[PATCH 05/10] ARM: zx: bring up the secondary core

Arnd Bergmann
2015-03-14T21:25:03Z

On Saturday 14 March 2015 19:49:40 Jun Nie wrote:
> +
> + /*
> + * This is really belt and braces; we hold unintended secondary
> + * CPUs in the holding pen until we're ready for them. However,
> + * since we haven't sent them a soft interrupt, they shouldn't
> + * be there.
> + */
> + write_pen_release(cpu);
> +
>

Why do you need the holding pen on this platform? Is there a firmware
bug or just missing hardware support for proper SMP power management?

Arnd