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...
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <marc.zyngier@arm.com>
To: Eric Anholt <eric@anholt.net>, linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Stephen Warren <swarren@wwwdotorg.org>,
Lee Jones <lee@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>
Subject: Re: [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...
next prev parent reply other threads:[~2016-04-05 13:44 UTC|newest]
Thread overview: 26+ 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 ` 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 ` Eric Anholt
2016-04-05 3:44 ` [PATCH 2/4] irqchip: bcm2836: Drop smp_set_ops on arm64 builds Eric Anholt
2016-04-05 3:44 ` Eric Anholt
2016-04-05 13:44 ` Marc Zyngier [this message]
2016-04-05 13:44 ` Marc Zyngier
2016-04-08 20:43 ` Arnd Bergmann
2016-04-08 20:43 ` Arnd Bergmann
2016-04-13 19:49 ` Eric Anholt
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 ` Eric Anholt
2016-04-05 3:44 ` [PATCH 4/4] irqchip: bcm2836: Use a more generic memory barrier call Eric Anholt
2016-04-05 3:44 ` Eric Anholt
2016-04-06 4:59 ` Stephen Warren
2016-04-06 4:59 ` Stephen Warren
2016-04-08 18:20 ` Eric Anholt
2016-04-08 18:20 ` Eric Anholt
2016-04-09 5:26 ` Stephen Warren
2016-04-09 5:26 ` Stephen Warren
2016-04-10 18:32 ` Eric Anholt
2016-04-10 18:32 ` Eric Anholt
2016-04-11 15:52 ` Stephen Warren
2016-04-11 15:52 ` Stephen Warren
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