Re: [RFC][RFT][PATCH 3/4 v6] OMAP: McBSP: Introduce caching in register write operations

[Tony Lindgren <tony@atomide.com>]

* Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> [091208 11:45]:
> Tuesday 08 December 2009 17:59:31 Tony Lindgren napisał(a):
> > * Tony Lindgren <tony@atomide.com> [091208 08:39]:
> > >
> > > How about just set the cache size above based on the processor,
> > > then do kzalloc here:
> > >
> > > mcbsp->reg_cache = kzalloc(size, GFP_KERNEL);
> > >
> > > > +	if (!mcbsp->reg_cache)
> > > > +		return -ENOMEM;
> > > > +
> > >
> > > That way the kzalloc and error checking are in the same place.
> >
> > Actually since we already have mach-omap1/mcbsp.c and mach-omap2/mcbsp.c,
> > it would be best to pass the cache size from omap1_mcbsp_init and
> > omap2_mcbsp_init. That leaves some of the if cpu_is_omapxxxx() else
> > stuff.
> 
> Tony,
> Almost ready with it, one more question: what do you think about splitting and 
> moving omap_mcbsp_read()/_write() there as well? If you agree, should I 
> submit 2 patches, one with this cleanup, the other one actually introducing 
> cache support, or is one combined OK?

Sounds good to me!

Tony
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