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authoreric miao <eric.y.miao@gmail.com>2010-06-25 09:46:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-09 14:41:33 +0100
commit354e6f72d6fd5d3d2963efe030265972866cd969 (patch)
tree2ec7973825a42f4d15d233375c5db3b073658421 /arch/arm/include/asm/mach/arch.h
parent309caa9cc6ff39d261264ec4ff10e29489afc8f8 (diff)
downloadlinux-354e6f72d6fd5d3d2963efe030265972866cd969.tar.bz2
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/mach/arch.h')
-rw-r--r--arch/arm/include/asm/mach/arch.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index c59842dc7cb8..5ee6f85236a4 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -20,6 +20,7 @@ struct machine_desc {
* by assembler code in head.S, head-common.S
*/
unsigned int nr; /* architecture number */
+ unsigned int nr_irqs; /* number of IRQs */
unsigned int phys_io; /* start of physical io */
unsigned int io_pg_offst; /* byte offset for io
* page tabe entry */