[PATCH 00/20] ethernet: ucc_geth: assorted fixes and simplifications

Qiang Zhao qiang.zhao at nxp.com
Mon Dec 7 22:07:02 EST 2020


On 06/12/2020 05:12, Rasmus Villemoes <rasmus.villemoes at prevas.dk> wrote:


> -----Original Message-----
> From: Rasmus Villemoes <rasmus.villemoes at prevas.dk>
> Sent: 2020年12月6日 5:12
> To: Jakub Kicinski <kuba at kernel.org>
> Cc: Leo Li <leoyang.li at nxp.com>; David S. Miller <davem at davemloft.net>;
> Qiang Zhao <qiang.zhao at nxp.com>; netdev at vger.kernel.org;
> linuxppc-dev at lists.ozlabs.org; linux-kernel at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org; Vladimir Oltean
> <vladimir.oltean at nxp.com>
> Subject: Re: [PATCH 00/20] ethernet: ucc_geth: assorted fixes and
> simplifications
> 
> On 05/12/2020 21.53, Jakub Kicinski wrote:
> > On Sat,  5 Dec 2020 20:17:23 +0100 Rasmus Villemoes wrote:
> >> While trying to figure out how to allow bumping the MTU with the
> >> ucc_geth driver, I fell into a rabbit hole and stumbled on a whole
> >> bunch of issues of varying importance - some are outright bug fixes,
> >> while most are a matter of simplifying the code to make it more
> >> accessible.
> >>
> >> At the end of digging around the code and data sheet to figure out
> >> how it all works, I think the MTU issue might be fixed by a
> >> one-liner, but I'm not sure it can be that simple. It does seem to
> >> work (ping -s X works for larger values of X, and wireshark confirms
> >> that the packets are not fragmented).
> >>
> >> Re patch 2, someone in NXP should check how the hardware actually
> >> works and make an updated reference manual available.
> >
> > Looks like a nice clean up on a quick look.
> >
> > Please separate patches 1 and 11 (which are the two bug fixes I see)
> 
> I think patch 2 is a bug fix as well, but I'd like someone from NXP to comment.

It 's ok for me.


Best Regards,
Qiang Zhao


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