3 files changed, 15 insertions, 10 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 52394f08a947..051c3a77b41b 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -364,6 +364,7 @@ static struct usb_device_id id_table_8U232AM [] = {
         { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_3, 0, 0x3ff) },
         { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_4, 0, 0x3ff) },
         { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0, 0x3ff) },
+        { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0, 0x3ff) },
         { USB_DEVICE_VER(FTDI_VID, INSIDE_ACCESSO, 0, 0x3ff) },
         { USB_DEVICE_VER(INTREPID_VID, INTREPID_VALUECAN_PID, 0, 0x3ff) },
         { USB_DEVICE_VER(INTREPID_VID, INTREPID_NEOVI_PID, 0, 0x3ff) },
@@ -475,6 +476,7 @@ static struct usb_device_id id_table_FT232BM [] = {
         { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0x400, 0xffff) },
+        { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) },
@@ -618,6 +620,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) },
         { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
         { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) },
         { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) },
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index a52bb13a9ce4..8866376823a5 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -144,6 +144,8 @@
 
 /* ELV USB Module UO100 (PID sent by Stefan Frings) */
 #define FTDI_ELV_UO100_PID      0xFB58  /* Product Id */
+/* ELV USB Module UM100 (PID sent by Arnim Laeuger) */
+#define FTDI_ELV_UM100_PID      0xFB5A  /* Product Id */
 
 /*
  * Definitions for ID TECH (www.idt-net.com) devices
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 4536f63faaea..5da76dd8fb28 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1297,13 +1297,6 @@ static int __init usb_serial_init(void)
                 goto exit_bus;
         }
 
-        /* register the generic driver, if we should */
-        result = usb_serial_generic_register(debug);
-        if (result < 0) {
-                err("%s - registering generic driver failed", __FUNCTION__);
-                goto exit_generic;
-        }
-
         usb_serial_tty_driver->owner = THIS_MODULE;
         usb_serial_tty_driver->driver_name = "usbserial";
         usb_serial_tty_driver->devfs_name = "usb/tts/";
@@ -1329,17 +1322,24 @@ static int __init usb_serial_init(void)
                 goto exit_tty;
         }
 
+        /* register the generic driver, if we should */
+        result = usb_serial_generic_register(debug);
+        if (result < 0) {
+                err("%s - registering generic driver failed", __FUNCTION__);
+                goto exit_generic;
+        }
+
         info(DRIVER_DESC " " DRIVER_VERSION);
 
         return result;
 
+exit_generic:
+        usb_deregister(&usb_serial_driver);
+
 exit_tty:
         tty_unregister_driver(usb_serial_tty_driver);
 
 exit_reg_driver:
-        usb_serial_generic_deregister();
-
-exit_generic:
         bus_unregister(&usb_serial_bus_type);
 
 exit_bus: