[PATCH 2/2] ARM: SH-Mobile: sh73a0: Add CPU Hotplug

Magnus Damm magnus.damm at gmail.com
Thu Dec 13 22:21:07 EST 2012


On Thu, Dec 6, 2012 at 9:08 PM, Bastian Hecht <hechtb at gmail.com> wrote:
> From: Bastian Hecht <hechtb at gmail.com>
>
> Add the capability to add and remove CPUs on the fly.
> The Cortex-A9 offers the possibility to take single cores out of the
> MP Core. We add this capabilty taking care that caches are kept
> coherent. For the actual shutdown via a WFI instruction, a code snippet
> from the omap2 code tree is copied. Thanks for that! For verifying the
> shutdown we rely on the internal SH73A0 Power Status Register
> PSTR.
>
> Signed-off-by: Bastian Hecht <hechtb+renesas at gmail.com>

Acked-by: Magnus Damm <damm at opensource.se>



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