linux-kernel - Re: [PATCH v5 08/27] irq_domain: Move irq_domain code from powerpc to kernel/irq

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Date:	Thu, 16 Feb 2012 18:38:41 +0100
From:	"Cousson, Benoit" <b-cousson@...com>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Milton Miller <miltonm@....com>,
	Rob Herring <rob.herring@...xeda.com>
Subject: Re: [PATCH v5 08/27] irq_domain: Move irq_domain code from powerpc
 to kernel/irq

Hi Grant,

It looks like there is a small regression in that update, it cannot 
build due to a missing semi-colon.

On 2/16/2012 10:09 AM, Grant Likely wrote:
> +/**
> + * irq_find_mapping() - Find a linux irq from an hw irq number.
> + * @host: domain owning this hardware interrupt
> + * @hwirq: hardware irq number in that host space
> + *
> + * This is a slow path, for use by generic code. It's expected that an
> + * irq controller implementation directly calls the appropriate low level
> + * mapping function.
> + */
> +unsigned int irq_find_mapping(struct irq_domain *host,
> +			      irq_hw_number_t hwirq)
> +{
> +	unsigned int i;
> +	unsigned int hint = hwirq % irq_virq_count;
> +
> +	/* Look for default host if nececssary */
> +	if (host == NULL)
> +		host = irq_default_host;
> +	if (host == NULL)
> +		return NO_IRQ;
> +
> +	/* legacy ->  bail early */
> +	if (host->revmap_type == IRQ_DOMAIN_MAP_LEGACY)
> +		return hwirq;
> +
> +	/* Slow path does a linear search of the map */
> +	if (hint == 0)
> +		hint = 1;
> +	i = hint;
> +	do {
> +		struct irq_data *data = irq_get_irq_data(i);
> +		if (data&&  (data->domain == host)&&  (data->hwirq == hwirq))
> +			return i;
> +		i++;
> +		if (i>= irq_virq_count)
> +			i = 1

The ";" is missing.

Regards,
Benoit
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