clockevents/drivers/moxart: Migrate to new 'set-state' interface

Migrate moxart driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Cc: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 26 insertions, 23 deletions

diff --git a/drivers/clocksource/moxart_timer.c b/drivers/clocksource/moxart_timer.c
index 5eb2c35932b1..19857af651c1 100644
--- a/drivers/clocksource/moxart_timer.c
+++ b/drivers/clocksource/moxart_timer.c
@@ -58,25 +58,24 @@
 static void __iomem *base;
 static unsigned int clock_count_per_tick;
 
-static void moxart_clkevt_mode(enum clock_event_mode mode,
-                               struct clock_event_device *clk)
+static int moxart_shutdown(struct clock_event_device *evt)
 {
-        switch (mode) {
-        case CLOCK_EVT_MODE_RESUME:
-        case CLOCK_EVT_MODE_ONESHOT:
-                writel(TIMER1_DISABLE, base + TIMER_CR);
-                writel(~0, base + TIMER1_BASE + REG_LOAD);
-                break;
-        case CLOCK_EVT_MODE_PERIODIC:
-                writel(clock_count_per_tick, base + TIMER1_BASE + REG_LOAD);
-                writel(TIMER1_ENABLE, base + TIMER_CR);
-                break;
-        case CLOCK_EVT_MODE_UNUSED:
-        case CLOCK_EVT_MODE_SHUTDOWN:
-        default:
-                writel(TIMER1_DISABLE, base + TIMER_CR);
-                break;
-        }
+        writel(TIMER1_DISABLE, base + TIMER_CR);
+        return 0;
+}
+
+static int moxart_set_oneshot(struct clock_event_device *evt)
+{
+        writel(TIMER1_DISABLE, base + TIMER_CR);
+        writel(~0, base + TIMER1_BASE + REG_LOAD);
+        return 0;
+}
+
+static int moxart_set_periodic(struct clock_event_device *evt)
+{
+        writel(clock_count_per_tick, base + TIMER1_BASE + REG_LOAD);
+        writel(TIMER1_ENABLE, base + TIMER_CR);
+        return 0;
 }
 
 static int moxart_clkevt_next_event(unsigned long cycles,
@@ -95,11 +94,15 @@ static int moxart_clkevt_next_event(unsigned long cycles,
 }
 
 static struct clock_event_device moxart_clockevent = {
-        .name           = "moxart_timer",
-        .rating         = 200,
-        .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-        .set_mode       = moxart_clkevt_mode,
-        .set_next_event = moxart_clkevt_next_event,
+        .name                   = "moxart_timer",
+        .rating                 = 200,
+        .features               = CLOCK_EVT_FEAT_PERIODIC |
+                                  CLOCK_EVT_FEAT_ONESHOT,
+        .set_state_shutdown     = moxart_shutdown,
+        .set_state_periodic     = moxart_set_periodic,
+        .set_state_oneshot      = moxart_set_oneshot,
+        .tick_resume            = moxart_set_oneshot,
+        .set_next_event         = moxart_clkevt_next_event,
 };
 
 static irqreturn_t moxart_timer_interrupt(int irq, void *dev_id)