Re: [PATCH v2] ARM: mmp: bring up pxa988 with device tree support

From: Arnd Bergmann
Date: Fri Jun 14 2013 - 08:55:52 EST

On Friday 14 June 2013 17:15:33 Chao Xie wrote:
> On Mon, Jun 10, 2013 at 4:35 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:

> > I guess that is a problem we have on other platforms as well, we should
> > find a generic solution for that. It would be nice to reserve a page
> > in "fixmap" and have common code map the SCU page into that.
> >
> So you mean that reserve a page in arch/arm/asm/include/fixmap.h?


> This reserve will depend on the cpu type beacuse only A9 will have SCU part.

I think A5 and ARM11MPCore as well.

> I do not know that in fixmap, the #ifdef is acceptable or not.

Yes, it is. We don't really use fixmap on ARM for anything other than
kmap_atomic at the moment. Please have a look at the powerpc and x86

> For the common code to map the SCU page, where do you suggest to put it?


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at