wdt: dw: Enable the clock before using it

The watchdog won't work if the clock isn't enabled.

Fixes: cf89ef8d10f240554541c20b2e1bdcdd58d1d7e6
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/watchdog/designware_wdt.c b/drivers/watchdog/designware_wdt.c
index a65487d4f3435c7fd873bf7bf015e38aae12178a..709a67fbc340b644b084d02af6edb9070e2fe0e0 100644 (file)
--- a/drivers/watchdog/designware_wdt.c
+++ b/drivers/watchdog/designware_wdt.c
@@ -129,6 +129,10 @@ static int designware_wdt_probe(struct udevice *dev)
        if (ret)
                return ret;
 
+       ret = clk_enable(&clk);
+       if (ret)
+               return ret;
+
        priv->clk_khz = clk_get_rate(&clk) / 1000;
        if (!priv->clk_khz)
                return -EINVAL;