octeon-usb and dwc2 in staging are for the same hw

Sebastian Andrzej Siewior bigeasy at linutronix.de
Mon Aug 19 07:50:44 UTC 2013

On 08/17/2013 10:44 PM, Paul Zimmerman wrote:
> Hi Greg, all,
> After taking a look at the Octeon driver, it looks like that controller
> uses a customized version of the DWC2 core - it has a different DMA
> engine than the one provided by the standard hardware. So in fact these
> two drivers are actually not "for the same hw".

Is it just the DMA engine? musb provides support for more than one DMA
engine. Plus you may still be able to hide the dma engine behind

> I think it would be very complicated to combine both of these into a
> common driver. So in my opinion the best solution is to keep both drivers.


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