USB Ethernet gadget on Nokia n900

[Tony Lindgren]

* Pavel Machek <pavel at ucw.cz> [141028 15:22]:
> On Tue 2014-10-28 23:04:50, Pavel Machek wrote:
> > Hi!
> > 
> > > Here's a patch that should fix the issues for built-in USB
> > > gadgets.
> > > 
> > > Pavel, care to see if this gets NFSroot over USB working again
> > > for you?
> > 
> > It seems to have did the trick for me. (Plus I needed to add
> > 
> > +CONFIG_ARM_ATAG_DTB_COMPAT=y
> > +CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y
> > +# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set
> > 
> > to be able to control the command line, that's why testing took me a
> > while.)
> > 
> > Networking now works against 3.17-based kernel. Thanks!
> 
> It works on 3.18-rc1 kernel, too. (I had to hand-modify patch to apply
> to 3.17, no changes needed for 3.18-rc1.)
> 
> Tested-by: Pavel Machek <pavel at ucw.cz>

Whatever we decice to do to fix this regression, it should probably
be backported to at least v3.16 stable for distro use, maybe earlier
too. I'd assume this is broken on multiple platforms currently.

Regards,

Tony