[PATCH 2/3] ARM: smp_scu: enable SCU standby support

[shawn.guo@freescale.com (Shawn Guo)]

On Wed, Jul 23, 2014 at 05:45:21PM +0100, Catalin Marinas wrote:
> On Wed, Jul 23, 2014 at 05:50:57AM +0100, Shawn Guo wrote:
> > On Tue, Jul 22, 2014 at 05:13:31PM +0100, Catalin Marinas wrote:
> > > And we don't know the behaviour of setting this bit on such A9 early
> > > revisions. So we can try to (1) find out if there are any in the field,
> > > (2) read the RTL to see if anything happens or (3) add a check in Linux
> > > for such revisions. I think (3) should be the case but you need to figure
> > > out which revisions these are.
> > 
> > Can I ask the favor from you ARM folks on that, since I cannot figure
> > it out from any public information?
> 
> Looking through some of the older A9 TRMs, it seems that this bit was
> added in r2p0. Whether it works as advertised on the relevant SoCs I
> can't tell.

Thanks for checking, Catalin.

Shawn