mean the xHCI host controller has all the
> interna
On Thu, Apr 03, 2014 at 04:30:28PM +, Amund Hov wrote:
> Dear kernel developers,
>
> I'm running into an interesting limitation with a NEC PD720200 USB 3.0
> host controller connected by PCIe. What I want to do is connect 13
> mass storage devices to each downstream port (of which there are tw
