linux-kernel - Re: [PATCH v5 05/20] irqchip: add nps Internal and external irqchips

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Message-ID: <5683B4E4.40101@synopsys.com>
Date:	Wed, 30 Dec 2015 16:11:40 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Noam Camus <noamc@...hip.com>, <linux-snps-arc@...ts.infradead.org>
CC:	<linux-kernel@...r.kernel.org>, <cmetcalf@...hip.com>,
	<daniel.lezcano@...aro.org>, <marc.zyngier@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Subject: Re: [PATCH v5 05/20] irqchip: add nps Internal and external irqchips

On Sunday 27 December 2015 06:53 PM, Noam Camus wrote:
> From: Noam Camus <noamc@...hip.com>

...

> +static struct irq_domain *nps400_root_domain;

This can simply be a local var now !

> +static void nps400_handle_irq(unsigned int hwirq, struct pt_regs *regs)
> +{
> +	handle_domain_irq(nps400_root_domain, hwirq, regs);
> +}
> +
> +static int __init nps400_of_init(struct device_node *node,
> +				 struct device_node *parent)
> +{
> +	if (parent)
> +		panic("DeviceTree incore ic not a root irq controller\n");
> +
> +	nps400_root_domain = irq_domain_add_linear(node, NR_CPU_IRQS,
> +						   &nps400_irq_ops, NULL);
> +
> +	if (!nps400_root_domain)
> +		panic("nps400 root irq domain not avail\n");
> +
> +	set_handle_irq(nps400_handle_irq);
> +
> +	return 0;
> +}
> +IRQCHIP_DECLARE(ezchip_nps400_ic, "ezchip,nps400-ic", nps400_of_init);
> 

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