diff options
Diffstat (limited to 'arch/mips/loongson32/common')
| -rw-r--r-- | arch/mips/loongson32/common/time.c | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/arch/mips/loongson32/common/time.c b/arch/mips/loongson32/common/time.c index df0f850d6..0996b025e 100644 --- a/arch/mips/loongson32/common/time.c +++ b/arch/mips/loongson32/common/time.c @@ -126,26 +126,34 @@ static irqreturn_t ls1x_clockevent_isr(int irq, void *devid) return IRQ_HANDLED; } -static void ls1x_clockevent_set_mode(enum clock_event_mode mode, - struct clock_event_device *cd) +static int ls1x_clockevent_set_state_periodic(struct clock_event_device *cd) { raw_spin_lock(&ls1x_timer_lock); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - ls1x_pwmtimer_set_period(ls1x_jiffies_per_tick); - ls1x_pwmtimer_restart(); - case CLOCK_EVT_MODE_RESUME: - __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL); - break; - case CLOCK_EVT_MODE_ONESHOT: - case CLOCK_EVT_MODE_SHUTDOWN: - __raw_writel(__raw_readl(timer_base + PWM_CTRL) & ~CNT_EN, - timer_base + PWM_CTRL); - break; - default: - break; - } + ls1x_pwmtimer_set_period(ls1x_jiffies_per_tick); + ls1x_pwmtimer_restart(); + __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL); raw_spin_unlock(&ls1x_timer_lock); + + return 0; +} + +static int ls1x_clockevent_tick_resume(struct clock_event_device *cd) +{ + raw_spin_lock(&ls1x_timer_lock); + __raw_writel(INT_EN | CNT_EN, timer_base + PWM_CTRL); + raw_spin_unlock(&ls1x_timer_lock); + + return 0; +} + +static int ls1x_clockevent_set_state_shutdown(struct clock_event_device *cd) +{ + raw_spin_lock(&ls1x_timer_lock); + __raw_writel(__raw_readl(timer_base + PWM_CTRL) & ~CNT_EN, + timer_base + PWM_CTRL); + raw_spin_unlock(&ls1x_timer_lock); + + return 0; } static int ls1x_clockevent_set_next(unsigned long evt, @@ -160,12 +168,15 @@ static int ls1x_clockevent_set_next(unsigned long evt, } static struct clock_event_device ls1x_clockevent = { - .name = "ls1x-pwmtimer", - .features = CLOCK_EVT_FEAT_PERIODIC, - .rating = 300, - .irq = LS1X_TIMER_IRQ, - .set_next_event = ls1x_clockevent_set_next, - .set_mode = ls1x_clockevent_set_mode, + .name = "ls1x-pwmtimer", + .features = CLOCK_EVT_FEAT_PERIODIC, + .rating = 300, + .irq = LS1X_TIMER_IRQ, + .set_next_event = ls1x_clockevent_set_next, + .set_state_shutdown = ls1x_clockevent_set_state_shutdown, + .set_state_periodic = ls1x_clockevent_set_state_periodic, + .set_state_oneshot = ls1x_clockevent_set_state_shutdown, + .tick_resume = ls1x_clockevent_tick_resume, }; static struct irqaction ls1x_pwmtimer_irqaction = { |