sparc: Fixed random SPARC/LEON SMP CPU Stuck problem.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/leon_smp.c

@@ -56,8 +56,8 @@ void __init leon_configure_cache_smp(void);
 static inline unsigned long do_swap(volatile unsigned long *ptr,
 				    unsigned long val)
 {
-	__asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
-			     : "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
+	__asm__ __volatile__("swapa [%2] %3, %0\n\t" : "=&r"(val)
+			     : "0"(val), "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
 			     : "memory");
 	return val;
 }