Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>
        CONFIG_DRIVER_SMC911X_16_BIT shall be set"
 #endif
 
-#ifdef CONFIG_DRIVER_SMC911X_32_BIT
+#if defined (CONFIG_DRIVER_SMC911X_32_BIT)
 static inline u32 reg_read(u32 addr)
 {
        return *(volatile u32*)addr;
 {
        *(volatile u32*)addr = val;
 }
-#elif CONFIG_DRIVER_SMC911X_16_BIT
+#elif defined (CONFIG_DRIVER_SMC911X_16_BIT)
 static inline u32 reg_read(u32 addr)
 {
        volatile u16 *addr_16 = (u16 *)addr;