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clocksource/drivers/timer-milbeaut: Add shutdown function 

Add a shutdown operation to support shutdown timer.

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
hifive-unleashed-5.2
Sugaya Taichi 2019-04-12 16:36:50 +09:00 committed by Daniel Lezcano
parent f0b1ca623d
commit 95d5dc7126
1 changed files with 10 additions and 0 deletions
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10
drivers/clocksource/timer-milbeaut.c
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@ -85,6 +85,15 @@ static int mlb_set_state_oneshot(struct clock_event_device *clk)
return 0;
}
static int mlb_set_state_shutdown(struct clock_event_device *clk)
{
struct timer_of *to = to_timer_of(clk);
u32 val = MLB_TMR_TMCSR_CSL_DIV2;
writel_relaxed(val, timer_of_base(to) + MLB_TMR_EVT_TMCSR_OFS);
return 0;
}
static int mlb_clkevt_next_event(unsigned long event,
struct clock_event_device *clk)
{
@ -125,6 +134,7 @@ static struct timer_of to = {
.features = CLOCK_EVT_FEAT_DYNIRQ | CLOCK_EVT_FEAT_ONESHOT,
.set_state_oneshot = mlb_set_state_oneshot,
.set_state_periodic = mlb_set_state_periodic,
.set_state_shutdown = mlb_set_state_shutdown,
.set_next_event = mlb_clkevt_next_event,
},