[U-Boot] [PATCH 1/2] usb: ci_udc: allow multiple buffer allocs per ep

Marek Vasut marex at denx.de
Thu Jun 12 19:30:26 CEST 2014


On Thursday, June 12, 2014 at 05:55:40 PM, Stephen Warren wrote:
[...]
> >> I'm slightly confused by this log. Do you have 2 boards running U-Boot,
> >> one running the USB controller in device mode, and this is the log from
> >> some other board that's talking to that first board?
> > 
> > I have one board connect to a PC. The log shows two different errors
> > happening on the board. The first log shows a tftp command on the board
> > stopping with a timeout after receiving some packets. The second log
> > shows a tftp command on the same board throwing an error before
> > receiving any packet.
> 
> So U-Boot is running on the board, and the logs are from the board, i.e.
> you're running the "tftp" command in U-Boot on the board?
> 
> If so, I'm confused how ci_udc comes into play at all; doesn't "tftp"
> use the USB controller in host mode, whereas ci_udc is only used for
> device mode?

U-Boot CDC ethernet support, that's pretty normal mode of operation ;-)

Best regards,
Marek Vasut


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