I just compiled the qcserial module which is a driver module for a Gobi USB modem. Now I have a couple of questions.Now I have two files: drivers/usb/serial/qcserial.ko and drivers/usb/serial/qcserial.o which one is the correct driver?Also, as I understand, it will need to go into /lib/modules/3.11.6/kernel/drivers/ but how do I know which sub directories from there onwards?Should I just be able to copy the files over and then load with modprobe qcserial?What I have tried so far:root@ariag25:~# mkdir /lib/modules/3.11.6/kernel/drivers/usb/serialroot@ariag25:~# cp drivers/usb/serial/qcserial.ko /lib/modules/3.11.6/kernel/drivers/usb/serial/root@ariag25:~# ls -l /lib/modules/3.11.6/kernel/drivers/usb/serialtotal 20-rw-r--r-- 1 root root 17921 Jan  1 18:30 qcserial.koroot@ariag25:~# modprobe qcserialFATAL: Module qcserial not found.root@ariag25:~# What am I missing? Do I also need to copy the .o file?From where I compiled it, I have:ls -l drivers/usb/serial/qc*-rw-r--r-- 1 reg reg  3776 Oct 18 18:24 drivers/usb/serial/qcaux.c-rw-r--r-- 1 reg reg  3212 Dec 28 10:14 drivers/usb/serial/qcaux.o-rw-r--r-- 1 reg reg 12577 Oct 18 18:24 drivers/usb/serial/qcserial.c-rw-r--r-- 1 reg reg 17921 Dec 28 10:44 drivers/usb/serial/qcserial.ko-rw-r--r-- 1 reg reg  7743 Dec 28 10:44 drivers/usb/serial/qcserial.mod.c-rw-r--r-- 1 reg reg 11688 Dec 28 10:44 drivers/usb/serial/qcserial.mod.o-rw-r--r-- 1 reg reg  6912 Dec 28 10:44 drivers/usb/serial/qcserial.oedit for Answer 1Ok, I copied my linux-3.11.6-arm.tar into the target's /tmp/. I then executed tar -C / -tvf linux-3.11.6-arm.tar to extract it onto / but after this, I still would get# modprobe qcserialFATAL: Module qcserial not found.I then wondered if the driver gat even copied:# tar -C / -tvf linux-3.11.6-arm.tar | grep qcserial-rw-r--r-- root/root     17921 2013-12-28 13:22 lib/modules/3.11.6/kernel/drivers/usb/serial/qcserial.koso that looks fine, but if I want to ls it, # ls /lib/modules/3.11.6/kernel/drivers/usb/ there's no serial directory within usb/ - why not? What happened?
How can I load a module at runtime?
linux;kernel modules;load
You'll need to create a kernel package (make tar-pkg). Then copy it to your ARM system, for example to /tmp and extract to /. You'll get all driver modules installed into correct folders including proper modules.dep and other files needed to automatically resolve module dependencies.modprobe qcserial should be working then.