From 7ef0c30dbf96a8d9a234e90c248eb19df3c031be Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 13:07:35 +0200
Subject: [PATCH] genirq: define nr_irqs for architectures with
 GENERIC_HARDIRQS=n

Revert the sparse irq changes in m68k/s390/sparc and just define
nr_irqs as NR_IRQS for those architectures.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/kernel/ints.c   | 3 ---
 arch/s390/kernel/irq.c    | 3 ---
 arch/sparc/kernel/irq.c   | 4 ----
 include/linux/interrupt.h | 8 +++++---
 4 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 44169e4cd91..7e8a0d394e6 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -46,9 +46,6 @@
 #include <asm/q40ints.h>
 #endif
 
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 3624c4a0037..e7c5bfb7c75 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -17,9 +17,6 @@
 #include <linux/proc_fs.h>
 #include <linux/profile.h>
 
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 /*
  * show_interrupts is needed by /proc/interrupts.
  */
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 4b99e3ce391..93e1d1c6529 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -55,10 +55,6 @@
 #define SMP_NOP2
 #define SMP_NOP3
 #endif /* SMP */
-
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 unsigned long __raw_local_irq_save(void)
 {
 	unsigned long retval;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index d4039a0b23f..5a57df2ee92 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -15,11 +15,13 @@
 #include <asm/ptrace.h>
 #include <asm/system.h>
 
-extern int nr_irqs;
-
 #ifndef CONFIG_GENERIC_HARDIRQS
-#define for_each_irq_desc(irq, desc)		\
+# define for_each_irq_desc(irq, desc)		\
 	for (irq = 0; irq < nr_irqs; irq++)
+
+# define nr_irqs		NR_IRQS
+#else
+extern int nr_irqs;
 #endif
 
 /*
-- 
2.11.4.GIT