diff options
Diffstat (limited to 'include/asm-generic/rtc.h')
| -rw-r--r-- | include/asm-generic/rtc.h | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index dd1bed860e6..fa86f240c87 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -12,11 +12,10 @@ #ifndef __ASM_RTC_H__ #define __ASM_RTC_H__ -#ifdef __KERNEL__ - #include <linux/mc146818rtc.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/delay.h> #define RTC_PIE 0x40 /* periodic interrupt enable */ #define RTC_AIE 0x20 /* alarm interrupt enable */ @@ -43,9 +42,8 @@ static inline unsigned char rtc_is_updating(void) return uip; } -static inline unsigned int get_rtc_time(struct rtc_time *time) +static inline unsigned int __get_rtc_time(struct rtc_time *time) { - unsigned long uip_watchdog = jiffies; unsigned char ctrl; unsigned long flags; @@ -55,19 +53,15 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) /* * read RTC once any update in progress is done. The update - * can take just over 2ms. We wait 10 to 20ms. There is no need to + * can take just over 2ms. We wait 20ms. There is no need to * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP. * If you need to know *exactly* when a second has started, enable * periodic update complete interrupts, (via ioctl) and then * immediately read /dev/rtc which will block until you get the IRQ. * Once the read clears, read the RTC time (again via ioctl). Easy. */ - - if (rtc_is_updating() != 0) - while (jiffies - uip_watchdog < 2*HZ/100) { - barrier(); - cpu_relax(); - } + if (rtc_is_updating()) + mdelay(20); /* * Only the values that we read from the RTC are set. We leave @@ -90,12 +84,12 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - BCD_TO_BIN(time->tm_sec); - BCD_TO_BIN(time->tm_min); - BCD_TO_BIN(time->tm_hour); - BCD_TO_BIN(time->tm_mday); - BCD_TO_BIN(time->tm_mon); - BCD_TO_BIN(time->tm_year); + time->tm_sec = bcd2bin(time->tm_sec); + time->tm_min = bcd2bin(time->tm_min); + time->tm_hour = bcd2bin(time->tm_hour); + time->tm_mday = bcd2bin(time->tm_mday); + time->tm_mon = bcd2bin(time->tm_mon); + time->tm_year = bcd2bin(time->tm_year); } #ifdef CONFIG_MACH_DECSTATION @@ -114,8 +108,12 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) return RTC_24H; } +#ifndef get_rtc_time +#define get_rtc_time __get_rtc_time +#endif + /* Set the current date and time in the real time clock. */ -static inline int set_rtc_time(struct rtc_time *time) +static inline int __set_rtc_time(struct rtc_time *time) { unsigned long flags; unsigned char mon, day, hrs, min, sec; @@ -165,12 +163,12 @@ static inline int set_rtc_time(struct rtc_time *time) if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { - BIN_TO_BCD(sec); - BIN_TO_BCD(min); - BIN_TO_BCD(hrs); - BIN_TO_BCD(day); - BIN_TO_BCD(mon); - BIN_TO_BCD(yrs); + sec = bin2bcd(sec); + min = bin2bcd(min); + hrs = bin2bcd(hrs); + day = bin2bcd(day); + mon = bin2bcd(mon); + yrs = bin2bcd(yrs); } save_control = CMOS_READ(RTC_CONTROL); @@ -196,6 +194,10 @@ static inline int set_rtc_time(struct rtc_time *time) return 0; } +#ifndef set_rtc_time +#define set_rtc_time __set_rtc_time +#endif + static inline unsigned int get_rtc_ss(void) { struct rtc_time h; @@ -213,5 +215,4 @@ static inline int set_rtc_pll(struct rtc_pll_info *pll) return -EINVAL; } -#endif /* __KERNEL__ */ #endif /* __ASM_RTC_H__ */ |
