From: Magnus Damm <magnus.damm@gmail.com>
Date: Wed, 19 May 2010 08:58:27 +0000 (+0100)
Subject: ARM: 6138/1: Add support for 10 hardirq bits
X-Git-Tag: v2.6.35-rc1~264^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=27ada410c7a56e72fd8c5d304704fbf5cb685659;p=thirdparty%2Flinux.git

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>
---

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 182310b991950..6d7485aff9558 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -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