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path: root/drivers/usb/serial/sierra.c
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Diffstat (limited to 'drivers/usb/serial/sierra.c')
-rw-r--r--drivers/usb/serial/sierra.c83
1 files changed, 52 insertions, 31 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index a3aaf08e56d..e2a7463346f 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -137,6 +137,8 @@ static int sierra_probe(struct usb_serial *serial,
struct usb_device *udev;
int *num_ports;
u8 ifnum;
+ u8 numendpoints;
+
dev_dbg(&serial->dev->dev, "%s", __func__);
num_ports = kmalloc(sizeof(*num_ports), GFP_KERNEL);
@@ -144,23 +146,22 @@ static int sierra_probe(struct usb_serial *serial,
return -ENOMEM;
ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
+ numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints;
udev = serial->dev;
- /* Figure out the interface number from the serial structure */
- ifnum = sierra_calc_interface(serial);
-
- /*
- * If this interface supports more than 1 alternate
- * select the 2nd one
- */
- if (serial->interface->num_altsetting == 2) {
- dev_dbg(&udev->dev,
- "Selecting alt setting for interface %d\n",
- ifnum);
+ /* Figure out the interface number from the serial structure */
+ ifnum = sierra_calc_interface(serial);
- /* We know the alternate setting is 1 for the MC8785 */
- usb_set_interface(udev, ifnum, 1);
- }
+ /*
+ * If this interface supports more than 1 alternate
+ * select the 2nd one
+ */
+ if (serial->interface->num_altsetting == 2) {
+ dev_dbg(&udev->dev, "Selecting alt setting for interface %d\n",
+ ifnum);
+ /* We know the alternate setting is 1 for the MC8785 */
+ usb_set_interface(udev, ifnum, 1);
+ }
/* Check if in installer mode */
if (truinstall && id->driver_info == DEVICE_INSTALLER) {
@@ -169,12 +170,14 @@ static int sierra_probe(struct usb_serial *serial,
/* Don't bind to the device when in installer mode */
kfree(num_ports);
return -EIO;
- } else if (id->driver_info == DEVICE_1_PORT)
- *num_ports = 1;
- else if (ifnum == 0x99)
+ /* Dummy interface present on some SKUs should be ignored */
+ } else if (ifnum == 0x99)
*num_ports = 0;
+ else if (numendpoints <= 3)
+ *num_ports = 1;
else
- *num_ports = 3;
+ *num_ports = (numendpoints-1)/2;
+
/*
* save off our num_ports info so that we can use it in the
* calc_num_ports callback
@@ -197,6 +200,9 @@ static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
/* Sierra Wireless C597 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) },
+ /* Sierra Wireless Device */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) },
+ { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless Device */
{ USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
{ USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
@@ -209,18 +215,27 @@ static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
{ USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */
{ USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */
- { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8785 Composite */
+ { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */
+ { USB_DEVICE(0x1199, 0x683C) }, /* Sierra Wireless MC8790 */
+ { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8790 */
+ { USB_DEVICE(0x1199, 0x683E) }, /* Sierra Wireless MC8790 */
{ USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
{ USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
{ USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
{ USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
{ USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
{ USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
- { USB_DEVICE(0x1199, 0x6859), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
- { USB_DEVICE(0x1199, 0x685A), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
-
- { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */
- { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */
+ { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */
+ { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */
+ /* Sierra Wireless C885 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)},
+ /* Sierra Wireless Device */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)},
+ /* Sierra Wireless Device */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)},
+
+ { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
+ { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
{ USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER},
{ }
@@ -270,13 +285,19 @@ static int sierra_send_setup(struct tty_struct *tty,
if (portdata->rts_state)
val |= 0x02;
- /* Determine which port is targeted */
- if (port->bulk_out_endpointAddress == 2)
- interface = 0;
- else if (port->bulk_out_endpointAddress == 4)
- interface = 1;
- else if (port->bulk_out_endpointAddress == 5)
- interface = 2;
+ /* If composite device then properly report interface */
+ if (serial->num_ports == 1)
+ interface = sierra_calc_interface(serial);
+
+ /* Otherwise the need to do non-composite mapping */
+ else {
+ if (port->bulk_out_endpointAddress == 2)
+ interface = 0;
+ else if (port->bulk_out_endpointAddress == 4)
+ interface = 1;
+ else if (port->bulk_out_endpointAddress == 5)
+ interface = 2;
+ }
return usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0),