Disabling execution of 'cpu' and 'io' stress test cases.
[kvmfornfv.git] / kernel / drivers / clocksource / sun4i_timer.c
index 1928a89..e84877a 100644 (file)
@@ -81,25 +81,25 @@ static void sun4i_clkevt_time_start(u8 timer, bool periodic)
               timer_base + TIMER_CTL_REG(timer));
 }
 
-static void sun4i_clkevt_mode(enum clock_event_mode mode,
-                             struct clock_event_device *clk)
+static int sun4i_clkevt_shutdown(struct clock_event_device *evt)
 {
-       switch (mode) {
-       case CLOCK_EVT_MODE_PERIODIC:
-               sun4i_clkevt_time_stop(0);
-               sun4i_clkevt_time_setup(0, ticks_per_jiffy);
-               sun4i_clkevt_time_start(0, true);
-               break;
-       case CLOCK_EVT_MODE_ONESHOT:
-               sun4i_clkevt_time_stop(0);
-               sun4i_clkevt_time_start(0, false);
-               break;
-       case CLOCK_EVT_MODE_UNUSED:
-       case CLOCK_EVT_MODE_SHUTDOWN:
-       default:
-               sun4i_clkevt_time_stop(0);
-               break;
-       }
+       sun4i_clkevt_time_stop(0);
+       return 0;
+}
+
+static int sun4i_clkevt_set_oneshot(struct clock_event_device *evt)
+{
+       sun4i_clkevt_time_stop(0);
+       sun4i_clkevt_time_start(0, false);
+       return 0;
+}
+
+static int sun4i_clkevt_set_periodic(struct clock_event_device *evt)
+{
+       sun4i_clkevt_time_stop(0);
+       sun4i_clkevt_time_setup(0, ticks_per_jiffy);
+       sun4i_clkevt_time_start(0, true);
+       return 0;
 }
 
 static int sun4i_clkevt_next_event(unsigned long evt,
@@ -116,16 +116,23 @@ static struct clock_event_device sun4i_clockevent = {
        .name = "sun4i_tick",
        .rating = 350,
        .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-       .set_mode = sun4i_clkevt_mode,
+       .set_state_shutdown = sun4i_clkevt_shutdown,
+       .set_state_periodic = sun4i_clkevt_set_periodic,
+       .set_state_oneshot = sun4i_clkevt_set_oneshot,
+       .tick_resume = sun4i_clkevt_shutdown,
        .set_next_event = sun4i_clkevt_next_event,
 };
 
+static void sun4i_timer_clear_interrupt(void)
+{
+       writel(TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_ST_REG);
+}
 
 static irqreturn_t sun4i_timer_interrupt(int irq, void *dev_id)
 {
        struct clock_event_device *evt = (struct clock_event_device *)dev_id;
 
-       writel(0x1, timer_base + TIMER_IRQ_ST_REG);
+       sun4i_timer_clear_interrupt();
        evt->event_handler(evt);
 
        return IRQ_HANDLED;
@@ -190,6 +197,9 @@ static void __init sun4i_timer_init(struct device_node *node)
        /* Make sure timer is stopped before playing with interrupts */
        sun4i_clkevt_time_stop(0);
 
+       /* clear timer0 interrupt */
+       sun4i_timer_clear_interrupt();
+
        sun4i_clockevent.cpumask = cpu_possible_mask;
        sun4i_clockevent.irq = irq;