Re: [PATCH v3 0/9] Tegra xHCI support

From: Andrew Bresticker
Date: Fri Sep 12 2014 - 12:37:28 EST


On Tue, Sep 9, 2014 at 1:21 AM, Tomeu Vizoso <tomeu@xxxxxxxxxxxxxxx> wrote:
> On 8 September 2014 18:22, Andrew Bresticker <abrestic@xxxxxxxxxxxx> wrote:
>> On Mon, Sep 8, 2014 at 8:34 AM, Tomeu Vizoso <tomeu@xxxxxxxxxxxxxxx> wrote:
>>> On 2 September 2014 23:34, Andrew Bresticker <abrestic@xxxxxxxxxxxx> 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?
>
> Here they are:
>
> work:
>
> Genius keyboard: 05d5:6782
> Logitech mouse: 046d:c06a
> Denver MP3 player: 10d6:1100
> Atheros Bluetooth dongle: 0cf3:3005
>
> don't work:
>
> MCS7830 ethernet dongle: 9710:7830
> Genesys Logic hub: 05e3:0608

I tried the hub and it works just fine for me... Have you tried this
on any other boards like Big or Blaze?
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