diff options
Diffstat (limited to 'drivers/clocksource/timer-atmel-pit.c')
| -rw-r--r-- | drivers/clocksource/timer-atmel-pit.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c index c0304ff608b0..6eb7bf435d9b 100644 --- a/drivers/clocksource/timer-atmel-pit.c +++ b/drivers/clocksource/timer-atmel-pit.c @@ -90,6 +90,7 @@ static cycle_t read_pit_clk(struct clocksource *cs) return elapsed; } +static struct irqaction at91sam926x_pit_irq; /* * Clockevent device: interrupts every 1/HZ (== pit_cycles * MCK/16) */ @@ -100,6 +101,8 @@ pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) switch (mode) { case CLOCK_EVT_MODE_PERIODIC: + /* Set up irq handler */ + setup_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq); /* update clocksource counter */ data->cnt += data->cycle * PIT_PICNT(pit_read(data->base, AT91_PIT_PIVR)); pit_write(data->base, AT91_PIT_MR, @@ -113,6 +116,7 @@ pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) /* disable irq, leaving the clocksource active */ pit_write(data->base, AT91_PIT_MR, (data->cycle - 1) | AT91_PIT_PITEN); + remove_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq); break; case CLOCK_EVT_MODE_RESUME: break; |