release/src/router/udev/extras/firmware/firmware.sh

   1 #!/bin/sh -e
   2
   3 FIRMWARE_DIRS="/lib/firmware /usr/local/lib/firmware"
   4
   5 err() {
   6     echo "$@" >&2
   7     if [ -x /bin/logger ]; then
   8         /bin/logger -t "${0##*/}[$$]" "$@"
   9     fi
  10 }
  11
  12 if [ ! -e /sys$DEVPATH/loading ]; then
  13     err "udev firmware loader misses sysfs directory"
  14     exit 1
  15 fi
  16
  17 for DIR in $FIRMWARE_DIRS; do
  18     [ -e "$DIR/$FIRMWARE" ] || continue
  19     echo 1 > /sys$DEVPATH/loading
  20     cat "$DIR/$FIRMWARE" > /sys$DEVPATH/data
  21     echo 0 > /sys$DEVPATH/loading
  22     exit 0
  23 done
  24
  25 echo -1 > /sys$DEVPATH/loading
  26 err "Cannot find  firmware file '$FIRMWARE'"
  27 exit 1