diff options
| author | Olof Johansson <olof@lixom.net> | 2012-11-06 06:48:05 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-06 06:48:05 -0800 |
| commit | 3b19119b95a52200c8ae3df3aa89c21c9a1a8894 (patch) | |
| tree | 3ae74b8a35b3d1f639a68c1690af1c06e14a1571 /drivers/usb/serial/option.c | |
| parent | ccb1cfcb964fa8a8acd58b7783b2e82d7ad7975b (diff) | |
| parent | e095c0d122c09efabe7d4136ce77f72c636c4879 (diff) | |
Merge tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux into next/soc
Support for Calxeda ECX-2000 SOC from Rob Herring
* tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux:
ARM: highbank: Add initial ECX-2000 support
ARM: highbank: abstract out SCU usage
ARM: smp_twd: don't warn on no DT node
ARM: dts: Add Calxeda ECX-2000 support
ARM: highbank: enable coherent DMA for xgmac in dts
ARM: highbank: disable unused sdhci and gpio in dts
+ sync to Linux 3.7-rc3
Diffstat (limited to 'drivers/usb/serial/option.c')
| -rw-r--r-- | drivers/usb/serial/option.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 54d4148d01d1..5dee7d61241e 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -47,6 +47,7 @@ /* Function prototypes */ static int option_probe(struct usb_serial *serial, const struct usb_device_id *id); +static int option_attach(struct usb_serial *serial); static void option_release(struct usb_serial *serial); static int option_send_setup(struct usb_serial_port *port); static void option_instat_callback(struct urb *urb); @@ -1288,8 +1289,9 @@ static struct usb_serial_driver option_1port_device = { .tiocmget = usb_wwan_tiocmget, .tiocmset = usb_wwan_tiocmset, .ioctl = usb_wwan_ioctl, - .attach = usb_wwan_startup, + .attach = option_attach, .release = option_release, + .port_probe = usb_wwan_port_probe, .port_remove = usb_wwan_port_remove, .read_int_callback = option_instat_callback, #ifdef CONFIG_PM @@ -1335,8 +1337,6 @@ static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason, static int option_probe(struct usb_serial *serial, const struct usb_device_id *id) { - struct usb_wwan_intf_private *data; - struct option_private *priv; struct usb_interface_descriptor *iface_desc = &serial->interface->cur_altsetting->desc; struct usb_device_descriptor *dev_desc = &serial->dev->descriptor; @@ -1374,6 +1374,19 @@ static int option_probe(struct usb_serial *serial, iface_desc->bInterfaceClass != USB_CLASS_CDC_DATA) return -ENODEV; + /* Store device id so we can use it during attach. */ + usb_set_serial_data(serial, (void *)id); + + return 0; +} + +static int option_attach(struct usb_serial *serial) +{ + struct usb_interface_descriptor *iface_desc; + const struct usb_device_id *id; + struct usb_wwan_intf_private *data; + struct option_private *priv; + data = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL); if (!data) return -ENOMEM; @@ -1384,6 +1397,10 @@ static int option_probe(struct usb_serial *serial, return -ENOMEM; } + /* Retrieve device id stored at probe. */ + id = usb_get_serial_data(serial); + iface_desc = &serial->interface->cur_altsetting->desc; + priv->bInterfaceNumber = iface_desc->bInterfaceNumber; data->private = priv; |