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authoreric miao <eric.y.miao@gmail.com>2010-06-25 12:46:09 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-09 17:41:33 +0400
commit354e6f72d6fd5d3d2963efe030265972866cd969 (patch)
tree2ec7973825a42f4d15d233375c5db3b073658421 /arch/arm/include/asm/irq.h
parent309caa9cc6ff39d261264ec4ff10e29489afc8f8 (diff)
downloadlinux-354e6f72d6fd5d3d2963efe030265972866cd969.tar.xz
ARM: 6197/2: preliminary support for sparse IRQ
So to allow NR_IRQS to be dynamic and platforms to specify the number of IRQs really needed. Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/irq.h')
-rw-r--r--arch/arm/include/asm/irq.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 237282f7c762..2721a5814cb9 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -7,6 +7,8 @@
#define irq_canonicalize(i) (i)
#endif
+#define NR_IRQS_LEGACY 16
+
/*
* Use this value to indicate lack of interrupt
* capability