[ARM] Fix circular include dependency with IRQ headers

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/hw_irq.h

@@ -4,6 +4,24 @@
 #ifndef _ARCH_ARM_HW_IRQ_H
 #define _ARCH_ARM_HW_IRQ_H
 
-#include <asm/mach/irq.h>
+static inline void ack_bad_irq(int irq)
+{
+	extern unsigned long irq_err_count;
+	irq_err_count++;
+}
+
+/*
+ * Obsolete inline function for calling irq descriptor handlers.
+ */
+static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc)
+{
+	desc->handle_irq(irq, desc);
+}
+
+void set_irq_flags(unsigned int irq, unsigned int flags);
+
+#define IRQF_VALID	(1 << 0)
+#define IRQF_PROBE	(1 << 1)
+#define IRQF_NOAUTOEN	(1 << 2)
 
 #endif

arch/arm/include/asm/mach/irq.h

@@ -21,20 +21,6 @@ extern void (*init_arch_irq)(void);
 extern void init_FIQ(void);
 extern int show_fiq_list(struct seq_file *, void *);
 
-/*
- * Obsolete inline function for calling irq descriptor handlers.
- */
-static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc)
-{
-	desc->handle_irq(irq, desc);
-}
-
-void set_irq_flags(unsigned int irq, unsigned int flags);
-
-#define IRQF_VALID	(1 << 0)
-#define IRQF_PROBE	(1 << 1)
-#define IRQF_NOAUTOEN	(1 << 2)
-
 /*
  * This is for easy migration, but should be changed in the source
  */
@@ -45,10 +31,4 @@ do {							\
 	spin_unlock(&desc->lock);			\
 } while(0)
 
-extern unsigned long irq_err_count;
-static inline void ack_bad_irq(int irq)
-{
-	irq_err_count++;
-}
-
 #endif

arch/arm/kernel/irq.c

@@ -38,6 +38,7 @@
 #include <linux/proc_fs.h>
 
 #include <asm/system.h>
+#include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
 /*