[U-Boot] [PATCH v3 2/5] usb: dwc2: Use shared wait_for_bit

[Stefan Bruens]

On Sonntag, 27. Dezember 2015 18:28:09 CET Mateusz Kulikowski wrote:
> Use existing library function to poll bit(s).
> 
> Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski at gmail.com>

It might be useful to have not only a relative timeout, but also an absolute 
timeout. For dwc2, the timeout handling could be moved from the transactions 
wrappers to the chunk_msg function. As the USB timeouts are specified for the 
whole transaction, it would be very neat to calculate one deadline for the 
whole transaction and hand this absolute timeout to the wait_for_bit(..) 
function. At the end, this would also result in less code.

Kind regards,

Stefan

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