Hello Chetan, On Tue, Jun 8, 2021 at 8:09 PM M Chetan Kumar <m.chetan.kumar@xxxxxxxxx> wrote: [skipped] > +/dev/wwan0p3MBIM character device > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > +The driver exposes an MBIM interface to the MBIM function by implementing > +MBIM WWAN Port. The userspace end of the control channel pipe is a > +/dev/wwan0p3MBIM character device. Application shall use this interface for > +MBIM protocol communication. A one nitpick. Since f458709ff40b ("net: wwan: core: make port names more user-friendly") the first device MBIM control port will be /dev/wwan0mbim0. If you plan to send a next version, please update the port name in the documentation. -- Sergey