From: arvind.yadav.cs@gmail.com (Arvind Yadav)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] PM / devfreq: exynos-ppmu : Handle return value of clk_prepare_enable
Date: Fri, 19 May 2017 16:26:04 +0530 [thread overview]
Message-ID: <1495191364-16015-1-git-send-email-arvind.yadav.cs@gmail.com> (raw)
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/devfreq/event/exynos-ppmu.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index 9b73509..8f6537a 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;
}
--
1.9.1
next reply other threads:[~2017-05-19 10:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170519105745epcas5p29a5cbb259cd15138d7220f34e130e00a@epcas5p2.samsung.com>
2017-05-19 10:56 ` Arvind Yadav [this message]
2017-05-23 9:41 ` [PATCH v1] PM / devfreq: exynos-ppmu : Handle return value of clk_prepare_enable Chanwoo Choi
[not found] ` <CGME20170519105745epcas5p29a5cbb259cd15138d7220f34e130e00a@epcms1p3>
2017-05-24 1:30 ` MyungJoo Ham
2017-05-24 1:54 ` Chanwoo Choi
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