Re: [PATCH 0/4] USB: serial: add support for multi-interface functions

[Greg KH]

On Tue, Mar 30, 2021 at 04:38:16PM +0200, Johan Hovold wrote:
> A single USB function can be implemented using a group of interfaces and
> this is for example commonly used for Communication Class devices.
>     
> This series adds support for multi-interface functions to USB serial
> core and exports an interface that allows drivers to claim a second
> sibling interface. The interface could easily be extended to allow
> claiming further interfaces if ever needed.
> 
> The final patch uses the new interface to properly claim both the
> control and data interface of Maxlinear/Exar devices.

Looks good, thanks for adding this:

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>