diff options
Diffstat (limited to 'drivers/usb/serial/sierra.c')
| -rw-r--r-- | drivers/usb/serial/sierra.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 79ee6c7..d5d136a 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -301,6 +301,9 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, + { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */ + .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist + }, { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */ { } @@ -373,7 +376,10 @@ static int sierra_send_setup(struct usb_serial_port *port) if (!do_send) return 0; - usb_autopm_get_interface(serial->interface); + retval = usb_autopm_get_interface(serial->interface); + if (retval < 0) + return retval; + retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); usb_autopm_put_interface(serial->interface); @@ -808,8 +814,12 @@ static void sierra_close(struct usb_serial_port *port) mutex_lock(&serial->disc_mutex); if (!serial->disconnected) { serial->interface->needs_remote_wakeup = 0; - usb_autopm_get_interface(serial->interface); - sierra_send_setup(port); + /* odd error handling due to pm counters */ + if (!usb_autopm_get_interface(serial->interface)) + sierra_send_setup(port); + else + usb_autopm_get_interface_no_resume(serial->interface); + } mutex_unlock(&serial->disc_mutex); spin_lock_irq(&intfdata->susp_lock); @@ -862,7 +872,8 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port) /* get rid of everything as in close */ sierra_close(port); /* restore balance for autopm */ - usb_autopm_put_interface(serial->interface); + if (!serial->disconnected) + usb_autopm_put_interface(serial->interface); return err; } sierra_send_setup(port); |