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Wed, 11 May 2022 02:38:31 -0700 (PDT) Received: from debian.lan ([98.97.182.206]) by smtp.gmail.com with ESMTPSA id o20-20020a05622a139400b002f39b99f6a6sm885834qtk.64.2022.05.11.02.38.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 02:38:31 -0700 (PDT) From: David Ober To: linux-usb@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, hayeswang@realtek.com, aaron.ma@canonical.com Cc: mpearson@lenovo.com, dober@lenovo.com, David Ober Subject: [PATCH] Additions to the list of devices that can be used for Lenovo Pass-thru feature Date: Wed, 11 May 2022 05:38:26 -0400 Message-Id: <20220511093826.245118-1-dober6023@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org net: usb: r8152: Add in new Devices that are supported for Mac-Passthru Lenovo Thunderbolt 4 Dock, and other Lenovo USB Docks are using the original Realtek USB ethernet Vendor and Product IDs If the Network device is Realtek verify that it is on a Lenovo USB hub before enabling the passthru feature This also adds in the device IDs for the Lenovo USB Dongle and one other USB-C dock Signed-off-by: David Ober --- drivers/net/usb/r8152.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index c2da3438387c..7d43c772b85d 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -771,6 +771,9 @@ enum rtl8152_flags { }; #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2 0x3082 +#define DEVICE_ID_THINKPAD_THUNDERBOLT4_DOCK_GEN1 0x8153 +#define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3 0x3062 +#define DEVICE_ID_THINKPAD_USB_C_DONGLE 0x720c #define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2 0xa387 struct tally_counter { @@ -9644,10 +9647,19 @@ static int rtl8152_probe(struct usb_interface *intf, if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) { switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3: + case DEVICE_ID_THINKPAD_USB_C_DONGLE: case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2: case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2: tp->lenovo_macpassthru = 1; } + } + else if ((le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_REALTEK) && + (le16_to_cpu(udev->parent->descriptor.idVendor) == VENDOR_ID_LENOVO)) { + switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_THUNDERBOLT4_DOCK_GEN1: + tp->lenovo_macpassthru = 1; + } } if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial && -- 2.30.2