Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / clocksource / sh_mtu2.c

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index b6a56b1..e30d76e 100644 (file)
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -312,8 +312,20 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev)
                goto err1;
        }
 
-       return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
-                               cfg->clockevent_rating);
+       ret = clk_prepare(p->clk);
+       if (ret < 0)
+               goto err2;
+
+       ret = sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
+                              cfg->clockevent_rating);
+       if (ret < 0)
+               goto err3;
+
+       return 0;
+ err3:
+       clk_unprepare(p->clk);
+ err2:
+       clk_put(p->clk);
  err1:
        iounmap(p->mapbase);
  err0: