[PATCH 7/7] Add MPC512x PSC serial driver

Grant Likely grant.likely at secretlab.ca
Wed Jan 9 07:16:27 EST 2008

On 1/8/08, John Rigby <jrigby at freescale.com> wrote:
> Thanks for the quick feedback Grant.
> Grant Likely wrote:
> > Exactly *how* different is the 5121 PSC from the 5200 PSC?  If it is
> > really different, then it makes sense to clone.
> The fifo handling has completely changed that is the main difference.
> >  In fact; I'd
> > duplicate the mpc52xx_psc.h file also to avoid any crossover.
> >
> I agree.
> > However, if the differences are manegable, I'd rather see a single
> > driver that can drive either type of PSC.  In fact, can you post a
> > diff between this driver and the original PSC driver?
> >
> I simple diff will mostly show the removal of arch/ppc support so
> won't be much help.  How about I do take a pass at a new version
> that supports 52xx and 512x but only for arch/powerpc?

I'm cool with that.  arch/powerpc support has *far* surpassed arch/ppc
for the 5200, so it may be time to just let the old stuff die, even if
it is a little ahead of schedule.


Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

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