[PATCH 2/4] ARM: sunxi: mc-smp: Use DT enable-method for sun9i A80 SMP

[Maxime Ripard]

On Thu, Mar 08, 2018 at 11:00:10PM +0800, Chen-Yu Tsai wrote:
> Instead of having an early init function check the machine compatible
> and installing multi-cluster SMP support for the A80 if it matches,
> use a new cpu enable-method string. This makes the platform support
> future proof in case anyone manages to add PSCI support.
> 
> The original init code for the SMP support is changed into the
> .prepare_cpus callback in the smp_operations structure. Instead of
> panicing when resources are missing like on some platforms, our code
> merely guards against engaging SMP or CPU hotplug and returns an error.
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>

Acked-by: Maxime Ripard <maxime.ripard at bootlin.com>

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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