[PATCH v3 0/9] Tegra xHCI support

[Andrew Bresticker]

On Mon, Sep 8, 2014 at 8:34 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
> On 2 September 2014 23:34, Andrew Bresticker <abrestic at chromium.org> wrote:
>>
>> Tested on Venice2, Jetson TK1, and Big with a variety of USB2.0 and
>> USB3.0 memory sticks and ethernet dongles using controller firmware
>> recently posted by Andrew Chew [2].
>
> I have had mixed results when testing this on a Jetson TK1 board. Of 8
> USB devices I tested with, about half where probed correctly, but the
> other half repeatedly fail in hub_port_init because in the GET_STATUS
> right after the reset, the C_PORT_CONNECTION bit is set.
>
> I don't see any correlation between the failure and the kind of usb
> device, but I don't have much experience with USB implementations
> either.

Hmm... I haven't seen that before.  Which particular devices were you using?