[PATCH 3/3] ARM: OMAP: Remove plat-omap/common.c

Tony Lindgren tony at atomide.com
Mon Nov 5 10:36:33 EST 2012


* Tomi Valkeinen <tomi.valkeinen at ti.com> [121105 00:06]:
> On 2012-11-02 20:54, Tony Lindgren wrote:
> >> * Santosh Shilimkar <santosh.shilimkar at ti.com> [121102 01:56]:
> >>> On Friday 02 November 2012 02:19 PM, Tomi Valkeinen wrote:
> >>>> On 2012-11-02 08:38, Santosh Shilimkar wrote:
> >>>>>
> >>>>> Lets not move this in DMA code since the above is really related
> >>>>> to frame buffer. It reserves more DMA area for dma_alloc_coherent()
> >>>>> etc than default 2 MB. Infact, we should no longer need this with
> >>>>> CMA and memblock in place.
> >>>>>
> >>>>> Tomi,
> >>>>> Can we not get rid of the above memory reservation ?
> >>>>
> >>>> Yes, I think so. This one is only used for the old omapfb, i.e. omap1,
> >>>> and I have no means to test it out, though. But below is a patch to
> >>>> remove it. I also attached the patch, as it looks like thunderbird wants
> >>>> to reformat the pasted patch... I'll remove the
> >>>> CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE from the omapfb driver's Kconfig file
> >>>> in my tree later.
> > 
> > Hmm actually, is it safe to remove for omap1, or should we
> > still keep it around for omap1?
> 
> Why wouldn't it be safe? Do you mean that CMA doesn't work on omap1,
> or...? I'm no expert on CMA, but as far as I can see with it's ARM
> generic stuff.

Just wondering after your comment "This one is only used for the old
omapfb, i.e. omap1". But sounds like it should no longer be needed
there either if I parse that right.

Regards,

Tony



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