--- zzzz-none-000/linux-4.1.52/drivers/usb/host/xhci-hub.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/drivers/usb/host/xhci-hub.c	2022-03-02 11:37:13.000000000 +0000
@@ -27,6 +27,11 @@
 #include "xhci.h"
 #include "xhci-trace.h"
 
+#if defined (CONFIG_AVM_KERNEL)
+/* 20160219 AVM/VGJ USB3 ports switchable */
+extern int usb3port_config;
+#endif
+
 #define	PORT_WAKE_BITS	(PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E)
 #define	PORT_RWC_BITS	(PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \
 			 PORT_RC | PORT_PLC | PORT_PE)
@@ -968,8 +973,21 @@
 			 * However, hub_wq will ignore the roothub events until
 			 * the roothub is registered.
 			 */
-			writel(temp | PORT_POWER, port_array[wIndex]);
+#if defined (CONFIG_AVM_KERNEL)
+			{
+				/* 20170316 AVM/VGJ USB3 ports switchable */
+				const int port_bit = (wIndex == 0)? 1: 2;
+				temp |= PORT_POWER;
+			if ((hcd->speed == HCD_USB3) && !(usb3port_config & port_bit) ) {
+				    temp &= ~PORT_POWER;
+				printk (KERN_INFO "AVM: disable USB3 bus#%d port#%d config=%x\n", hcd->self.busnum, wIndex, usb3port_config);
+			    }
 
+				writel(temp, port_array[wIndex]);
+			}
+#else
+			writel(temp | PORT_POWER, port_array[wIndex]);
+#endif
 			temp = readl(port_array[wIndex]);
 			xhci_dbg(xhci, "set port power, actual port %d status  = 0x%x\n", wIndex, temp);
 
@@ -1150,6 +1168,13 @@
 			break;
 		}
 		if ((temp & mask) != 0 ||
+#ifdef CONFIG_BCM_KF_USB_HOSTS
+			/* when in compliance mode no change events are generated
+			 * this check is needed for compliance mode quirk to bring
+			 * port out of compliance mode
+			 */
+			((temp & PORT_PLS_MASK) == USB_SS_PORT_LS_COMP_MOD) ||
+#endif
 			(bus_state->port_c_suspend & 1 << i) ||
 			(bus_state->resume_done[i] && time_after_eq(
 			    jiffies, bus_state->resume_done[i]))) {
@@ -1167,7 +1192,7 @@
 	return status ? retval : 0;
 }
 
-#ifdef CONFIG_PM
+#if defined(CONFIG_PM)
 
 int xhci_bus_suspend(struct usb_hcd *hcd)
 {