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| author | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
| commit | 74b60e9f6f938d0cd4c7a71e583aee3cc6c5fbba (patch) | |
| tree | 15cbca70f3f6d7e10da7d82154a78e6ca35dca8c /drivers/net/usb/cdc_ncm.c | |
| parent | f24f1475658431d60bcd4e6e5de951ba1663dd43 (diff) | |
| parent | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.07-rt
Conflicts:
mm/swap.c
Diffstat (limited to 'drivers/net/usb/cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 0b481c30979b..5db25e46a962 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -843,7 +843,11 @@ advance: iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber; - /* reset data interface */ + /* Reset data interface. Some devices will not reset properly + * unless they are configured first. Toggle the altsetting to + * force a reset + */ + usb_set_interface(dev->udev, iface_no, data_altsetting); temp = usb_set_interface(dev->udev, iface_no, 0); if (temp) { dev_dbg(&intf->dev, "set interface failed\n"); |