summaryrefslogtreecommitdiff
path: root/drivers/clocksource/timer-integrator-ap.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2015-10-12 20:09:27 +0300
committerMark Brown <broonie@kernel.org>2015-10-12 20:09:27 +0300
commit79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch)
tree5e0fa7156acb75ba603022bc807df8f2fedb97a8 /drivers/clocksource/timer-integrator-ap.c
parent721b51fcf91898299d96f4b72cb9434cda29dce6 (diff)
parent8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff)
downloadlinux-79828b4fa835f73cdaf4bffa48696abdcbea9d02.tar.xz
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'drivers/clocksource/timer-integrator-ap.c')
-rw-r--r--drivers/clocksource/timer-integrator-ap.c58
1 files changed, 33 insertions, 25 deletions
diff --git a/drivers/clocksource/timer-integrator-ap.c b/drivers/clocksource/timer-integrator-ap.c
index a68866e0ecd4..3f59ac2180dc 100644
--- a/drivers/clocksource/timer-integrator-ap.c
+++ b/drivers/clocksource/timer-integrator-ap.c
@@ -75,33 +75,37 @@ static irqreturn_t integrator_timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void clkevt_set_mode(enum clock_event_mode mode, struct clock_event_device *evt)
+static int clkevt_shutdown(struct clock_event_device *evt)
{
u32 ctrl = readl(clkevt_base + TIMER_CTRL) & ~TIMER_CTRL_ENABLE;
/* Disable timer */
writel(ctrl, clkevt_base + TIMER_CTRL);
+ return 0;
+}
- 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;
+}
+static int clkevt_set_periodic(struct clock_event_device *evt)
+{
+ u32 ctrl = readl(clkevt_base + TIMER_CTRL) & ~TIMER_CTRL_ENABLE;
+
+ /* Disable timer */
+ writel(ctrl, clkevt_base + TIMER_CTRL);
+
+ /* 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);
+ return 0;
}
static int clkevt_set_next_event(unsigned long next, struct clock_event_device *evt)
@@ -116,11 +120,15 @@ static int clkevt_set_next_event(unsigned long next, struct clock_event_device *
}
static struct clock_event_device integrator_clockevent = {
- .name = "timer1",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_mode = clkevt_set_mode,
- .set_next_event = clkevt_set_next_event,
- .rating = 300,
+ .name = "timer1",
+ .features = CLOCK_EVT_FEAT_PERIODIC |
+ CLOCK_EVT_FEAT_ONESHOT,
+ .set_state_shutdown = clkevt_shutdown,
+ .set_state_periodic = clkevt_set_periodic,
+ .set_state_oneshot = clkevt_set_oneshot,
+ .tick_resume = clkevt_shutdown,
+ .set_next_event = clkevt_set_next_event,
+ .rating = 300,
};
static struct irqaction integrator_timer_irq = {