Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Rather large, but nothing exiting:

   - new range check for settimeofday() to prevent that boot time
     becomes negative.
   - fix for file time rounding
   - a few simplifications of the hrtimer code
   - fix for the proc/timerlist code so the output of clock realtime
     timers is accurate
   - more y2038 work
   - tree wide conversion of clockevent drivers to the new callbacks"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (88 commits)
  hrtimer: Handle failure of tick_init_highres() gracefully
  hrtimer: Unconfuse switch_hrtimer_base() a bit
  hrtimer: Simplify get_target_base() by returning current base
  hrtimer: Drop return code of hrtimer_switch_to_hres()
  time: Introduce timespec64_to_jiffies()/jiffies_to_timespec64()
  time: Introduce current_kernel_time64()
  time: Introduce struct itimerspec64
  time: Add the common weak version of update_persistent_clock()
  time: Always make sure wall_to_monotonic isn't positive
  time: Fix nanosecond file time rounding in timespec_trunc()
  timer_list: Add the base offset so remaining nsecs are accurate for non monotonic timers
  cris/time: Migrate to new 'set-state' interface
  kernel: broadcast-hrtimer: Migrate to new 'set-state' interface
  xtensa/time: Migrate to new 'set-state' interface
  unicore/time: Migrate to new 'set-state' interface
  um/time: Migrate to new 'set-state' interface
  sparc/time: Migrate to new 'set-state' interface
  sh/localtimer: Migrate to new 'set-state' interface
  score/time: Migrate to new 'set-state' interface
  s390/time: Migrate to new 'set-state' interface
  ...

1 files changed, 32 insertions, 27 deletions

diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c
index 5ea91e3818d0..9be6018bd2b8 100644
--- a/drivers/clocksource/cadence_ttc_timer.c
+++ b/drivers/clocksource/cadence_ttc_timer.c
@@ -190,40 +190,42 @@ static int ttc_set_next_event(unsigned long cycles,
 }
 
 /**
- * ttc_set_mode - Sets the mode of timer
+ * ttc_set_{shutdown|oneshot|periodic} - Sets the state of timer
  *
- * @mode:	Mode to be set
  * @evt:	Address of clock event instance
  **/
-static void ttc_set_mode(enum clock_event_mode mode,
-					struct clock_event_device *evt)
+static int ttc_shutdown(struct clock_event_device *evt)
 {
 	struct ttc_timer_clockevent *ttce = to_ttc_timer_clkevent(evt);
 	struct ttc_timer *timer = &ttce->ttc;
 	u32 ctrl_reg;
 
-	switch (mode) {
-	case CLOCK_EVT_MODE_PERIODIC:
-		ttc_set_interval(timer, DIV_ROUND_CLOSEST(ttce->ttc.freq,
-						PRESCALE * HZ));
-		break;
-	case CLOCK_EVT_MODE_ONESHOT:
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_SHUTDOWN:
-		ctrl_reg = readl_relaxed(timer->base_addr +
-					TTC_CNT_CNTRL_OFFSET);
-		ctrl_reg |= TTC_CNT_CNTRL_DISABLE_MASK;
-		writel_relaxed(ctrl_reg,
-				timer->base_addr + TTC_CNT_CNTRL_OFFSET);
-		break;
-	case CLOCK_EVT_MODE_RESUME:
-		ctrl_reg = readl_relaxed(timer->base_addr +
-					TTC_CNT_CNTRL_OFFSET);
-		ctrl_reg &= ~TTC_CNT_CNTRL_DISABLE_MASK;
-		writel_relaxed(ctrl_reg,
-				timer->base_addr + TTC_CNT_CNTRL_OFFSET);
-		break;
-	}
+	ctrl_reg = readl_relaxed(timer->base_addr + TTC_CNT_CNTRL_OFFSET);
+	ctrl_reg |= TTC_CNT_CNTRL_DISABLE_MASK;
+	writel_relaxed(ctrl_reg, timer->base_addr + TTC_CNT_CNTRL_OFFSET);
+	return 0;
+}
+
+static int ttc_set_periodic(struct clock_event_device *evt)
+{
+	struct ttc_timer_clockevent *ttce = to_ttc_timer_clkevent(evt);
+	struct ttc_timer *timer = &ttce->ttc;
+
+	ttc_set_interval(timer,
+			 DIV_ROUND_CLOSEST(ttce->ttc.freq, PRESCALE * HZ));
+	return 0;
+}
+
+static int ttc_resume(struct clock_event_device *evt)
+{
+	struct ttc_timer_clockevent *ttce = to_ttc_timer_clkevent(evt);
+	struct ttc_timer *timer = &ttce->ttc;
+	u32 ctrl_reg;
+
+	ctrl_reg = readl_relaxed(timer->base_addr + TTC_CNT_CNTRL_OFFSET);
+	ctrl_reg &= ~TTC_CNT_CNTRL_DISABLE_MASK;
+	writel_relaxed(ctrl_reg, timer->base_addr + TTC_CNT_CNTRL_OFFSET);
+	return 0;
 }
 
 static int ttc_rate_change_clocksource_cb(struct notifier_block *nb,
@@ -429,7 +431,10 @@ static void __init ttc_setup_clockevent(struct clk *clk,
 	ttcce->ce.name = "ttc_clockevent";
 	ttcce->ce.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
 	ttcce->ce.set_next_event = ttc_set_next_event;
-	ttcce->ce.set_mode = ttc_set_mode;
+	ttcce->ce.set_state_shutdown = ttc_shutdown;
+	ttcce->ce.set_state_periodic = ttc_set_periodic;
+	ttcce->ce.set_state_oneshot = ttc_shutdown;
+	ttcce->ce.tick_resume = ttc_resume;
 	ttcce->ce.rating = 200;
 	ttcce->ce.irq = irq;
 	ttcce->ce.cpumask = cpu_possible_mask;