diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam926x_time.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam926x_time.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 0f04ffe9c5a8..a32dc6914fda 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -78,7 +78,7 @@ static struct clocksource pit_clk = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; - +static struct irqaction at91sam926x_pit_irq; /* * Clockevent device: interrupts every 1/HZ (== pit_cycles * MCK/16) */ @@ -87,6 +87,8 @@ 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 */ pit_cnt += pit_cycle * PIT_PICNT(pit_read(AT91_PIT_PIVR)); pit_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN @@ -99,6 +101,7 @@ pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) case CLOCK_EVT_MODE_UNUSED: /* disable irq, leaving the clocksource active */ pit_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); + remove_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq); break; case CLOCK_EVT_MODE_RESUME: break; |