Re: [PATCH v2 8/8] ARM: tegra: support for secondary cores onTegra30

From: Peter De Schrijver
Date: Mon Feb 06 2012 - 18:23:41 EST

On Thu, Feb 02, 2012 at 07:04:12PM +0100, Stephen Warren wrote:
> Peter De Schrijver wrote at Tuesday, January 31, 2012 9:41 AM:
> > Add support for bringing up secondary cores on Tegra30. On Tegra30 secondary
> > CPU cores are powergated, so we need to turn on the domains before we can bring
> > the CPU cores online. Bringing secondary cores online happens early during the
> > sytem boot, so we call powergating initialization from platform early_init
> > function.
> >
> > Based on work by:
> >
> > Scott Williams <scwilliams@xxxxxxxxxx>
> > Colin Cross <ccross@xxxxxxxxxxx>
> > Alex Frid <afrid@xxxxxxxxxx>
> >
> > Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> The series,
> Tested-by: Stephen Warren <swarren@xxxxxxxxxx>
> This time, since I now have the SD card working, I managed to test real
> user-space processes running on all 4 cores.
> Note, patch 3 shouldn't compile due to a typo in a .size directive. It
> does for me, so I could test this! But, it didn't for Olof. Aside from
> that (which perhaps Olof would fixup during patch application?),

Indeed. The .size symbol is never used though, which might explain why it
compiled for you and me. I will leave it out in th enext version.


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