- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- /* Enable the timer and start the periodic tick */
- writel(timer_reload, clkevt_base + TIMER_LOAD);
- ctrl |= TIMER_CTRL_PERIODIC | TIMER_CTRL_ENABLE;
- writel(ctrl, clkevt_base + TIMER_CTRL);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- /* Leave the timer disabled, .set_next_event will enable it */
- ctrl &= ~TIMER_CTRL_PERIODIC;
- writel(ctrl, clkevt_base + TIMER_CTRL);
- break;
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_RESUME:
- default:
- /* Just leave in disabled state */
- break;
- }
+static int clkevt_set_oneshot(struct clock_event_device *evt)
+{
+ u32 ctrl = readl(clkevt_base + TIMER_CTRL) &
+ ~(TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC);
+
+ /* Leave the timer disabled, .set_next_event will enable it */
+ writel(ctrl, clkevt_base + TIMER_CTRL);
+ return 0;
+}