[U-Boot] UMS - maintain connection

[John Tobias]

Hi Łukasz Majewski,


On Mon, Aug 15, 2016 at 6:17 AM, Lukasz Majewski <l.majewski at majess.pl> wrote:
> Hi John Tobias,
>
>> Hello All,
>>
>> I am using ums (USB Mass Storage) in u-boot to expose the storage of
>> my device into my host machine. Everything works okay except when the
>> host machine wakeup from the sleep - my device got disconnect from
>> host after it received an resume signal.
>>
>> I tried the g_mass_storage driver in the kernel and it works fine. It
>> never disconnect when the host machine goes to sleep and wake it up.
>>
>> Does anyone have encountered the said issue?.
>
> Frankly speaking, I did not anticipate such test case.
>
> You probably connect to your laptop, which may go sleep?

Yes, that is correct.

>
>> How did you fix it?.
>
> (For now) no solution... I need to investigate this issue.
>

Btw, problem happened in iMX6 processor.


>>
>> Regards,
>>
>> John
>
> Best regards,
> Łukasz Majewski