[PATCH V3: Add Smp support for Allwinner A20. 1/3] Add smp support for Allwinner A20(sunxi 7i).

Maxime Ripard maxime.ripard at free-electrons.com
Mon Sep 30 12:47:09 EDT 2013


Hi Fan,

On Sat, Sep 28, 2013 at 09:48:11PM +0800, cinifr wrote:
> Hi  Maxime,
>     I have test it, but I found it does not work. If using
> smp_prepare_cpus, the kernenl cannot find the secondary cpus because
> that smp_prepare_cpus semms not be excuted before kernel is booting
> secondary cpus. So I have to use early_initcall.

At least two other platforms (sti and rockchip) do it like that.

And an early_initcall is not an option.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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