diff options
Diffstat (limited to 'drivers/usb/serial/qcserial.c')
| -rw-r--r-- | drivers/usb/serial/qcserial.c | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 8d103019d6a..bfd50779f0c 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -199,43 +199,49 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) /* default to enabling interface */ altsetting = 0; - switch (ifnum) { - /* Composite mode; don't bind to the QMI/net interface as that - * gets handled by other drivers. - */ + /* Composite mode; don't bind to the QMI/net interface as that + * gets handled by other drivers. + */ + + if (is_gobi1k) { /* Gobi 1K USB layout: * 0: serial port (doesn't respond) * 1: serial port (doesn't respond) * 2: AT-capable modem port * 3: QMI/net - * - * Gobi 2K+ USB layout: + */ + if (ifnum == 2) + dev_dbg(dev, "Modem port found\n"); + else + altsetting = -1; + } else { + /* Gobi 2K+ USB layout: * 0: QMI/net * 1: DM/DIAG (use libqcdm from ModemManager for communication) * 2: AT-capable modem port * 3: NMEA */ - - case 1: - if (is_gobi1k) + switch (ifnum) { + case 0: + /* Don't claim the QMI/net interface */ altsetting = -1; - else + break; + case 1: dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); - break; - case 2: - dev_dbg(dev, "Modem port found\n"); - break; - case 3: - if (is_gobi1k) - altsetting = -1; - else + break; + case 2: + dev_dbg(dev, "Modem port found\n"); + break; + case 3: /* * NMEA (serial line 9600 8N1) * # echo "\$GPS_START" > /dev/ttyUSBx * # echo "\$GPS_STOP" > /dev/ttyUSBx */ dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); + break; + } } done: @@ -262,8 +268,7 @@ static void qc_release(struct usb_serial *serial) { struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); - /* Call usb_wwan release & free the private data allocated in qcprobe */ - usb_wwan_release(serial); + /* Free the private data allocated in qcprobe */ usb_set_serial_data(serial, NULL); kfree(priv); } @@ -283,8 +288,8 @@ static struct usb_serial_driver qcdevice = { .write_room = usb_wwan_write_room, .chars_in_buffer = usb_wwan_chars_in_buffer, .attach = usb_wwan_startup, - .disconnect = usb_wwan_disconnect, .release = qc_release, + .port_remove = usb_wwan_port_remove, #ifdef CONFIG_PM .suspend = usb_wwan_suspend, .resume = usb_wwan_resume, |