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Commit d9df0ef1 authored by Viresh Kumar's avatar Viresh Kumar Committed by Wim Van Sebroeck
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watchdog: sp805_wdt: Add clk_{un}prepare support 



clk_{un}prepare() routines are required for required on some platforms to run
part of clk enable/disable() routines from contexts that can schedule.

This patch adds support for these routines in sp805 driver.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@st.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 4a516539

drivers/watchdog/sp805_wdt.c

+8 −0
Original line number Diff line number Diff line
@@ -130,9 +130,16 @@ static int wdt_config(struct watchdog_device *wdd, bool ping) 
	int ret;



	if (!ping) {

		ret = clk_prepare(wdt->clk);

		if (ret) {

			dev_err(&wdt->adev->dev, "clock prepare fail");

			return ret;

		}



		ret = clk_enable(wdt->clk);

		if (ret) {

			dev_err(&wdt->adev->dev, "clock enable fail");

			clk_unprepare(wdt->clk);

			return ret;

		}

	}
@@ -184,6 +191,7 @@ static int wdt_disable(struct watchdog_device *wdd) 
	spin_unlock(&wdt->lock);



	clk_disable(wdt->clk);

	clk_unprepare(wdt->clk);



	return 0;

}