Re: [PATCH 2/4] irqchip: bcm2836: Drop smp_set_ops on arm64 builds

From: Marc Zyngier
Date: Tue Apr 05 2016 - 09:44:44 EST


Eric,

On 05/04/16 04:44, Eric Anholt wrote:
> For arm64, the bootloader will instead be implementing the spin-table
> enable method.

You may also want to add that SMP ops simply do not exist on arm64,
hence the bootloader [...].

>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> ---
> drivers/irqchip/irq-bcm2836.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
> index 233ccdd..4ae9f76 100644
> --- a/drivers/irqchip/irq-bcm2836.c
> +++ b/drivers/irqchip/irq-bcm2836.c
> @@ -223,6 +223,7 @@ static struct notifier_block bcm2836_arm_irqchip_cpu_notifier = {
> .priority = 100,
> };
>
> +#ifdef ARM

That should really be CONFIG_ARM.

> int __init bcm2836_smp_boot_secondary(unsigned int cpu,
> struct task_struct *idle)
> {
> @@ -238,7 +239,7 @@ int __init bcm2836_smp_boot_secondary(unsigned int cpu,
> static const struct smp_operations bcm2836_smp_ops __initconst = {
> .smp_boot_secondary = bcm2836_smp_boot_secondary,
> };
> -
> +#endif
> #endif
>
> static const struct irq_domain_ops bcm2836_arm_irqchip_intc_ops = {
> @@ -256,8 +257,11 @@ bcm2836_arm_irqchip_smp_init(void)
> register_cpu_notifier(&bcm2836_arm_irqchip_cpu_notifier);
>
> set_smp_cross_call(bcm2836_arm_irqchip_send_ipi);
> +
> +#ifdef ARM
> smp_set_ops(&bcm2836_smp_ops);
> #endif
> +#endif
> }
>
> /*
>

Thanks,

M.
--
Jazz is not dead. It just smells funny...