Extend the local timer interrupt support for handling four local timers.
Signed-off-by: Chander Kashyap <chander.kash...@linaro.org>
---
drivers/clocksource/exynos_mct.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 662fcc0..6af17d4 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -412,6 +412,18 @@ static struct irqaction mct_tick1_event_irq = {
.handler = exynos4_mct_tick_isr,
};
+static struct irqaction mct_tick2_event_irq = {
+ .name = "mct_tick2_irq",
+ .flags = IRQF_TIMER | IRQF_NOBALANCING,
+ .handler = exynos4_mct_tick_isr,
+};
+
+static struct irqaction mct_tick3_event_irq = {
+ .name = "mct_tick3_irq",
+ .flags = IRQF_TIMER | IRQF_NOBALANCING,
+ .handler = exynos4_mct_tick_isr,
+};
+
static int __cpuinit exynos4_local_timer_setup(struct clock_event_device *evt)
{
struct mct_clock_event_device *mevt;
@@ -439,11 +451,21 @@ static int __cpuinit exynos4_local_timer_setup(struct
clock_event_device *evt)
mct_tick0_event_irq.dev_id = mevt;
evt->irq = mct_irqs[MCT_L0_IRQ];
setup_irq(evt->irq, &mct_tick0_event_irq);
- } else {
+ } else if (cpu == 1) {
mct_tick1_event_irq.dev_id = mevt;
evt->irq = mct_irqs[MCT_L1_IRQ];
setup_irq(evt->irq, &mct_tick1_event_irq);
irq_set_affinity(evt->irq, cpumask_of(1));
+ } else if (cpu == 2) {
+ mct_tick2_event_irq.dev_id = mevt;
+ evt->irq = mct_irqs[MCT_L2_IRQ];
+ setup_irq(evt->irq, &mct_tick2_event_irq);
+ irq_set_affinity(evt->irq, cpumask_of(2));
+ } else if (cpu == 3) {
+ mct_tick3_event_irq.dev_id = mevt;
+ evt->irq = mct_irqs[MCT_L3_IRQ];
+ setup_irq(evt->irq, &mct_tick3_event_irq);
+ irq_set_affinity(evt->irq, cpumask_of(3));
}
} else {
enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
@@ -456,11 +478,16 @@ static void exynos4_local_timer_stop(struct
clock_event_device *evt)
{
unsigned int cpu = smp_processor_id();
evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
- if (mct_int_type == MCT_INT_SPI)
+ if (mct_int_type == MCT_INT_SPI) {
if (cpu == 0)
remove_irq(evt->irq, &mct_tick0_event_irq);
- else
+ else if (cpu == 1)
remove_irq(evt->irq, &mct_tick1_event_irq);
+ else if (cpu == 2)
+ remove_irq(evt->irq, &mct_tick2_event_irq);
+ else if (cpu == 3)
+ remove_irq(evt->irq, &mct_tick3_event_irq);
+ }
else
disable_percpu_irq(mct_irqs[MCT_L0_IRQ]);
}
--
1.7.9.5
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