[MIPS] Switch from to_tm to rtc_time_to_tm

This replaces the MIPS-specific to_tm function with the generic
rtc_time_to_tm function.  The big difference between the two functions is
that rtc_time_to_tm uses epoch 70 while to_tm uses 1970, so the result of
rtc_time_to_tm needs to be fixed up.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 49 deletions

diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 9bbbd9b327fc..c48ebd4b495e 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -397,52 +397,3 @@ void __init time_init(void)
 
 	init_mips_clocksource();
 }
-
-#define FEBRUARY		2
-#define STARTOFTIME		1970
-#define SECDAY			86400L
-#define SECYR			(SECDAY * 365)
-#define leapyear(y)		((!((y) % 4) && ((y) % 100)) || !((y) % 400))
-#define days_in_year(y)		(leapyear(y) ? 366 : 365)
-#define days_in_month(m)	(month_days[(m) - 1])
-
-static int month_days[12] = {
-	31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-void to_tm(unsigned long tim, struct rtc_time *tm)
-{
-	long hms, day, gday;
-	int i;
-
-	gday = day = tim / SECDAY;
-	hms = tim % SECDAY;
-
-	/* Hours, minutes, seconds are easy */
-	tm->tm_hour = hms / 3600;
-	tm->tm_min = (hms % 3600) / 60;
-	tm->tm_sec = (hms % 3600) % 60;
-
-	/* Number of years in days */
-	for (i = STARTOFTIME; day >= days_in_year(i); i++)
-		day -= days_in_year(i);
-	tm->tm_year = i;
-
-	/* Number of months in days left */
-	if (leapyear(tm->tm_year))
-		days_in_month(FEBRUARY) = 29;
-	for (i = 1; day >= days_in_month(i); i++)
-		day -= days_in_month(i);
-	days_in_month(FEBRUARY) = 28;
-	tm->tm_mon = i - 1;		/* tm_mon starts from 0 to 11 */
-
-	/* Days are what is left over (+1) from all that. */
-	tm->tm_mday = day + 1;
-
-	/*
-	 * Determine the day of week
-	 */
-	tm->tm_wday = (gday + 4) % 7;	/* 1970/1/1 was Thursday */
-}
-
-EXPORT_SYMBOL(to_tm);