remove unused #include <linux/dirent.h>'s

[firefly-linux-kernel-4.4.55.git] / include / linux / bcd.h

diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index c545308125b0904a070e3cccd611f83ff37b71e1..7ac518e3c152d9da46f53ed097adb3019245dd5f 100644 (file)
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -10,8 +10,13 @@
 #ifndef _BCD_H
 #define _BCD_H
 
-#define BCD2BIN(val)   (((val) & 0x0f) + ((val)>>4)*10)
-#define BIN2BCD(val)   ((((val)/10)<<4) + (val)%10)
+#include <linux/compiler.h>
+
+unsigned bcd2bin(unsigned char val) __attribute_const__;
+unsigned char bin2bcd(unsigned val) __attribute_const__;
+
+#define BCD2BIN(val)   bcd2bin(val)
+#define BIN2BCD(val)   bin2bcd(val)
 
 /* backwards compat */
 #define BCD_TO_BIN(val) ((val)=BCD2BIN(val))