#!/bin/sh # # udev This is a minimal non-LSB version of a UDEV startup script. It # was derived by stripping down the udev-058 LSB version for use # with buildroot on embedded hardware using Linux 2.6.34+ kernels. # # You may need to customize this for your system's resource limits # (including startup time!) and administration. For example, if # your early userspace has a custom initramfs or initrd you might # need /dev much earlier; or without hotpluggable busses (like USB, # PCMCIA, MMC/SD, and so on) your /dev might be static after boot. # # This script assumes your system boots right into the eventual root # filesystem, and that init runs this udev script before any programs # needing more device nodes than the bare-bones set -- /dev/console, # /dev/zero, /dev/null -- that's needed to boot and run this script. # # Check for missing binaries UDEV_BIN=/sbin/udevd test -x $UDEV_BIN || exit 5 # Check for config file and read it UDEV_CONFIG=/etc/udev/udev.conf test -r $UDEV_CONFIG || exit 6 . $UDEV_CONFIG case "$1" in start) printf "Populating %s using udev: " "${udev_root:-/dev}" [ -e /proc/sys/kernel/hotplug ] && printf '\000\000\000\000' > /proc/sys/kernel/hotplug $UDEV_BIN -d || { echo "FAIL"; exit 1; } udevadm trigger --type=subsystems --action=add udevadm trigger --type=devices --action=add udevadm settle --timeout=30 || echo "udevadm settle failed" echo "done" ;; stop) # Stop execution of events udevadm control --stop-exec-queue killall udevd ;; *) echo "Usage: $0 {start|stop}" exit 1 ;; esac exit 0