1 files changed, 29 insertions, 26 deletions

diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 87160b4415fb..acd4c2da562b 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/arch/m68k/kernel/time.c
  *
@@ -34,18 +35,9 @@
 unsigned long (*mach_random_get_entropy)(void);
 EXPORT_SYMBOL_GPL(mach_random_get_entropy);
 
-
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "xtime_update()" routine every clocktick
- */
-static irqreturn_t timer_interrupt(int irq, void *dummy)
-{
-	xtime_update(1);
-	update_process_times(user_mode(get_irq_regs()));
-	profile_tick(CPU_PROFILING);
-
 #ifdef CONFIG_HEARTBEAT
+void timer_heartbeat(void)
+{
 	/* use power LED as a heartbeat instead -- much more useful
 	   for debugging -- based on the version for PReP by Cort */
 	/* acts like an actual heart beat -- ie thump-thump-pause... */
@@ -67,31 +59,42 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
 		dist = period / 4;
 	    }
 	}
-#endif /* CONFIG_HEARTBEAT */
-	return IRQ_HANDLED;
 }
+#endif /* CONFIG_HEARTBEAT */
 
-void read_persistent_clock(struct timespec *ts)
+#if defined(CONFIG_M68KCLASSIC) || defined(CONFIG_SUN3)
+/* machine dependent timer functions */
+int (*mach_hwclk) (int, struct rtc_time*);
+EXPORT_SYMBOL(mach_hwclk);
+
+int (*mach_get_rtc_pll)(struct rtc_pll_info *);
+int (*mach_set_rtc_pll)(struct rtc_pll_info *);
+EXPORT_SYMBOL(mach_get_rtc_pll);
+EXPORT_SYMBOL(mach_set_rtc_pll);
+
+#if !IS_BUILTIN(CONFIG_RTC_DRV_GENERIC)
+void read_persistent_clock64(struct timespec64 *ts)
 {
 	struct rtc_time time;
+
 	ts->tv_sec = 0;
 	ts->tv_nsec = 0;
 
-	if (mach_hwclk) {
-		mach_hwclk(0, &time);
+	if (!mach_hwclk)
+		return;
+
+	mach_hwclk(0, &time);
 
-		if ((time.tm_year += 1900) < 1970)
-			time.tm_year += 100;
-		ts->tv_sec = mktime(time.tm_year, time.tm_mon, time.tm_mday,
-				      time.tm_hour, time.tm_min, time.tm_sec);
-	}
+	ts->tv_sec = mktime64(time.tm_year + 1900, time.tm_mon + 1, time.tm_mday,
+			      time.tm_hour, time.tm_min, time.tm_sec);
 }
+#endif
 
-#if defined(CONFIG_ARCH_USES_GETTIMEOFFSET) && IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+#if IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
 static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
 {
 	mach_hwclk(0, tm);
-	return rtc_valid_tm(tm);
+	return 0;
 }
 
 static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
@@ -145,10 +148,10 @@ static int __init rtc_init(void)
 }
 
 module_init(rtc_init);
-
-#endif /* CONFIG_ARCH_USES_GETTIMEOFFSET */
+#endif /* CONFIG_RTC_DRV_GENERIC */
+#endif /* CONFIG_M68KCLASSIC || SUN3 */
 
 void __init time_init(void)
 {
-	mach_sched_init(timer_interrupt);
+	mach_sched_init();
 }