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authorYinghai Lu <yinghai@kernel.org>2009-08-26 16:20:48 -0700
committerIngo Molnar <mingo@elte.hu>2009-08-29 15:53:00 +0200
commit5bfb5b51382f4bd01d9ced11503264d2cc74fe41 (patch)
tree8731a740c2805907ccdfd58583760fda2eedc497 /include/linux/irqnr.h
parent372e24b0cb764ec55b4cf3408a95ae40a29e5b96 (diff)
downloadlinux-linaro-stable-5bfb5b51382f4bd01d9ced11503264d2cc74fe41.tar.gz
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.h6
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) \