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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
commit6f01eb5bf8e8110ab5f3a8e7b0f3abf19a205e4b (patch)
tree4b3147335ed97e4b487fd84bcb7a959a38d9656e /drivers/clocksource/exynos_mct.c
parent8f234193b8cc35c44614e4a4b05f2d920ff562e4 (diff)
parent6b50202a4d53bf527c640467bcff68b50a5e38a2 (diff)
Merge tag 'v4.4.177' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b6.183-20190331
This is the 4.4.177 stable release
Diffstat (limited to 'drivers/clocksource/exynos_mct.c')
-rw-r--r--drivers/clocksource/exynos_mct.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 47f8aafe3344..d65a6036d610 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -379,6 +379,13 @@ static void exynos4_mct_tick_start(unsigned long cycles,
exynos4_mct_write(tmp, mevt->base + MCT_L_TCON_OFFSET);
}
+static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
+{
+ /* Clear the MCT tick interrupt */
+ if (readl_relaxed(reg_base + mevt->base + MCT_L_INT_CSTAT_OFFSET) & 1)
+ exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
+}
+
static int exynos4_tick_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
@@ -395,6 +402,7 @@ static int set_state_shutdown(struct clock_event_device *evt)
mevt = container_of(evt, struct mct_clock_event_device, evt);
exynos4_mct_tick_stop(mevt);
+ exynos4_mct_tick_clear(mevt);
return 0;
}
@@ -411,8 +419,11 @@ static int set_state_periodic(struct clock_event_device *evt)
return 0;
}
-static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
+static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
{
+ struct mct_clock_event_device *mevt = dev_id;
+ struct clock_event_device *evt = &mevt->evt;
+
/*
* This is for supporting oneshot mode.
* Mct would generate interrupt periodically
@@ -421,16 +432,6 @@ static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
if (!clockevent_state_periodic(&mevt->evt))
exynos4_mct_tick_stop(mevt);
- /* Clear the MCT tick interrupt */
- if (readl_relaxed(reg_base + mevt->base + MCT_L_INT_CSTAT_OFFSET) & 1)
- exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
-}
-
-static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
-{
- struct mct_clock_event_device *mevt = dev_id;
- struct clock_event_device *evt = &mevt->evt;
-
exynos4_mct_tick_clear(mevt);
evt->event_handler(evt);