Ticket #13768: 0001-xhci-GetPortStatus-ClearPortFeature-PS_PLC-PS_WRC-fi.patch

src/add-ons/kernel/bus_managers/usb/Hub.cpp

@@ -335 +335 @@
                 USB_REQUEST_CLEAR_FEATURE, C_PORT_RESET, i + 1,
                 0, NULL, 0, NULL);
         }
+
+        if (fPortStatus[i].change & (1 << C_PORT_LINK_STATE)) {
+            TRACE_ALWAYS("port %" B_PRId32 " link state changed\n", i);
+            DefaultPipe()->SendRequest(USB_REQTYPE_CLASS | USB_REQTYPE_OTHER_OUT,
+                USB_REQUEST_CLEAR_FEATURE, C_PORT_LINK_STATE, i + 1,
+                0, NULL, 0, NULL);
+        }
+
+        if (fPortStatus[i].change & (1 << C_PORT_BH_PORT_RESET)) {
+            TRACE_ALWAYS("port %" B_PRId32 " was warm reset\n", i);
+            DefaultPipe()->SendRequest(USB_REQTYPE_CLASS | USB_REQTYPE_OTHER_OUT,
+                USB_REQUEST_CLEAR_FEATURE, C_PORT_BH_PORT_RESET, i + 1,
+                0, NULL, 0, NULL);
+        }
+
     }
 
     // explore down the tree if we have hubs connected

src/add-ons/kernel/busses/usb/xhci.cpp

@@ -1789 +1789 @@
 
     if (fPortSpeeds[index] == USB_SPEED_SUPER) {
         if (portStatus & PS_PLC)
-            status->change |= PORT_LINK_STATE;
+            status->change |= (1 << C_PORT_LINK_STATE);
         if (portStatus & PS_WRC)
-            status->change |= PORT_BH_PORT_RESET;
+            status->change |= (1 << C_PORT_BH_PORT_RESET);
     }
 
     return B_OK;
@@ -1874 +1874 @@
     case C_PORT_RESET:
         WriteOpReg(portRegister, portStatus | PS_PRC);
         break;
+    case C_PORT_BH_PORT_RESET:
+        WriteOpReg(portRegister, portStatus | PS_WRC);
+        break;
+    case C_PORT_LINK_STATE:
+        WriteOpReg(portRegister, portStatus | PS_PLC);
+        break;
     default:
         return B_BAD_VALUE;
     }