hi,
uname -a
Linux colibri-imx6 3.14.28-dirty #1 SMP Thu Apr 21 11:44:37 EEST 2016 armv7l GNU/Linux
lsmod
Module Size Used by
usb_f_rndis 11423 2
u_ether 8980 1 usb_f_rndis
usb_f_acm 4105 2
u_serial 8307 1 usb_f_acm
libcomposite 27288 12 usb_f_acm,usb_f_rndis
configfs 20433 4 usb_f_acm,usb_f_rndis,libcomposite
ls /dev | grep -i "GS"
ttyGS0
ls /lib/modules/
3.14.28-dirty
this commands outputs same with yours.
but ı combine telit gprs modem and toradex board via usb cable.
ı did this operation with my ubuntu pc this is work perfectly and ı connect ttyACM0 than commuınicate with gprs modem . but ı want to make this operation on toradex board. we must activate ttyACMx
I take an error again when I installed colibri default images or my dirty images …
root@colibri-imx6:~# modprobe g_serial
modprobe: ERROR: could not insert 'g_serial': No such device
this is my colibri_imx6_defconfig file
I just change the config file on my kernel with this steps