1 files changed, 15 insertions, 1 deletions

diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index 82f3e229e621..7c75045ae22b 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -8,9 +8,13 @@
 
 #include <linux/irqflags.h>
 #include <linux/compiler.h>
+#include <linux/linkage.h>
 #include <asm/types.h>
 #include <asm/ptrace.h>
 
+struct task_struct *__switch_to(struct task_struct *prev,
+                                struct task_struct *next);
+
 /*
  *      switch_to() should switch tasks to task nr n, first
  */
@@ -122,7 +126,7 @@ static inline void sched_cacheflush(void)
 #define smp_read_barrier_depends()      do { } while(0)
 #endif
 
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
 
 /*
  * Jump to P2 area.
@@ -271,6 +275,16 @@ extern unsigned int instruction_size(unsigned int insn);
 void disable_hlt(void);
 void enable_hlt(void);
 
+void default_idle(void);
+
+asmlinkage void break_point_trap(void);
+asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5,
+                                   unsigned long r6, unsigned long r7,
+                                   struct pt_regs __regs);
+asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5,
+                                 unsigned long r6, unsigned long r7,
+                                 struct pt_regs __regs);
+
 #define arch_align_stack(x) (x)
 
 #endif