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irq: Add irq_node() primitive

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... to return irq_desc node info without #ifdefs at the callsites.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
LKML-Reference: <4A95C350.8060308@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-08-26 16:20:48 -07:00 committed by Ingo Molnar
parent 372e24b0cb
commit 5bfb5b5138
1 changed files with 6 additions and 0 deletions
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6
include/linux/irqnr.h
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@ -41,6 +41,12 @@ extern struct irq_desc *irq_to_desc(unsigned int irq);
; \
else
#ifdef CONFIG_SMP
#define irq_node(irq) (irq_to_desc(irq)->node)
#else
#define irq_node(irq) 0
#endif
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \