--- zzzz-none-000/linux-3.10.107/arch/arm/mach-davinci/time.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-davinci/time.c	2021-02-04 17:41:59.000000000 +0000
@@ -18,8 +18,8 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
+#include <linux/sched_clock.h>
 
-#include <asm/sched_clock.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
@@ -181,7 +181,7 @@
 		.name      = "clockevent",
 		.opts      = TIMER_OPTS_DISABLED,
 		.irqaction = {
-			.flags   = IRQF_DISABLED | IRQF_TIMER,
+			.flags   = IRQF_TIMER,
 			.handler = timer_interrupt,
 		}
 	},
@@ -190,7 +190,7 @@
 		.period     = ~0,
 		.opts       = TIMER_OPTS_PERIODIC,
 		.irqaction = {
-			.flags   = IRQF_DISABLED | IRQF_TIMER,
+			.flags   = IRQF_TIMER,
 			.handler = freerun_interrupt,
 		}
 	},
@@ -285,7 +285,7 @@
 /*
  * Overwrite weak default sched_clock with something more precise
  */
-static u32 notrace davinci_read_sched_clock(void)
+static u64 notrace davinci_read_sched_clock(void)
 {
 	return timer32_read(&timers[TID_CLOCKSOURCE]);
 }
@@ -303,37 +303,42 @@
 	return 0;
 }
 
-static void davinci_set_mode(enum clock_event_mode mode,
-			     struct clock_event_device *evt)
+static int davinci_shutdown(struct clock_event_device *evt)
 {
 	struct timer_s *t = &timers[TID_CLOCKEVENT];
 
-	switch (mode) {
-	case CLOCK_EVT_MODE_PERIODIC:
-		t->period = davinci_clock_tick_rate / (HZ);
-		t->opts &= ~TIMER_OPTS_STATE_MASK;
-		t->opts |= TIMER_OPTS_PERIODIC;
-		timer32_config(t);
-		break;
-	case CLOCK_EVT_MODE_ONESHOT:
-		t->opts &= ~TIMER_OPTS_STATE_MASK;
-		t->opts |= TIMER_OPTS_ONESHOT;
-		break;
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_SHUTDOWN:
-		t->opts &= ~TIMER_OPTS_STATE_MASK;
-		t->opts |= TIMER_OPTS_DISABLED;
-		break;
-	case CLOCK_EVT_MODE_RESUME:
-		break;
-	}
+	t->opts &= ~TIMER_OPTS_STATE_MASK;
+	t->opts |= TIMER_OPTS_DISABLED;
+	return 0;
+}
+
+static int davinci_set_oneshot(struct clock_event_device *evt)
+{
+	struct timer_s *t = &timers[TID_CLOCKEVENT];
+
+	t->opts &= ~TIMER_OPTS_STATE_MASK;
+	t->opts |= TIMER_OPTS_ONESHOT;
+	return 0;
+}
+
+static int davinci_set_periodic(struct clock_event_device *evt)
+{
+	struct timer_s *t = &timers[TID_CLOCKEVENT];
+
+	t->period = davinci_clock_tick_rate / (HZ);
+	t->opts &= ~TIMER_OPTS_STATE_MASK;
+	t->opts |= TIMER_OPTS_PERIODIC;
+	timer32_config(t);
+	return 0;
 }
 
 static struct clock_event_device clockevent_davinci = {
-	.features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-	.shift		= 32,
-	.set_next_event	= davinci_set_next_event,
-	.set_mode	= davinci_set_mode,
+	.features		= CLOCK_EVT_FEAT_PERIODIC |
+				  CLOCK_EVT_FEAT_ONESHOT,
+	.set_next_event		= davinci_set_next_event,
+	.set_state_shutdown	= davinci_shutdown,
+	.set_state_periodic	= davinci_set_periodic,
+	.set_state_oneshot	= davinci_set_oneshot,
 };
 
 
@@ -343,8 +348,6 @@
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
 	unsigned int clockevent_id;
 	unsigned int clocksource_id;
-	static char err[] __initdata = KERN_ERR
-		"%s: can't register clocksource!\n";
 	int i;
 
 	clockevent_id = soc_info->timer_info->clockevent_id;
@@ -365,12 +368,12 @@
 
 		/* Only bottom timers can use compare regs */
 		if (IS_TIMER_TOP(clockevent_id))
-			pr_warning("davinci_timer_init: Invalid use"
-				" of system timers.  Results unpredictable.\n");
+			pr_warn("%s: Invalid use of system timers.  Results unpredictable.\n",
+				__func__);
 		else if ((dtip[event_timer].cmp_off == 0)
 				|| (dtip[event_timer].cmp_irq == 0))
-			pr_warning("davinci_timer_init:  Invalid timer instance"
-				" setup.  Results unpredictable.\n");
+			pr_warn("%s: Invalid timer instance setup.  Results unpredictable.\n",
+				__func__);
 		else {
 			timers[TID_CLOCKEVENT].opts |= TIMER_OPTS_USE_COMPARE;
 			clockevent_davinci.features = CLOCK_EVT_FEAT_ONESHOT;
@@ -390,21 +393,18 @@
 	clocksource_davinci.name = id_to_name[clocksource_id];
 	if (clocksource_register_hz(&clocksource_davinci,
 				    davinci_clock_tick_rate))
-		printk(err, clocksource_davinci.name);
+		pr_err("%s: can't register clocksource!\n",
+		       clocksource_davinci.name);
 
-	setup_sched_clock(davinci_read_sched_clock, 32,
+	sched_clock_register(davinci_read_sched_clock, 32,
 			  davinci_clock_tick_rate);
 
 	/* setup clockevent */
 	clockevent_davinci.name = id_to_name[timers[TID_CLOCKEVENT].id];
-	clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC,
-					 clockevent_davinci.shift);
-	clockevent_davinci.max_delta_ns =
-		clockevent_delta2ns(0xfffffffe, &clockevent_davinci);
-	clockevent_davinci.min_delta_ns = 50000; /* 50 usec */
 
 	clockevent_davinci.cpumask = cpumask_of(0);
-	clockevents_register_device(&clockevent_davinci);
+	clockevents_config_and_register(&clockevent_davinci,
+					davinci_clock_tick_rate, 1, 0xfffffffe);
 
 	for (i=0; i< ARRAY_SIZE(timers); i++)
 		timer32_config(&timers[i]);