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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-05-19 16:26:04 +0530
committerMyungJoo Ham <myungjoo.ham@samsung.com>2017-06-12 10:12:07 +0900
commit97a6ba5bd0b54544fabe090711fabefc7a703a5f (patch)
tree355fc092f37cddde6bab3c66bd2b537431da7244 /drivers/devfreq
parent973a27c7464231282489b2f14581e33cf29024b8 (diff)
PM / devfreq: exynos-ppmu: 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>
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/event/exynos-ppmu.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index 9b7350935b73..8f6537aa989b 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -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;
}

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