diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-07-27 12:35:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-27 12:35:35 +0200 |
| commit | df15929f8f5c69e987c31bf016eca4a38dba46f0 (patch) | |
| tree | cfb5fe5e8ebff4cabd70557a304f355546943cc9 /drivers/net/usb/cdc_ncm.c | |
| parent | efaad554b4ffae1840a2759e09e21325ddbc8b05 (diff) | |
| parent | 37e13a1ebe32c4fbfbdb5413f42eb6e71d8b28a4 (diff) | |
Merge branch 'linus' into x86/microcode, to pick up merge window changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/usb/cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 53759c315b97..877c9516e781 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -854,6 +854,13 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ if (cdc_ncm_init(dev)) goto error2; + /* Some firmwares need a pause here or they will silently fail + * to set up the interface properly. This value was decided + * empirically on a Sierra Wireless MC7455 running 02.08.02.00 + * firmware. + */ + usleep_range(10000, 20000); + /* configure data interface */ temp = usb_set_interface(dev->udev, iface_no, data_altsetting); if (temp) { |