EC200U linux porting issue on buidroot linux

we are working IoT gateway and we are trying to port the EC200U on Linux(buildroot)
we have changed necessary change on linux kernel and we connected the EC200U to usb host
but only 2 USB comports are detecting but EC200U have total 7 USB comport has to be detected

can you give me resolution ASAP and also can you provide linux porting guide for EC200U


May I ask what driver are you using? I will send you the latest driver to try if it works.
Best wishes

Sorry, I can’t send it to you by email, can you provide another way?

thank you i have made changes according the linux porting guide for EC200U
now its working fine

How can I receive that PDF too? I need to have config kernel to support ec200u