pinctrl: mvebu: make pdma clock on dove mandatory
With the ability to pass clocks through DT, now make the pdma
clock of dove pinctrl mandatory. Otherwise, pinctrl will hang
the system when accessing some registers.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 40c9c3e..9cc219f 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -595,8 +595,11 @@
* grab clk to make sure it is ticking.
*/
clk = devm_clk_get(&pdev->dev, NULL);
- if (!IS_ERR(clk))
- clk_prepare_enable(clk);
+ if (IS_ERR(clk)) {
+ dev_err(&pdev->dev, "Unable to get pdma clock");
+ return PTR_RET(clk);
+ }
+ clk_prepare_enable(clk);
return mvebu_pinctrl_probe(pdev);
}