[U-Boot] [PATCH] usb: hub: Increase the query delay

Marek Vasut marex at denx.de
Wed May 4 23:38:44 CEST 2016


On 05/04/2016 11:34 PM, Stephen Warren wrote:
> On 05/04/2016 03:32 PM, Marek Vasut wrote:
>> Increase the query delay, otherwise some sticks are not detected.
>> The problem shows up on the USB bus analyzer such that the stick
>> takes longer time to switch from FS mode to HS mode than the code
>> allows when the controller starts from completely off state.
> 
> Acked-by: Stephen Warren <swarren at nvidia.com>
> 
> (I suspect this is more to do with the board than the USB controller,
> since the board controls the VBUS power. However, if this works, it's
> probably fine for now.)

For now, maybe, but I am extremely unhappy to have this hack in the
common code.

-- 
Best regards,
Marek Vasut


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