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Date: Wed, 18 Sep 2013 15:24:43 +0200 From: Thierry Reding <thierry.reding@...il.com> To: Rob Herring <rob.herring@...xeda.com>, Grant Likely <grant.likely@...aro.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Thomas Gleixner <tglx@...utronix.de> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Ralf Baechle <ralf@...ux-mips.org>, Russell King <linux@....linux.org.uk>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 01/10] of/irq: Rework of_irq_count() The of_irq_to_resource() helper that is used to implement of_irq_count() tries to resolve interrupts and in fact creates a mapping for resolved interrupts. That's pretty heavy lifting for something that claims to just return the number of interrupts requested by a given device node. Instead, use the more lightweight of_irq_map_one(), which, despite the name, doesn't create an actual mapping. Perhaps a better name would be of_irq_translate_one(). Signed-off-by: Thierry Reding <treding@...dia.com> --- drivers/of/irq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 1752988..5f44388 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -368,9 +368,10 @@ EXPORT_SYMBOL_GPL(of_irq_to_resource); */ int of_irq_count(struct device_node *dev) { + struct of_irq irq; int nr = 0; - while (of_irq_to_resource(dev, nr, NULL)) + while (of_irq_map_one(dev, nr, &irq) == 0) nr++; return nr; -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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