diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/bcd.h | 19 | ||||
| -rw-r--r-- | include/linux/mc146818rtc.h | 12 |
2 files changed, 12 insertions, 19 deletions
diff --git a/include/bcd.h b/include/bcd.h index c545308..af4aa9c 100644 --- a/include/bcd.h +++ b/include/bcd.h @@ -3,18 +3,23 @@ * at your option. */ -/* macros to translate to/from binary and binary-coded decimal (frequently - * found in RTC chips). +/* inline functions 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/types.h> -/* backwards compat */ -#define BCD_TO_BIN(val) ((val)=BCD2BIN(val)) -#define BIN_TO_BCD(val) ((val)=BIN2BCD(val)) +static inline unsigned int bcd2bin(u8 val) +{ + return ((val) & 0x0f) + ((val) >> 4) * 10; +} + +static inline u8 bin2bcd (unsigned int val) +{ + return (((val / 10) << 4) | (val % 10)); +} #endif /* _BCD_H */ diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h index 227feeb..0644d92 100644 --- a/include/linux/mc146818rtc.h +++ b/include/linux/mc146818rtc.h @@ -83,16 +83,4 @@ #define RTC_VALID RTC_REG_D # define RTC_VRT 0x80 /* valid RAM and time */ /**********************************************************************/ - -/* example: !(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) - * determines if the following two #defines are needed - */ -#ifndef BCD_TO_BIN -#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10) -#endif - -#ifndef BIN_TO_BCD -#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10) -#endif - #endif /* _MC146818RTC_H */ |