[U-Boot] [PATCH] usb: increase delay after port reset

Stefano Babic sbabic at denx.de
Tue Apr 3 17:19:13 CEST 2012


On 02/04/2012 21:00, Ilya Yanok wrote:
> Hi Marek, Stefano,

Hi Marek,

> 
> On 02.04.2012 21:29, Marek Vasut wrote:
>>> In our setup (OMAP3 EHCI host, keyboard, mouse mass storage and BT
>>> dongle devices connected via several hubs) keyboard fails to initialize
>>> during the bus scan (stalled endpoint while get_descriptor/64) and after
>>> that keyboard is unusable (even in Linux) until power off/on.
>>>
>>> Increasing the delay after port reset from 200ms to 260ms solves this
>>> problem.
>>
>> Do we still have this problem?
> 
> Sorry, I'm not working with this board any more. I'm ccing Stefano,
> probably he can answer.

USB seems not working on this board, but the patch does not help. No
peripheral are found after bus scan, even if the delay is increased by
the patch. I will suggest to not apply this patch for the release and I
will try to investigate what is gone wrong on this board.

Best regards,
Stefano Babic

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