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| author | James Morris <james.l.morris@oracle.com> | 2014-09-30 16:44:04 +0200 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-09-30 16:44:04 +0200 |
| commit | 6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1 (patch) | |
| tree | 2ab49b7d19fb69cdae5b6be9e7ba44f6cf3d45ef /drivers/net/usb/cdc_ether.c | |
| parent | Merge tag 'keys-next-20140922' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| parent | Linux 3.16 (diff) | |
| download | linux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.tar.xz linux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.zip | |
Merge commit 'v3.16' into next
Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
| -rw-r--r-- | drivers/net/usb/cdc_ether.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 9ea4bfe5d318..2a32d9167d3b 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -341,6 +341,22 @@ next_desc: usb_driver_release_interface(driver, info->data); return -ENODEV; } + + /* Some devices don't initialise properly. In particular + * the packet filter is not reset. There are devices that + * don't do reset all the way. So the packet filter should + * be set to a sane initial value. + */ + usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + USB_CDC_SET_ETHERNET_PACKET_FILTER, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | USB_CDC_PACKET_TYPE_BROADCAST, + intf->cur_altsetting->desc.bInterfaceNumber, + NULL, + 0, + USB_CTRL_SET_TIMEOUT + ); return 0; bad_desc: |