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authorIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-14 16:05:18 +0200
commitc7d77a7980e434c3af17de19e3348157f9b9ccce (patch)
treeb32c5988ce8239b80c83e94c22d68f5eb0fb84da /drivers/clocksource/timer-integrator-ap.c
parent0ce423b6492a02be11662bfaa837dd16945aad3e (diff)
parent8a53554e12e98d1759205afd7b8e9e2ea0936f48 (diff)
Merge branch 'x86/urgent' into core/efi, to pick up a pending EFI fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 = {