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|
#!/bin/busybox ash
usage() {
printf "usage: %s [add|list|del|action] [subsystem]\n" "$(basename $1)" >&2
exit 1
}
action="list"
if [ $# -gt 0 ];
then
action="$1"
fi
if [ "$action" = "list" ];
then
printf "class:\n"
for i in /sys/class/*;
do
printf "\t%s\n" $(basename $i)
done
printf "bus:\n"
for i in /sys/bus/*;
do
printf "\t%s\n" $(basename $i)
done
printf "devices:\n"
for i in /sys/devices/*;
do
printf "\t%s\n" $(basename $i)
done
exit 0
fi
if [ $# -lt 2 ];
then
usage "$0"
fi
subsystem="$2"
if [ "$subsystem" != "all" ];
then
if [ -d /sys/class/$subsystem ];
then
for i in /sys/class/$subsystem/*/uevent;
do
echo $action > $i
done
exit 0
fi
if [ -d /sys/bus/$subsystem ];
then
for i in /sys/bus/$subsystem/devices/*/uevent;
do
echo $action > $i
done
exit 0
fi
if [ -d /sys/devices/$subsystem ];
then
for i in /sys/devices/$subsystem/*/uevent \
/sys/devices/$subsystem/*/*/uevent;
do
echo $action > $i
done
exit 0
fi
printf "Could not find subsystem '%s'.\n" $i >&2
exit 1
fi
for i in /sys/class/*/*/uevent;
do
echo $action > $i
done
exit 0
|
