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ARM: 6138/1: Add support for 10 hardirq bits 

This patch adds support for 10 hardirq bits to
the ARM architecture. Needed by the SH-Mobile
ARM processor sh7372 that has more than 512 IRQs.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Magnus Damm 2010-05-19 09:58:27 +01:00 committed by Russell King
parent 1944cc894f
commit 27ada410c7
1 changed files with 3 additions and 1 deletions
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4
arch/arm/include/asm/hardirq.h
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@ -12,7 +12,9 @@ typedef struct {
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#if NR_IRQS > 256
#if NR_IRQS > 512
#define HARDIRQ_BITS 10
#elif NR_IRQS > 256
#define HARDIRQ_BITS 9
#else
#define HARDIRQ_BITS 8