[U-Boot] USB DFU support into mailline.

Tom Rini trini at ti.com
Mon Jun 18 19:02:54 CEST 2012


On Mon, Jun 18, 2012 at 04:12:50PM +0200, Lukasz Majewski wrote:
> 
> Hi Harman,
> 
> > > -----Original Message-----
> > > From: Lukasz Majewski [mailto:l.majewski at samsung.com]
> > > Sent: Monday, June 18, 2012 2:25 PM
> > > To: Marek Vasut
> > > Cc: u-boot at lists.denx.de; Sohanpal, Harman; Kyungmin Park
> > > Subject: Re: [U-Boot] USB DFU support into mailline.
> > > 
> > > Dear All,
> > > 
> > > > Dear Sohanpal, Harman,
> > > >
> > > > > Hi,
> > > > >
> > > > > Referring to
> > > > > http://elinux.org/Merge_DFU_support_into_mainline_U-Boot, it
> > > > > seems some work is going on for adding USB DFU support in the
> > > > > mainline for u-boot. But I could not find any code already in
> > > > > mainline. Is there anyone working on getting USB DFU support to
> > > > > mainline?
> > > > >
> > > > > I am working on USB DFU on AM335x BeagleBone, and I want help
> > > > > get USB DFU to mainline.
> > > >
> > > > Try looking through the u-boot mailing list. I think someone
> > > > tried, but it needed more work.
> > > >
> > > 
> > > Dear Marek and Harman,
> > > 
> > > I'm currently working on the DFU support at u-boot. A
> > > composite USB gadget with DFU support is under development.
> > 
> > Hi Lukasz,
> > 
> > Thanks for the reply.
> > When are you planning to send these patches to mailing list?
> Yes, of course I will send those patches to u-boot mailing list.
> 
> > If you can point me to some branch having your code, maybe I
> > can also contribute to the work you have already done.
> 
> You can look into the early DFU patches:
> http://article.gmane.org/gmane.comp.boot-loaders.u-boot/116197/match=dfu+initial+implementation
> 
> There DFU is implemented as a standalone USB gadget, but it will be a
> part of a composite one.

Would it be fair to say that a prerequisite for using the DFU support
you are working on would be to have the composite driver
(drivers/usb/gadget/composite.c) working with the musb framework?

-- 
Tom


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