[v6,1/5] timer: add timer_of_deinit function

Message ID 1508331506-23782-2-git-send-email-benjamin.gaignard@linaro.org
State Superseded
Headers show
Series
  • stm32 clocksource driver rework
Related show

Commit Message

Benjamin Gaignard Oct. 18, 2017, 12:58 p.m.
Add this deinit function to be able to undo what have been done
in timer_of_init().

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

---
 drivers/clocksource/timer-of.c | 12 ++++++++++++
 drivers/clocksource/timer-of.h |  3 +++
 2 files changed, 15 insertions(+)

-- 
2.7.4

Patch

diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index c79122d..14404a0 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -176,3 +176,15 @@  int __init timer_of_init(struct device_node *np, struct timer_of *to)
 		timer_base_exit(&to->of_base);
 	return ret;
 }
+
+void timer_of_deinit(struct timer_of *to)
+{
+	if (to->flags & TIMER_OF_IRQ)
+		timer_irq_exit(&to->of_irq);
+
+	if (to->flags & TIMER_OF_CLOCK)
+		timer_clk_exit(&to->of_clk);
+
+	if (to->flags & TIMER_OF_BASE)
+		timer_base_exit(&to->of_base);
+}
diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h
index e0d7272..3833ab1 100644
--- a/drivers/clocksource/timer-of.h
+++ b/drivers/clocksource/timer-of.h
@@ -66,4 +66,7 @@  static inline unsigned long timer_of_period(struct timer_of *to)
 
 extern int __init timer_of_init(struct device_node *np,
 				struct timer_of *to);
+
+extern void timer_of_deinit(struct timer_of *to);
+
 #endif