diff options
Diffstat (limited to 'include/linux/bcd.h')
| -rw-r--r-- | include/linux/bcd.h | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/include/linux/bcd.h b/include/linux/bcd.h index c545308125b..22ea563ba3e 100644 --- a/include/linux/bcd.h +++ b/include/linux/bcd.h @@ -1,20 +1,9 @@ -/* Permission is hereby granted to copy, modify and redistribute this code - * in terms of the GNU Library General Public License, Version 2 or later, - * at your option. - */ - -/* macros to translate to/from binary and binary-coded decimal (frequently - * found in RTC chips). - */ - #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> -/* backwards compat */ -#define BCD_TO_BIN(val) ((val)=BCD2BIN(val)) -#define BIN_TO_BCD(val) ((val)=BIN2BCD(val)) +unsigned bcd2bin(unsigned char val) __attribute_const__; +unsigned char bin2bcd(unsigned val) __attribute_const__; #endif /* _BCD_H */ |