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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-05-19 16:20:35 +0530
committerMyungJoo Ham <myungjoo.ham@samsung.com>2017-06-12 10:12:07 +0900
commit973a27c7464231282489b2f14581e33cf29024b8 (patch)
tree0e02cda58902663e55e542e864200aec8828eb65
parent32c1431eea4881a6b17bd7c639315010aeefa452 (diff)
PM / devfreq: exynos-nocp: Handle return value of clk_prepare_enable
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
-rw-r--r--drivers/devfreq/event/exynos-nocp.c6
1 files changed, 5 insertions, 1 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));

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