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path: root/drivers/clocksource/timer-cadence-ttc.c
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Diffstat (limited to 'drivers/clocksource/timer-cadence-ttc.c')
-rw-r--r--drivers/clocksource/timer-cadence-ttc.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/clocksource/timer-cadence-ttc.c b/drivers/clocksource/timer-cadence-ttc.c
index 32daaac9b132..ca7a06489c40 100644
--- a/drivers/clocksource/timer-cadence-ttc.c
+++ b/drivers/clocksource/timer-cadence-ttc.c
@@ -69,7 +69,7 @@
* @base_addr: Base address of timer
* @freq: Timer input clock frequency
* @clk: Associated clock source
- * @clk_rate_change_nb Notifier block for clock rate changes
+ * @clk_rate_change_nb: Notifier block for clock rate changes
*/
struct ttc_timer {
void __iomem *base_addr;
@@ -134,7 +134,7 @@ static void ttc_set_interval(struct ttc_timer *timer,
* @irq: IRQ number of the Timer
* @dev_id: void pointer to the ttc_timer instance
*
- * returns: Always IRQ_HANDLED - success
+ * Returns: Always IRQ_HANDLED - success
**/
static irqreturn_t ttc_clock_event_interrupt(int irq, void *dev_id)
{
@@ -151,8 +151,9 @@ static irqreturn_t ttc_clock_event_interrupt(int irq, void *dev_id)
/**
* __ttc_clocksource_read - Reads the timer counter register
+ * @cs: &clocksource to read from
*
- * returns: Current timer counter register value
+ * Returns: Current timer counter register value
**/
static u64 __ttc_clocksource_read(struct clocksource *cs)
{
@@ -173,7 +174,7 @@ static u64 notrace ttc_sched_clock_read(void)
* @cycles: Timer interval ticks
* @evt: Address of clock event instance
*
- * returns: Always 0 - success
+ * Returns: Always %0 - success
**/
static int ttc_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
@@ -186,9 +187,12 @@ static int ttc_set_next_event(unsigned long cycles,
}
/**
- * ttc_set_{shutdown|oneshot|periodic} - Sets the state of timer
- *
+ * ttc_shutdown - Sets the state of timer
* @evt: Address of clock event instance
+ *
+ * Used for shutdown or oneshot.
+ *
+ * Returns: Always %0 - success
**/
static int ttc_shutdown(struct clock_event_device *evt)
{
@@ -202,6 +206,12 @@ static int ttc_shutdown(struct clock_event_device *evt)
return 0;
}
+/**
+ * ttc_set_periodic - Sets the state of timer
+ * @evt: Address of clock event instance
+ *
+ * Returns: Always %0 - success
+ */
static int ttc_set_periodic(struct clock_event_device *evt)
{
struct ttc_timer_clockevent *ttce = to_ttc_timer_clkevent(evt);