sparse irqs: handle !GENIRQ platforms
Impact: build fix
fix:
In file included from /home/mingo/tip/arch/m68k/amiga/amiints.c:39:
/home/mingo/tip/include/linux/interrupt.h:21: error: expected identifier or '('
/home/mingo/tip/arch/m68k/amiga/amiints.c: In function 'amiga_init_IRQ':
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 79e915e..777f89e 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -14,12 +14,12 @@
#include <linux/irqflags.h>
#include <linux/smp.h>
#include <linux/percpu.h>
+#include <linux/irqnr.h>
+
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
-extern int nr_irqs;
-
/*
* These correspond to the IORESOURCE_IRQ_* defines in
* linux/ioport.h to select the interrupt line behaviour. When
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 13754f8..95d2b74 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -1,6 +1,11 @@
#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H
+/*
+ * Generic irq_desc iterators:
+ */
+#ifdef __KERNEL__
+
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
# define nr_irqs NR_IRQS
@@ -11,10 +16,12 @@
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1; irq >= 0; irq--)
#else
+
+extern int nr_irqs;
+
#ifndef CONFIG_SPARSE_IRQ
struct irq_desc;
-extern int nr_irqs;
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
# define for_each_irq_desc_reverse(irq, desc) \
@@ -26,4 +33,6 @@
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
+#endif /* __KERNEL__ */
+
#endif
diff --git a/include/linux/random.h b/include/linux/random.h
index ad9daa2..adbf3bd 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -8,6 +8,7 @@
#define _LINUX_RANDOM_H
#include <linux/ioctl.h>
+#include <linux/irqnr.h>
/* ioctl()'s for the random number generator */
@@ -49,7 +50,6 @@
extern struct timer_rand_state *irq_timer_state[];
-extern int nr_irqs;
static inline struct timer_rand_state *get_timer_rand_state(unsigned int irq)
{
if (irq >= nr_irqs)