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[v3,1/3] clocksource: armada-370-xp: Add missing clock enable

Message ID 1415107293-19258-2-git-send-email-ezequiel.garcia@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ezequiel Garcia Nov. 4, 2014, 1:21 p.m. UTC 
This commit makes sure the timer clock is prepared and enabled
before retrieving its rate.

Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
 drivers/clocksource/time-armada-370-xp.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index 0451e62..d8555f9 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -293,6 +293,7 @@  static void __init armada_xp_timer_init(struct device_node *np)
 
 	/* The 25Mhz fixed clock is mandatory, and must always be available */
 	BUG_ON(IS_ERR(clk));
+	clk_prepare_enable(clk);
 	timer_clk = clk_get_rate(clk);
 
 	armada_370_xp_timer_common_init(np);
@@ -305,6 +306,7 @@  static void __init armada_370_timer_init(struct device_node *np)
 	struct clk *clk = of_clk_get(np, 0);
 
 	BUG_ON(IS_ERR(clk));
+	clk_prepare_enable(clk);
 	timer_clk = clk_get_rate(clk) / TIMER_DIVIDER;
 	timer25Mhz = false;