diff options
| author | Aaron Ma <aaron.ma@canonical.com> | 2022-01-05 23:51:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-11 15:35:12 +0100 |
| commit | 21a18420ae2d3c8f1b57842eae4966a4e4bdeedc (patch) | |
| tree | e3e019aba55ae0aed039e55296bae1b45707b79c | |
| parent | e1e354771812b12f0b4c433bbaf916f87cd0f6c7 (diff) | |
Revert "net: usb: r8152: Add MAC passthrough support for more Lenovo Docks"
commit 00fcf8c7dd564c44448ff6a39728d2ca0c8efbd8 upstream.
This reverts commit f77b83b5bbab53d2be339184838b19ed2c62c0a5.
This change breaks multiple usb to ethernet dongles attached on Lenovo
USB hub.
Fixes: f77b83b5bbab ("net: usb: r8152: Add MAC passthrough support for more Lenovo Docks")
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Link: https://lore.kernel.org/r/20220105155102.8557-1-aaron.ma@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/usb/r8152.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index c08e0857e8a7..d467a9f3bb44 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -9638,9 +9638,12 @@ static int rtl8152_probe(struct usb_interface *intf, netdev->hw_features &= ~NETIF_F_RXCSUM; } - if (udev->parent && - le16_to_cpu(udev->parent->descriptor.idVendor) == VENDOR_ID_LENOVO) { - tp->lenovo_macpassthru = 1; + if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) { + switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2: + case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2: + tp->lenovo_macpassthru = 1; + } } if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial && |