[tip:timers/core] clocksource/drivers/timer-of: Add timer_of_exit function

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Commit-ID:  f48729a999ee57b9e831245779e68200dd2bde09
Gitweb:     https://git.kernel.org/tip/f48729a999ee57b9e831245779e68200dd2bde09
Author:     Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
AuthorDate: Mon, 23 Oct 2017 11:58:37 +0200
Committer:  Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitDate: Sun, 29 Oct 2017 19:05:49 +0100

clocksource/drivers/timer-of: Add timer_of_exit function

The timer-of API does not provide a function to undo what has been done by
the timer_of_init() function.

Add a timer_of_exit() function.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
 drivers/clocksource/timer-of.c | 12 ++++++++++++
 drivers/clocksource/timer-of.h |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index c79122d..7c64a5c1 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -176,3 +176,15 @@ out_fail:
 		timer_base_exit(&to->of_base);
 	return ret;
 }
+
+void timer_of_exit(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..44f57e0 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_exit(struct timer_of *to);
+
 #endif
--
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