Gadget serial driver support addition

[Hans Petter Selasky]

On 2020-08-25 19:02, GARG Shivam wrote:
> My Device side Linux is getting panic as soon as I attached the USB to FreeBSD. Any view on this?
> 
> If I stopped the enumeration at FreeBSD using command (sysctl hw.usb.disable_enumeration=1), so device side Linux is stopped crashing.
> 
> Can you suggest me some area at device side that might be causing the crash.

Yes, you need to report this to "linux-usb at vger.kernel.org".

If Linux side is crashing it is likely a bug in the Linux gadget USB 
stack that needs to be fixed. Do you have a panic backtrace from Linux?

The crash probably explains why the device is not working!

--HPS