usb: dwc3: meson-g12a: check return of dwc3_meson_g12a_usb_init

The dwc3_meson_g12a_usb_init function can return an error, check it.

Fixes: c9999337 ("usb: dwc3: Add Amlogic G12A DWC3 glue")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

drivers/usb/dwc3/dwc3-meson-g12a.c

@@ -590,7 +590,9 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)
 	/* Get dr_mode */
 	priv->otg_mode = usb_get_dr_mode(dev);
 
-	dwc3_meson_g12a_usb_init(priv);
+	ret = dwc3_meson_g12a_usb_init(priv);
+	if (ret)
+		goto err_disable_clks;
 
 	/* Init PHYs */
 	for (i = 0 ; i < PHY_COUNT ; ++i) {