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Date:   Thu, 12 May 2022 06:13:00 +0200
From:   Greg KH <greg@...ah.com>
To:     David Ober <dober6023@...il.com>
Cc:     linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        davem@...emloft.net, hayeswang@...ltek.com, aaron.ma@...onical.com,
        markpearson@...ovo.com, dober@...ovo.com
Subject: Re: [PATCH v3] net: usb: r8152: Add in new Devices that are
 supported for Mac-Passthru

On Wed, May 11, 2022 at 03:30:15PM -0400, David Ober wrote:
> 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 <dober6023@...il.com>
> ---
>  drivers/net/usb/r8152.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
> index c2da3438387c..482f54625411 100644
> --- a/drivers/net/usb/r8152.c
> +++ b/drivers/net/usb/r8152.c
> @@ -771,6 +771,8 @@ enum rtl8152_flags {
>  };
>  
>  #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2	0x3082
> +#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 +9646,18 @@ 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 0x8153:
> +			tp->lenovo_macpassthru = 1;
> +		}
>  	}
>  
>  	if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial &&
> -- 
> 2.30.2
> 

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
kernel tree.

You are receiving this message because of the following common error(s)
as indicated below:

- This looks like a new version of a previously submitted patch, but you
  did not list below the --- line any changes from the previous version.
  Please read the section entitled "The canonical patch format" in the
  kernel file, Documentation/SubmittingPatches for what needs to be done
  here to properly describe this.

If you wish to discuss this problem further, or you have questions about
how to resolve this issue, please feel free to respond to this email and
Greg will reply once he has dug out from the pending patches received
from other developers.

thanks,

greg k-h's patch email bot

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