# search modules for pci devices
get_pci_modules () {
    while read IGNORE ID IGNORE
    do
        VENDOR=`echo $ID | cut -b1-4`
        DEVICE=`echo $ID | cut -b5-8`
        DEVENTRY=`echo 0x0000${VENDOR} 0x0000${DEVICE}`
        cat /lib/modules/`uname -r`/*.pcimap | grep "$DEVENTRY" | cut -d ' ' -f1
    done
}
 
for MODULE in `get_pci_modules < /proc/bus/pci/devices | sort -u` ; do
    echo $MODULE 
done