[PATCH v2] arm: make FORCE_MAX_ZONEORDER configurable for TI AM33XX

[Tony Lindgren]

* Yegor Yefremov <yegor_sub1 at visionsystems.de> [120925 01:47]:
> On 25.09.2012 10:32, Russell King - ARM Linux wrote:
> > On Tue, Sep 25, 2012 at 10:26:30AM +0200, yegorslists at googlemail.com wrote:
> >> From: Yegor Yefremov <yegorslists at googlemail.com>
> >>
> >> FORCE_MAX_ZONEORDER of 12 is needed to allocation more than 4MB
> >> of consistent DMA memory (da8xx frame buffer driver).
> > 
> > Okay, so the patch description says "This needs to be 12 on this platform".
> > 
> >>  config FORCE_MAX_ZONEORDER
> >> -	int "Maximum zone order" if ARCH_SHMOBILE
> >> -	range 11 64 if ARCH_SHMOBILE
> >> +	int "Maximum zone order" if ARCH_SHMOBILE || SOC_AM33XX
> >> +	range 11 64 if ARCH_SHMOBILE || SOC_AM33XX
> > 
> > but you leave it up to the user to select something that may not be
> > suitable.  Wouldn't _just_ adding:
> > 
> > 	default "12" if SOC_AM33XX
> > 
> > after the "range", and making no other changes be good enough and match
> > what the patch description says?
> 
> You're right. As we don't allocate anything, but increase the possible size, it shouldn't break anything. Tony is it O.K. with you?

Sure.

Tony