[PATCH v2] USB: serial: option: add Quectel RM500K module support

[Johan Hovold]

On Thu, Jun 23, 2022 at 04:56:44PM +0800, Macpaul Lin wrote:
> Add usb product id of the Quectel RM500K module.
> 
> RM500K provides 2 mandatory interfaces to Linux host after enumeration.
>  - /dev/ttyUSB5: this is a serial interface for control path. User needs
>    to write AT commands to this device node to query status, set APN,
>    set PIN code, and enable/disable the data connection to 5G network.
>  - ethX: this is the data path provided as a RNDIS devices. After the
>    data connection has been established, Linux host can access 5G data
>    network via this interface.
> 
> "RNDIS": RNDIS + ADB + AT (/dev/ttyUSB5) + MODEM COMs
> 
> usb-devices output for 0x7001:

> Co-developed-by: Ballon Shi <ballon.shi at quectel.com>
> Signed-off-by: Ballon Shi <ballon.shi at quectel.com>
> Signed-off-by: Macpaul Lin <macpaul.lin at mediatek.com>
> Cc: stable at vger.kernel.org
> ---
> Change for v2:
>  - Update USB interfaces descriptions in the commit message.
>  - Fix typo, format and contributers in the commit message.
>  - Update PID definition in numeric order.

Thanks for the update. Now applied.

Johan