2 files changed, 11 insertions, 3 deletions

diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c
index 5c3e7b11e8a6..f6e7956fc91a 100644
--- a/drivers/devfreq/event/exynos-nocp.c
+++ b/drivers/devfreq/event/exynos-nocp.c
@@ -267,7 +267,11 @@ static int exynos_nocp_probe(struct platform_device *pdev)
         }
         platform_set_drvdata(pdev, nocp);
 
-        clk_prepare_enable(nocp->clk);
+        ret = clk_prepare_enable(nocp->clk);
+        if (ret) {
+                dev_err(&pdev->dev, "failed to prepare ppmu clock\n");
+                return ret;
+        }
 
         pr_info("exynos-nocp: new NoC Probe device registered: %s\n",
                         dev_name(dev));
diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index 9b7350935b73..d96e3dc71cf8 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -44,7 +44,7 @@ struct exynos_ppmu {
         { "ppmu-event2-"#name, PPMU_PMNCNT2 },  \
         { "ppmu-event3-"#name, PPMU_PMNCNT3 }
 
-struct __exynos_ppmu_events {
+static struct __exynos_ppmu_events {
         char *name;
         int id;
 } ppmu_events[] = {
@@ -648,7 +648,11 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
                         dev_name(&pdev->dev), desc[i].name);
         }
 
-        clk_prepare_enable(info->ppmu.clk);
+        ret = clk_prepare_enable(info->ppmu.clk);
+        if (ret) {
+                dev_err(&pdev->dev, "failed to prepare ppmu clock\n");
+                return ret;
+        }
 
         return 0;
 }