--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -84,7 +84,7 @@ static void str2eaddr(char *str, char *d
 static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
 {
 	char buf[100];
-	u32 boardflags;
+	u32 uninitialized_var(boardflags);
 
 	memset(sprom, 0, sizeof(struct ssb_sprom));
 
