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r8152: support additional Microsoft Surface Ethernet Adapter variant
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BugLink: https://bugs.launchpad.net/bugs/1881927

[ Upstream commit c27a204 ]

Device id 0927 is the RTL8153B-based component of the 'Surface USB-C to
Ethernet and USB Adapter' and may be used as a component of other devices
in future. Tested and working with the r8152 driver.

Update the cdc_ether blacklist due to the RTL8153 'network jam on suspend'
issue which this device will cause (personally confirmed).

Signed-off-by: Marc Payne <marc.payne@mdpsys.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
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Marc Payne authored and marcelocerri committed Jun 22, 2020
1 parent 5598470 commit b9fd3c1
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Showing 2 changed files with 10 additions and 2 deletions.
11 changes: 9 additions & 2 deletions drivers/net/usb/cdc_ether.c
Original file line number Diff line number Diff line change
Expand Up @@ -815,14 +815,21 @@ static const struct usb_device_id products[] = {
.driver_info = 0,
},

/* Microsoft Surface 3 dock (based on Realtek RTL8153) */
/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},

/* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153B) */
{
USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x0927, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},

/* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
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1 change: 1 addition & 0 deletions drivers/net/usb/r8152.c
Original file line number Diff line number Diff line change
Expand Up @@ -5856,6 +5856,7 @@ static const struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)},
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)},
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927)},
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},
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