Commit 5910fa0d authored Dec 25, 2018 by Kangjie Lu Committed by Alexandre Belloni Jan 22, 2019

rtc: coh901331: fix a missing check of clk_prepare



clk_prepare() could fail, so let's check its status and if it fails
return its error code upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

parent bbb43838

drivers/rtc/rtc-coh901331.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -235,9 +235,13 @@ static int coh901331_suspend(struct device *dev)

		static int coh901331_resume(struct device *dev)
		{
		int ret;
		struct coh901331_port *rtap = dev_get_drvdata(dev);

		clk_prepare(rtap->clk);
		ret = clk_prepare(rtap->clk);
		if (ret)
		return ret;

		if (device_may_wakeup(dev)) {
		disable_irq_wake(rtap->irq);
		} else {