#!/bin/ash
#
# "coldplug" ensures every hardware device present has its driver loaded,
# even if its hotplug event was ignored since it was too early in system
# startup for hotplug processing to work.  Loading the driver will cause
# another hotplug event that will lead to /dev node creation.
#
# Run this during system startup shortly after /dev has been initialized
# using udevstart.

if [ ! -d /sys/devices ]
then
	exit 1
fi

# "new style" kernel hotplug has module-init-tools do the thinking
cd /sys/devices
for DIR in $(find . -type d)
do
	if [ -f $DIR/modalias -a ! -f $DIR/driver ]
	then
		modprobe -q $(cat $DIR/modalias)
	fi
done

# FIXME will MODULE_ALIAS("name.*") work for "name.3" devices?
cd /sys/devices/platform
for DEV in *
do
	if [ ! -L $DEV/driver ]
	then
		# some platform drivers will need a MODULE_ALIAS()
		modprobe -q $DEV
	fi
done

# REVISIT pcmcia doesn't yet have "modalias" files
if [ -d /sys/bus/pcmcia/devices ]
then
	cd /sys/bus/pcmcia/devices
	for F in *
	do
		modprobe -q $(pcmcia-modalias $F)
	done
fi