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-rw-r--r--arch/cris/kernel/time.c76
1 files changed, 7 insertions, 69 deletions
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index 4e73092..277ffc4 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -21,7 +21,6 @@
*
*/
-#include <asm/rtc.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/param.h>
@@ -32,7 +31,8 @@
#include <linux/profile.h>
#include <linux/sched.h> /* just for sched_clock() - funny that */
-int have_rtc; /* used to remember if we have an RTC or not */;
+
+#define D(x)
#define TICK_SIZE tick
@@ -50,78 +50,16 @@ u32 arch_gettimeoffset(void)
}
#endif
-/*
- * BUG: This routine does not handle hour overflow properly; it just
- * sets the minutes. Usually you'll only notice that after reboot!
- */
-
int set_rtc_mmss(unsigned long nowtime)
{
- int retval = 0;
- int real_seconds, real_minutes, cmos_minutes;
-
- printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime);
-
- if(!have_rtc)
- return 0;
-
- cmos_minutes = CMOS_READ(RTC_MINUTES);
- cmos_minutes = bcd2bin(cmos_minutes);
-
- /*
- * since we're only adjusting minutes and seconds,
- * don't interfere with hour overflow. This avoids
- * messing with unknown time zones but requires your
- * RTC not to be off by more than 15 minutes
- */
- real_seconds = nowtime % 60;
- real_minutes = nowtime / 60;
- if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
- real_minutes += 30; /* correct for half hour time zone */
- real_minutes %= 60;
-
- if (abs(real_minutes - cmos_minutes) < 30) {
- real_seconds = bin2bcd(real_seconds);
- real_minutes = bin2bcd(real_minutes);
- CMOS_WRITE(real_seconds,RTC_SECONDS);
- CMOS_WRITE(real_minutes,RTC_MINUTES);
- } else {
- printk_once(KERN_NOTICE
- "set_rtc_mmss: can't update from %d to %d\n",
- cmos_minutes, real_minutes);
- retval = -1;
- }
-
- return retval;
+ D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime));
+ return 0;
}
/* grab the time from the RTC chip */
-
-unsigned long
-get_cmos_time(void)
+unsigned long get_cmos_time(void)
{
- unsigned int year, mon, day, hour, min, sec;
- if(!have_rtc)
- return 0;
-
- sec = CMOS_READ(RTC_SECONDS);
- min = CMOS_READ(RTC_MINUTES);
- hour = CMOS_READ(RTC_HOURS);
- day = CMOS_READ(RTC_DAY_OF_MONTH);
- mon = CMOS_READ(RTC_MONTH);
- year = CMOS_READ(RTC_YEAR);
-
- sec = bcd2bin(sec);
- min = bcd2bin(min);
- hour = bcd2bin(hour);
- day = bcd2bin(day);
- mon = bcd2bin(mon);
- year = bcd2bin(year);
-
- if ((year += 1900) < 1970)
- year += 100;
-
- return mktime(year, mon, day, hour, min, sec);
+ return 0;
}
@@ -132,7 +70,7 @@ int update_persistent_clock(struct timespec now)
void read_persistent_clock(struct timespec *ts)
{
- ts->tv_sec = get_cmos_time();
+ ts->tv_sec = 0;
ts->tv_nsec = 0;
}