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Diffstat (limited to 'arch/loongarch/kernel/time.c')
-rw-r--r--arch/loongarch/kernel/time.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/arch/loongarch/kernel/time.c b/arch/loongarch/kernel/time.c
index 3064af94db9c..e7015f7b70e3 100644
--- a/arch/loongarch/kernel/time.c
+++ b/arch/loongarch/kernel/time.c
@@ -58,14 +58,16 @@ static int constant_set_state_oneshot(struct clock_event_device *evt)
return 0;
}
-static int constant_set_state_oneshot_stopped(struct clock_event_device *evt)
+static int constant_set_state_periodic(struct clock_event_device *evt)
{
+ unsigned long period;
unsigned long timer_config;
raw_spin_lock(&state_lock);
- timer_config = csr_read64(LOONGARCH_CSR_TCFG);
- timer_config &= ~CSR_TCFG_EN;
+ period = const_clock_freq / HZ;
+ timer_config = period & CSR_TCFG_VAL;
+ timer_config |= (CSR_TCFG_PERIOD | CSR_TCFG_EN);
csr_write64(timer_config, LOONGARCH_CSR_TCFG);
raw_spin_unlock(&state_lock);
@@ -73,16 +75,14 @@ static int constant_set_state_oneshot_stopped(struct clock_event_device *evt)
return 0;
}
-static int constant_set_state_periodic(struct clock_event_device *evt)
+static int constant_set_state_shutdown(struct clock_event_device *evt)
{
- unsigned long period;
unsigned long timer_config;
raw_spin_lock(&state_lock);
- period = const_clock_freq / HZ;
- timer_config = period & CSR_TCFG_VAL;
- timer_config |= (CSR_TCFG_PERIOD | CSR_TCFG_EN);
+ timer_config = csr_read64(LOONGARCH_CSR_TCFG);
+ timer_config &= ~CSR_TCFG_EN;
csr_write64(timer_config, LOONGARCH_CSR_TCFG);
raw_spin_unlock(&state_lock);
@@ -90,11 +90,6 @@ static int constant_set_state_periodic(struct clock_event_device *evt)
return 0;
}
-static int constant_set_state_shutdown(struct clock_event_device *evt)
-{
- return 0;
-}
-
static int constant_timer_next_event(unsigned long delta, struct clock_event_device *evt)
{
unsigned long timer_config;
@@ -161,7 +156,7 @@ int constant_clockevent_init(void)
cd->rating = 320;
cd->cpumask = cpumask_of(cpu);
cd->set_state_oneshot = constant_set_state_oneshot;
- cd->set_state_oneshot_stopped = constant_set_state_oneshot_stopped;
+ cd->set_state_oneshot_stopped = constant_set_state_shutdown;
cd->set_state_periodic = constant_set_state_periodic;
cd->set_state_shutdown = constant_set_state_shutdown;
cd->set_next_event = constant_timer_next_event;