Host USB on MPC8247

[Li Yang-r58472]

> -----Original Message-----
> From: linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org
> [mailto:linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org] On
Behalf Of
> Uros Borovsak
> Sent: Monday, July 31, 2006 4:14 PM
> To: linuxppc-embedded at ozlabs.org
> Subject: Re: Host USB on MPC8247
> 
> Thanks for reply,
> 
> I made a mistake while typing the message.
> 
> In reality I was asking how difficult would it be to port USB part  of
> kernel from 2.6.10 to 2.6.13, but I mixed kernel version's when
typing.

USB subsystem is relatively stand-alone.  So, try replace the whole
drivers/usb/ directory and update usb related header files under
include/.

ps: the question is off-topic on powerpc list.

> 
> Mike Rapoport wrote:
> > Uros Borovsak wrote:
> >
> >
> >> Hello,
> >>
> >> Can you at least give me some idea how difficult would it be to
patch
> >> USB part of kernel from 2.6.13 to 2.6.10?
> >>
> >>
> >>
> > As far as I know USB core undergone signifcant changes between
2.6.10
> > and 2.6.13. Still it's hard to tell how difficult would it be to
> > backport USB from 2.6.13 to 2.6.10.
> > Besides, it maybe worth upgrading your kernel instead of backporing
> > USB to 2.6.10.
> >
> >
> Upgrading the whole kernel is not a way to go for me here, becouse
> company is using montavista kernel, and if I upgrade the whole kernel,
I
> would have to port all their patches also.
> 
> I believe that MontaVista will use higher kernel version some time, so
I
> wouldn't go backporting driver to 2.6.10, but I would prefer to port
USB
> part of kernel from 2.6.10 to 2.6.13.
> 
> Do you think that is possible and how hard would it be?
> 
> Best regards
> 
> Uros
> >> Are changes only in usb part of kernel, or are there also some
> >> changes in other parts of kernel, that I would have to port?
> >>
> >> Thanks,
> >>
> >> Best regards
> >>
> >> Uros