linux-kernel - Re: [PATCH v2 2/8] irq: bcm2836: Add SMP support for the 2836

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Date:	Thu, 17 Dec 2015 07:17:42 +0200
From:	Baruch Siach <baruch@...s.co.il>
To:	Eric Anholt <eric@...olt.net>
Cc:	linux-rpi-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>,
	devicetree@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jason Cooper <jason@...edaemon.net>,
	Scott Branden <sbranden@...adcom.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Ray Jui <rjui@...adcom.com>, Lee Jones <lee@...nel.org>,
	linux-kernel@...r.kernel.org,
	Andrea Merello <andrea.merello@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	bcm-kernel-feedback-list@...adcom.com,
	Kumar Gala <galak@...eaurora.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/8] irq: bcm2836: Add SMP support for the 2836

Hi Eric,

On Wed, Dec 16, 2015 at 03:55:09PM -0800, Eric Anholt wrote:
> @@ -226,6 +228,26 @@ static const struct irq_domain_ops bcm2836_arm_irqchip_intc_ops = {
>  	.xlate = irq_domain_xlate_onecell
>  };
>  
> +#ifdef CONFIG_SMP

Why not put this section under the existing '#ifdef CONFIG_SMP' just a few 
lines above?

> +int __init bcm2836_smp_boot_secondary(unsigned int cpu,
> +				      struct task_struct *idle)
> +{
> +	unsigned long secondary_startup_phys =
> +		(unsigned long)virt_to_phys((void *)secondary_startup);
> +
> +	dsb();
> +	writel(secondary_startup_phys,
> +	       intc.base + LOCAL_MAILBOX3_SET0 + 16 * cpu);
> +
> +	return 0;
> +}
> +
> +static const struct smp_operations bcm2836_smp_ops __initconst = {
> +	.smp_boot_secondary	= bcm2836_smp_boot_secondary,
> +};
> +
> +#endif

baruch

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