[PATCH v4 03/10] usb: dwc3-generic: Add clock initialization in child DT node

[Kunihiko Hayashi]

Same as the reset cotnrol, should add a clock initialization in child DT
node, if the glue node doesn't have any clocks.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
Reviewed-by: Marek Vasut <marex at denx.de>
---
 drivers/usb/dwc3/dwc3-generic.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index e32003d68e..8fa56e1ac1 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -572,6 +572,12 @@ static int dwc3_glue_probe(struct udevice *dev)
 	if (ret)
 		return ret;
 
+	if (glue->clks.count == 0) {
+		ret = dwc3_glue_clk_init(child, glue);
+		if (ret)
+			return ret;
+	}
+
 	if (glue->resets.count == 0) {
 		ret = dwc3_glue_reset_init(child, glue);
 		if (ret)
-- 
2.25.1