on Sparky (ubuntu 12.04 image) compile driver modules , steps explained below.

login as root

Download latest updates.

apt-get update

#***************************** note: if the sd card not fully configured use parted (version 3.2) tool to resize the partition. check df -h ,on 8GB sd card size should show above 7GB.

parted /dev/mmcblk0

(parted)resizepart 2

warning:partition /dev/mmcblk0p2 is being used. Are you sure you want to continue?

yes/No?yes

End? [7xGB]? -1

(parted)q

reboot the board and on terminal enter the command

root@sparky#resize2fs /dev/mmcblk0p2/ .. The filesystem on /dev/mmcblk0p2 is now xxxxxx blocks long

root@sparky#df -h

#*********************************************** Refer Module-build-sparky.pdf

Download linux kernel source, this is needed to compile the driver module.

cd /usr/src

git clone https://github.com/sparkysbc/Linux.git

sudo rm /lib/modules/uname -r/build

sudo rmi /lib/modules/uname -r/source

sudo ln -s /usr/src/Linux /lib/modules/uname -r/build

cd Linux

Prepare the kernel with the current kernel config from the running system

make mrproper

or download the same from below links

wget https://raw.githubusercontent.com/sparkysbc/Module_build/master/.config

(current config available on /boot/)

Download the module symbols of the current kernel.

wget https://raw.githubusercontent.com/sparkysbc/Module_build/master/Module.symvers

make modules_prepare

#*******************************