usb: dwc3: drd: Defer probe if extcon device is not found (98bba546) · Commits · 戴 / test

In case the "linux,extcon-name" property is defined but device itself is not ready, defer the probe. Signed-off-by:

drivers/usb/dwc3/drd.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -457,8 +457,13 @@ static struct extcon_dev dwc3_get_extcon(struct dwc3 dwc)
		* This device property is for kernel internal use only and
		* is expected to be set by the glue code.
		*/
		if (device_property_read_string(dev, "linux,extcon-name", &name) == 0)
		return extcon_get_extcon_dev(name);
		if (device_property_read_string(dev, "linux,extcon-name", &name) == 0) {
		edev = extcon_get_extcon_dev(name);
		if (!edev)
		return ERR_PTR(-EPROBE_DEFER);

		return edev;
		}

		np_phy = of_parse_phandle(dev->of_node, "phys", 0);
		np_conn = of_graph_get_remote_node(np_phy, -1, -1);