class/20-hwdetect.source

   1 #! /bin/bash
   2
   3 # (c) Thomas Lange, 2002-2009, lange@informatik.uni-koeln.de
   4
   5 # NOTE: Files named *.source will be evaluated, but their output ignored. Instead
   6 # the contents of $newclasses will be added to the list of defined classes.
   7
   8 [ $do_init_tasks -eq 1 ] || return 0 # Do only execute when doing install
   9
  10 echo 0 > /proc/sys/kernel/printk
  11
  12 # load all IDE drivers
  13
  14 # DMA does not work if we load all modules in drivers/ide, so only try pci modules
  15 if [ -d /lib/modules/$(uname -r)/kernel/drivers/ide/pci ] ; then
  16     mod=$(find /lib/modules/$(uname -r)/kernel/drivers/ide/pci -type f | sed 's/\.ko$//' | sed 's/.*\///')
  17     for i in $mod; do
  18         modprobe $i 1>/dev/null 2>&1
  19     done
  20 fi
  21
  22 # Booting from CD does not always enable DMA.
  23 for d in $( echo /proc/ide/hd[a-z] 2>/dev/null); do
  24     [ -d $d ] && echo "using_dma:1" > $d/settings
  25 done
  26
  27 # load additional kernel modules
  28 kernelmodules="usbkbd ide-disk"
  29 case $(uname -r) in
  30     2.6*) kernelmodules="$kernelmodules mptspi dm-mod md-mod aes dm-crypt" ;;
  31 esac
  32
  33 for mod in $kernelmodules; do
  34     [ "$verbose" ] && echo loading kernel module $mod
  35     modprobe -a $mod 1>/dev/null 2>&1
  36 done
  37
  38 # let discover do most of the job
  39 #[ -x /sbin/discover-modprobe ] && /sbin/discover-modprobe
  40
  41 # now we can mount the USB filesystem
  42 mount -t usbfs  usbfs /proc/bus/usb
  43
  44 modprobe -a sd_mod sr_mod
  45
  46 echo $printk > /proc/sys/kernel/printk
  47
  48 set_disk_info  # calculate number of available disks
  49 save_dmesg     # save new boot messages (from loading modules)
  50