summaryrefslogtreecommitdiffstats
path: root/drivers/devfreq
diff options
context:
space:
mode:
authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-05-19 12:56:04 +0200
committerMyungJoo Ham <myungjoo.ham@samsung.com>2017-06-12 03:12:07 +0200
commit97a6ba5bd0b54544fabe090711fabefc7a703a5f (patch)
tree355fc092f37cddde6bab3c66bd2b537431da7244 /drivers/devfreq
parentPM / devfreq: exynos-nocp: Handle return value of clk_prepare_enable (diff)
downloadlinux-97a6ba5bd0b54544fabe090711fabefc7a703a5f.tar.xz
linux-97a6ba5bd0b54544fabe090711fabefc7a703a5f.zip
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;
}