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| author | Yinghai Lu <yinghai@kernel.org> | 2009-08-26 16:20:48 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-29 15:53:00 +0200 |
| commit | 5bfb5b51382f4bd01d9ced11503264d2cc74fe41 (patch) | |
| tree | 8731a740c2805907ccdfd58583760fda2eedc497 /include/linux/irqnr.h | |
| parent | 372e24b0cb764ec55b4cf3408a95ae40a29e5b96 (diff) | |
| download | linux-5bfb5b51382f4bd01d9ced11503264d2cc74fe41.tar.gz linux-5bfb5b51382f4bd01d9ced11503264d2cc74fe41.tar.bz2 linux-5bfb5b51382f4bd01d9ced11503264d2cc74fe41.zip | |
irq: Add irq_node() primitive
... 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>
Diffstat (limited to 'include/linux/irqnr.h')
| -rw-r--r-- | include/linux/irqnr.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index ec87b212ff7d..7bf89bc8cbca 100644 --- a/include/linux/irqnr.h +++ b/include/linux/irqnr.h @@ -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) \ |