sparc: fix sparse warnings in traps_32.c

o add decalrations to entry.h for functions only used from assembler
o add declaratiosn to kernel.h for functions only used from .c
o removed unused functions/extern declarations

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index 7f02aad..3fa8338 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -4,5 +4,14 @@
 
 extern unsigned int fsr_storage;
 
+#ifdef CONFIG_SPARC32
+/* cpu.c */
 extern void cpu_probe(void);
 
+/* traps_32.c */
+extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
+                              unsigned long npc, unsigned long psr);
+/* muldiv.c */
+extern int do_user_muldiv (struct pt_regs *, unsigned long);
+#else /* CONFIG_SPARC32 */
+#endif