sparc: Provide NO_IRQ definition.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/irq_32.h

@@ -13,4 +13,7 @@
 #define irq_canonicalize(irq)	(irq)
 
 extern void __init init_IRQ(void);
+
+#define NO_IRQ		0xffffffff
+
 #endif

arch/sparc/include/asm/irq_64.h

@@ -97,4 +97,6 @@ extern void *softirq_stack[NR_CPUS];
 #define __ARCH_HAS_DO_SOFTIRQ
 #define ARCH_HAS_NMI_WATCHDOG
 
+#define NO_IRQ		0xffffffff
+
 #endif