Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/usb/serial/ftdi_sio.c |    1 +
 drivers/usb/serial/ftdi_sio.h |    5 +++++
 2 files changed, 6 insertions(+)

diff -puN drivers/usb/serial/ftdi_sio.c~gregkh-usb-usb-new-device-id-for-thorlabs-motor-driver drivers/usb/serial/ftdi_sio.c
--- a/drivers/usb/serial/ftdi_sio.c~gregkh-usb-usb-new-device-id-for-thorlabs-motor-driver
+++ a/drivers/usb/serial/ftdi_sio.c
@@ -500,6 +500,7 @@ static struct usb_device_id id_table_com
 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
diff -puN drivers/usb/serial/ftdi_sio.h~gregkh-usb-usb-new-device-id-for-thorlabs-motor-driver drivers/usb/serial/ftdi_sio.h
--- a/drivers/usb/serial/ftdi_sio.h~gregkh-usb-usb-new-device-id-for-thorlabs-motor-driver
+++ a/drivers/usb/serial/ftdi_sio.h
@@ -442,6 +442,11 @@
  */
 #define FTDI_YEI_SERVOCENTER31_PID	0xE050	/* YEI ServoCenter3.1 USB */
 
+/*
+ * ThorLabs USB motor drivers
+ */
+#define FTDI_THORLABS_PID		0xfaf0 /* ThorLabs USB motor drivers */
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */
_