[U-Boot] Question about DWC3 USB controller driver

Marek Vasut marex at denx.de
Mon Jul 27 19:03:50 CEST 2015


On Monday, July 27, 2015 at 05:37:52 PM, Masahiro Yamada wrote:
> Hi Marek, other USB guys,

Hi!

> I noticed commit dc9cdf859e11de (usb: dwc3: Add DWC3 controller driver
> support) was pulled into the mainline a few days ago.
> 
> 
> Now we have two drivers with similar names.
> 
> 
> - drivers/usb/dwc3/
> - drivers/usb/host/xhci-dwc3.c
> 
> 
> Are they the same hardware, or completely different ones?

dwc3 is the USB gadget, drivers/usb/host/xhci-dwc3 is the USB host.
I believe the host part should be merged into drivers/usb/xhci-dwc3
eventually.

> I am not tracking USB subsystem these days,
> nor am I USB expert, but I'd like to be sure.
> 
> 
> Marek, I think you can answer my question
> because both of the two were applied by you.

I hope it helps!

Best regards,
Marek Vasut


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