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Date: Tue, 6 Jun 2017 15:12:37 +0530
From: Arvind Yadav <arvind.yadav.cs@...il.com>
To: rui.zhang@...el.com, edubezval@...il.com
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] thermal: imx: 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@...il.com>
---
drivers/thermal/imx_thermal.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index fb648a4..1aee321 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -648,8 +648,11 @@ static int imx_thermal_resume(struct device *dev)
{
struct imx_thermal_data *data = dev_get_drvdata(dev);
struct regmap *map = data->tempmon;
+ int ret;
- clk_prepare_enable(data->thermal_clk);
+ ret = clk_prepare_enable(data->thermal_clk);
+ if (ret)
+ return ret;
/* Enabled thermal sensor after resume */
regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN);
regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP);
--
1.9.1
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