3 files changed, 3 insertions, 9 deletions
diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h
index 5d617b3ef78f..1e5dc5ccf7bf 100644
--- a/arch/sh/include/asm/cmpxchg.h
+++ b/arch/sh/include/asm/cmpxchg.h
@@ -9,6 +9,7 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
+#include <linux/cmpxchg-emu.h>
 
 #if defined(CONFIG_GUSA_RB)
 #include <asm/cmpxchg-grb.h>
@@ -56,6 +57,8 @@ static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
 		unsigned long new, int size)
 {
 	switch (size) {
+	case 1:
+		return cmpxchg_emu_u8(ptr, old, new);
 	case 4:
 		return __cmpxchg_u32(ptr, old, new);
 	}
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 0f384b1f45ca..53fc18a3d4c2 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -14,12 +14,6 @@
 #define NO_IRQ_IGNORE		((unsigned int)-1)
 
 /*
- * Simple Mask Register Support
- */
-extern void make_maskreg_irq(unsigned int irq);
-extern unsigned short *irq_mask_register;
-
-/*
  * PINT IRQs
  */
 void make_imask_irq(unsigned int irq);
diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h
index 7b8dead2723d..63f88b465e39 100644
--- a/arch/sh/include/asm/mmzone.h
+++ b/arch/sh/include/asm/mmzone.h
@@ -5,9 +5,6 @@
 #ifdef CONFIG_NUMA
 #include <linux/numa.h>
 
-extern struct pglist_data *node_data[];
-#define NODE_DATA(nid)		(node_data[nid])
-
 static inline int pfn_to_nid(unsigned long pfn)
 {
 	int nid;