Subject: Re: [patch 1/1] ppc: Possible bug fix for FCC driver

From: Vitaly Bordug <[email-masked]>
Date: Tue, 6 Mar 2007 12:42:18 +0300

On Tue, 6 Mar 2007 10:23:43 +0800
Li Yang-r58472 wrote:

> Hi Cedric,
> 
> For ppc embedded related patches, please also cc:
> [email-masked].
> 
> > We use a kernel 2.6.14 on PPC platform (MPC 8555). The FCC driver
> works
> 
> To submit a kernel patch upstream, the patch should be against the
> latest kernel version which is 2.6.21-rc now.
> > well with a 100Mbps link. But it doesn't with a 10Mbps link. To
> > solve it, I modified the GFMR register init: removed TCI bit and
> > set CRC32
> bit
> > instead of.
> 
> I don't know how these bits caused the 10M link issue.  Do you have
> any reasoning?
> 
> > 	Signed-off-by: Cedric Pontois <[email-masked]>
> > 
> >
> ------------------------------------------------------------------------
> > -----
> > 
> > diff -ruN pa-original/arch/ppc/8260_io/fcc_enet.c
The fcc code in 8260_io has been obsoleted by fs_enet driver (drivers/net/fs_enet).
It is known to work with 85xx at least in recent kernels. If it does not for some reason,
please letus know.

Thanks,

-Vitaly