Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #!/bin/bash
  2 
  3 function makedev () {
  4 
  5         for dev in 0 1 2 3; do
  6                 echo "/dev/$1$dev: char 81 $[ $2 + $dev ]"
  7                 rm -f /dev/$1$dev
  8                 mknod /dev/$1$dev c 81 $[ $2 + $dev ]
  9                 chmod 666 /dev/$1$dev
 10         done
 11 
 12         # symlink for default device
 13         rm -f /dev/$1
 14         ln -s /dev/${1}0 /dev/$1
 15 }
 16 
 17 # see http://roadrunner.swansea.uk.linux.org/v4lapi.shtml
 18 
 19 echo "*** new device names ***"
 20 makedev video 0
 21 makedev radio 64
 22 makedev vtx 192
 23 makedev vbi 224
 24 
 25 #echo "*** old device names (for compatibility only) ***"
 26 #makedev bttv 0
 27 #makedev bttv-fm 64
 28 #makedev bttv-vbi 224
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