[U-Boot] [PATCH v3 4/5] usb/gadget: add the fastboot gadget

Marek Vasut marex at denx.de
Sat Apr 12 00:13:20 CEST 2014


On Friday, April 11, 2014 at 02:55:31 PM, Rob Herring wrote:
> On Fri, Apr 11, 2014 at 2:14 AM, Bo Shen <voice.shen at atmel.com> wrote:
> > Hi Rob Herring,
> > 
> >   I am just do a function testing on Atmel sama5d3xek board. And a small
> > 
> > comment as following.
> > 
> >   Btw, do you test to transfer big size file. I try a file bigger than
> > 
> > 100MiB, it will hang. However use DFU or RNDIS don't meet this issue.
> 
> How much RAM do you have? It will happily download into the end of RAM
> overwriting u-boot if loadsize is not set. DFU at least has its own
> buffer size configuration.

I really have to wonder ... why does android not use DFU instead and instead 
forces us to take in yet another (fourth ? ... CDC ethernet, DFU, Thor, 
Fastboot) usb image download protocol someone invented without cooperating with 
the rest of the community on a common and functional solution? Sigh :'-(

Best regards,
Marek Vasut


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