rtc: rename core files

Rename core files so there is a clearer separation between the RTC core and
the RTC drivers.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

1 files changed, 0 insertions, 148 deletions

diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
deleted file mode 100644
index ef160da84220..000000000000
--- a/drivers/rtc/rtc-lib.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * rtc and date/time utility functions
- *
- * Copyright (C) 2005-06 Tower Technologies
- * Author: Alessandro Zummo <a.zummo@towertech.it>
- *
- * based on arch/arm/common/rtctime.c and other bits
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/export.h>
-#include <linux/rtc.h>
-
-static const unsigned char rtc_days_in_month[] = {
-	31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-static const unsigned short rtc_ydays[2][13] = {
-	/* Normal years */
-	{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
-	/* Leap years */
-	{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
-};
-
-#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400)
-
-/*
- * The number of days in the month.
- */
-int rtc_month_days(unsigned int month, unsigned int year)
-{
-	return rtc_days_in_month[month] + (is_leap_year(year) && month == 1);
-}
-EXPORT_SYMBOL(rtc_month_days);
-
-/*
- * The number of days since January 1. (0 to 365)
- */
-int rtc_year_days(unsigned int day, unsigned int month, unsigned int year)
-{
-	return rtc_ydays[is_leap_year(year)][month] + day-1;
-}
-EXPORT_SYMBOL(rtc_year_days);
-
-
-/*
- * rtc_time64_to_tm - Converts time64_t to rtc_time.
- * Convert seconds since 01-01-1970 00:00:00 to Gregorian date.
- */
-void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
-{
-	unsigned int month, year, secs;
-	int days;
-
-	/* time must be positive */
-	days = div_s64_rem(time, 86400, &secs);
-
-	/* day of the week, 1970-01-01 was a Thursday */
-	tm->tm_wday = (days + 4) % 7;
-
-	year = 1970 + days / 365;
-	days -= (year - 1970) * 365
-		+ LEAPS_THRU_END_OF(year - 1)
-		- LEAPS_THRU_END_OF(1970 - 1);
-	while (days < 0) {
-		year -= 1;
-		days += 365 + is_leap_year(year);
-	}
-	tm->tm_year = year - 1900;
-	tm->tm_yday = days + 1;
-
-	for (month = 0; month < 11; month++) {
-		int newdays;
-
-		newdays = days - rtc_month_days(month, year);
-		if (newdays < 0)
-			break;
-		days = newdays;
-	}
-	tm->tm_mon = month;
-	tm->tm_mday = days + 1;
-
-	tm->tm_hour = secs / 3600;
-	secs -= tm->tm_hour * 3600;
-	tm->tm_min = secs / 60;
-	tm->tm_sec = secs - tm->tm_min * 60;
-
-	tm->tm_isdst = 0;
-}
-EXPORT_SYMBOL(rtc_time64_to_tm);
-
-/*
- * Does the rtc_time represent a valid date/time?
- */
-int rtc_valid_tm(struct rtc_time *tm)
-{
-	if (tm->tm_year < 70
-		|| ((unsigned)tm->tm_mon) >= 12
-		|| tm->tm_mday < 1
-		|| tm->tm_mday > rtc_month_days(tm->tm_mon, tm->tm_year + 1900)
-		|| ((unsigned)tm->tm_hour) >= 24
-		|| ((unsigned)tm->tm_min) >= 60
-		|| ((unsigned)tm->tm_sec) >= 60)
-		return -EINVAL;
-
-	return 0;
-}
-EXPORT_SYMBOL(rtc_valid_tm);
-
-/*
- * rtc_tm_to_time64 - Converts rtc_time to time64_t.
- * Convert Gregorian date to seconds since 01-01-1970 00:00:00.
- */
-time64_t rtc_tm_to_time64(struct rtc_time *tm)
-{
-	return mktime64(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
-			tm->tm_hour, tm->tm_min, tm->tm_sec);
-}
-EXPORT_SYMBOL(rtc_tm_to_time64);
-
-/*
- * Convert rtc_time to ktime
- */
-ktime_t rtc_tm_to_ktime(struct rtc_time tm)
-{
-	return ktime_set(rtc_tm_to_time64(&tm), 0);
-}
-EXPORT_SYMBOL_GPL(rtc_tm_to_ktime);
-
-/*
- * Convert ktime to rtc_time
- */
-struct rtc_time rtc_ktime_to_tm(ktime_t kt)
-{
-	struct timespec64 ts;
-	struct rtc_time ret;
-
-	ts = ktime_to_timespec64(kt);
-	/* Round up any ns */
-	if (ts.tv_nsec)
-		ts.tv_sec++;
-	rtc_time64_to_tm(ts.tv_sec, &ret);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(rtc_ktime_to_tm);