diff options
| author | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-12-20 00:10:48 +0400 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-12-20 00:10:48 +0400 |
| commit | c19ae9c2483f0253bb58d3d3c28ac20386df6066 (patch) | |
| tree | 9e3339fd0c9ac3285839626b25bb8d30bea60abd /drivers/net/usb/cdc_ncm.c | |
| parent | 836f44a71d886bc81551597612e3b1797133985f (diff) | |
| parent | b2824f4e0990716407b0c0e7acee75bb6353febf (diff) | |
Automatically merging tracking-linux-3.6.y into merge-linux-linaro-core-3.6linux-linaro-core-3.6-20121220.0
Conflicting files:
Diffstat (limited to 'drivers/net/usb/cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4cd582a4f625..74fab1a40156 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -540,10 +540,12 @@ advance: (ctx->ether_desc == NULL) || (ctx->control != intf)) goto error; - /* claim interfaces, if any */ - temp = usb_driver_claim_interface(driver, ctx->data, dev); - if (temp) - goto error; + /* claim data interface, if different from control */ + if (ctx->data != ctx->control) { + temp = usb_driver_claim_interface(driver, ctx->data, dev); + if (temp) + goto error; + } iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber; @@ -623,6 +625,10 @@ static void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf) tasklet_kill(&ctx->bh); + /* handle devices with combined control and data interface */ + if (ctx->control == ctx->data) + ctx->data = NULL; + /* disconnect master --> disconnect slave */ if (intf == ctx->control && ctx->data) { usb_set_intfdata(ctx->data, NULL); @@ -1245,6 +1251,14 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* Huawei NCM devices disguised as vendor specific */ + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16), + .driver_info = (unsigned long)&wwan_info, + }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), + .driver_info = (unsigned long)&wwan_info, + }, + /* Generic CDC-NCM devices */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), |