--- linux-4.9.37/drivers/usb/dwc3/host.c	2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/drivers/usb/dwc3/host.c	2021-06-07 13:01:34.000000000 +0300
@@ -21,7 +21,7 @@
 
 int dwc3_host_init(struct dwc3 *dwc)
 {
-	struct property_entry	props[3];
+	struct property_entry	props[4];
 	struct platform_device	*xhci;
 	int			ret, irq;
 	struct resource		*res;
@@ -93,6 +93,9 @@
 	if (dwc->usb3_lpm_capable)
 		props[prop_idx++].name = "usb3-lpm-capable";
 
+	if (dwc->usb2_lpm_disable)
+		props[prop_idx++].name = "usb2-lpm-disable";
+
 	/**
 	 * WORKAROUND: dwc3 revisions <=3.00a have a limitation
 	 * where Port Disable command doesn't work.