X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fcompat.h;h=2336b56cf5c170ee75f7b9a7e1f5655adb3f3f03;hb=235c5b8315c6a9eb566fd3d99a098cc6db869fc5;hp=533983faffc15deecff35587ae934c9c36a2f6a4;hpb=2d221489df021393654805536be7effcb9d39702;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 533983f..2336b56 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -15,8 +15,6 @@ struct p_current{
 
 extern struct p_current *current;
 
-#define ndelay(x)	udelay((x) < 1000 ? 1 : (x)/1000)
-
 #define dev_dbg(dev, fmt, args...)		\
 	debug(fmt, ##args)
 #define dev_vdbg(dev, fmt, args...)		\
@@ -108,8 +106,12 @@ static inline void kmem_cache_destroy(struct kmem_cache *cachep)
 #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
 #endif /* BUG */
 
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
-				  , __FILE__, __LINE__); }
+#define WARN_ON(condition) ({						\
+	int __ret_warn_on = !!(condition);				\
+	if (unlikely(__ret_warn_on))					\
+		printf("WARNING in %s line %d\n", __FILE__, __LINE__);	\
+	unlikely(__ret_warn_on);					\
+})
 
 #define PAGE_SIZE	4096