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path: root/drivers/usb/serial/ftdi_sio.c
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Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d1964a0c416..01edd620899 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -269,6 +269,8 @@
#define DRIVER_DESC "USB FTDI Serial Converters Driver"
static int debug;
+static __u16 vendor = FTDI_VID;
+static __u16 product;
/* struct ftdi_sio_quirk is used by devices requiring special attention. */
struct ftdi_sio_quirk {
@@ -432,7 +434,8 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
- { } /* Terminating entry */
+ { }, /* Optional parameter entry */
+ { } /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, id_table_combined);
@@ -2030,6 +2033,15 @@ static int __init ftdi_init (void)
int retval;
dbg("%s", __FUNCTION__);
+ if (vendor > 0 && product > 0) {
+ /* Add user specified VID/PID to reserved element of table. */
+ int i;
+ for (i = 0; id_table_combined[i].idVendor; i++)
+ ;
+ id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
+ id_table_combined[i].idVendor = vendor;
+ id_table_combined[i].idProduct = product;
+ }
retval = usb_serial_register(&ftdi_sio_device);
if (retval)
goto failed_sio_register;
@@ -2066,4 +2078,9 @@ MODULE_LICENSE("GPL");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
+module_param(vendor, ushort, 0);
+MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
+ __MODULE_STRING(FTDI_VID)")");
+module_param(product, ushort, 0);
+MODULE_PARM_DESC(vendor, "User specified product ID");