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watchdog: davinci: 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>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
hifive-unleashed-5.1
Arvind Yadav 2017-06-06 15:47:53 +05:30 committed by Wim Van Sebroeck
parent 65360944c1
commit 8f11eb58ad
1 changed files with 5 additions and 1 deletions
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6
drivers/watchdog/davinci_wdt.c
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@ -173,7 +173,11 @@ static int davinci_wdt_probe(struct platform_device *pdev)
return PTR_ERR(davinci_wdt->clk);
}
clk_prepare_enable(davinci_wdt->clk);
ret = clk_prepare_enable(davinci_wdt->clk);
if (ret) {
dev_err(&pdev->dev, "failed to prepare clock\n");
return ret;
}
platform_set_drvdata(pdev, davinci_wdt);