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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] irqchip: bcm2836: Drop smp_set_ops on arm64 builds
Date: Tue, 5 Apr 2016 14:44:34 +0100	[thread overview]
Message-ID: <5703C142.6050904@arm.com> (raw)
In-Reply-To: <1459827858-3871-3-git-send-email-eric@anholt.net>

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@anholt.net>
> ---
>  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...

  reply	other threads:[~2016-04-05 13:44 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-05  3:44 [PATCH 0/4] irqchip: bcm2835: arm64 port Eric Anholt
2016-04-05  3:44 ` [PATCH 1/4] irqchip: bcm2835: Avoid arch/arm-specific handle_IRQ Eric Anholt
2016-04-05  3:44 ` [PATCH 2/4] irqchip: bcm2836: Drop smp_set_ops on arm64 builds Eric Anholt
2016-04-05 13:44   ` Marc Zyngier [this message]
2016-04-08 20:43   ` Arnd Bergmann
2016-04-13 19:49     ` Eric Anholt
2016-04-05  3:44 ` [PATCH 3/4] irqchip: bcm2836: Fix compiler warning on 64-bit build Eric Anholt
2016-04-05  3:44 ` [PATCH 4/4] irqchip: bcm2836: Use a more generic memory barrier call Eric Anholt
2016-04-06  4:59   ` Stephen Warren
2016-04-08 18:20     ` Eric Anholt
2016-04-09  5:26       ` Stephen Warren
2016-04-10 18:32         ` Eric Anholt
2016-04-11 15:52           ` Stephen Warren

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