diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8d89a1650dad..12a4b74ca1f4 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2335,12 +2335,11 @@ static int ftdi_NDI_device_setup(struct usb_serial *serial) */ static int ftdi_jtag_probe(struct usb_serial *serial) { - struct usb_device *udev = serial->dev; - struct usb_interface *interface = serial->interface; + struct usb_interface *intf = serial->interface; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (interface == udev->actconfig->interface[0]) { - dev_info(&udev->dev, - "Ignoring serial port reserved for JTAG\n"); + if (ifnum == 0) { + dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); return -ENODEV; } @@ -2372,12 +2371,11 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial) */ static int ftdi_stmclite_probe(struct usb_serial *serial) { - struct usb_device *udev = serial->dev; - struct usb_interface *interface = serial->interface; + struct usb_interface *intf = serial->interface; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (interface == udev->actconfig->interface[0] || - interface == udev->actconfig->interface[1]) { - dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n"); + if (ifnum < 2) { + dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); return -ENODEV; } |