--- zzzz-none-000/linux-3.10.107/drivers/usb/host/xhci-hub.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/drivers/usb/host/xhci-hub.c	2021-11-10 11:53:55.000000000 +0000
@@ -25,6 +25,11 @@
 
 #include "xhci.h"
 
+#if defined(CONFIG_ARCH_IPQ806X_DT) || defined (CONFIG_VR9)
+/* 20150211 AVM/WK 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)
@@ -837,8 +842,25 @@
 			 * However, khubd will ignore the roothub events until
 			 * the roothub is registered.
 			 */
-			xhci_writel(xhci, temp | PORT_POWER,
-					port_array[wIndex]);
+		
+            /* 20150211 AVM/WK USB3 ports switchable */        
+			temp |= PORT_POWER;
+
+#if defined(CONFIG_ARCH_IPQ806X_DT) || defined (CONFIG_VR9)
+            {
+
+#if defined(CONFIG_ARCH_IPQ806X_DT)
+                const int port_bit = (hcd->self.busnum < 3)? 1: 2;
+#else 
+                const int port_bit = (wIndex == 0)? 1: 2;
+#endif
+	        	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);
+			    }
+            }   
+#endif
+			xhci_writel(xhci, temp, port_array[wIndex]);
 
 			temp = xhci_readl(xhci, port_array[wIndex]);
 			xhci_dbg(xhci, "set port power, actual port %d status  = 0x%x\n", wIndex, temp);