[PATCH 6/6] ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU

Olof Johansson olof at lixom.net
Thu Jan 31 17:56:30 EST 2013


On Thu, Jan 31, 2013 at 10:34:17PM +0000, Will Deacon wrote:
> Hi Linus,
> 
> On Thu, Jan 31, 2013 at 08:21:04PM +0000, Linus Walleij wrote:
> > On Wed, Jan 30, 2013 at 3:27 PM, Will Deacon <will.deacon at arm.com> wrote:
> > 
> > > When running on Integrator/AP using atags, ap_syscon_base is initialised
> > > in ->map_io, which isn't called for !MMU platforms.
> > 
> > Oh hm. Haha apparently there is one guy with more bizarre hobbies
> > than myself, you're making me feel un-geeky... ;-)
> 
> Ha! Unfortunately, I only have one core-tile otherwise you could have one to
> help you feel less left-out :)
> 
> > > Instead, initialise the pointer in ->machine_init, as we do when booting
> > > with device-tree.
> > 
> > I was trying to figure out if there is some case where we need it earlier
> > but apparently not so.
> > 
> > Acked-by: Linus Walleij <linus.walleij at linaro.org>
> 
> Cheers!
> 
> > Maybe you should send this oneliner directly to the ARM SoC
> > people?
> 
> [adding Olof and Arnd] Is it worth sending a pull request containing a
> single patch, or can this patch just be picked directly?

Definitely ok to just send the patch like this. However -- where was
the breakage introduced, i.e.  what should we apply the fix to?


-Olof



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