--- /dev/null
+#!/bin/sh
+#inspired by http://art.ubuntuforums.org/showpost.php?p=9744970&postcount=19
+#...and http://thecodecentral.com/2011/01/18/fix-ubuntu-10-10-suspendhibernate-not-working-bug
+# tidied by tqzzaa :)
+
+VERSION=1.1
+DEV_LIST=/tmp/usb-dev-list
+DRIVERS_DIR=/sys/bus/pci/drivers
+DRIVERS="ehci xhci" # ehci_hcd, xhci_hcd
+HEX="[[:xdigit:]]"
+MAX_BIND_ATTEMPTS=2
+BIND_WAIT=0.1
+
+unbindDev() {
+ echo -n > $DEV_LIST 2>/dev/null
+ for driver in $DRIVERS; do
+ DDIR=$DRIVERS_DIR/${driver}_hcd
+ for dev in `ls $DDIR 2>/dev/null | egrep "^$HEX+:$HEX+:$HEX"`; do
+ echo -n "$dev" > $DDIR/unbind
+ echo "$driver $dev" >> $DEV_LIST
+ done
+ done
+}
+
+bindDev() {
+ if [ -s $DEV_LIST ]; then
+ while read driver dev; do
+ DDIR=$DRIVERS_DIR/${driver}_hcd
+ while [ $((MAX_BIND_ATTEMPTS)) -gt 0 ]; do
+ echo -n "$dev" > $DDIR/bind
+ if [ ! -L "$DDIR/$dev" ]; then
+ sleep $BIND_WAIT
+ else
+ break
+ fi
+ MAX_BIND_ATTEMPTS=$((MAX_BIND_ATTEMPTS-1))
+ done
+ done < $DEV_LIST
+ fi
+ rm $DEV_LIST 2>/dev/null
+}
+
+case "$1" in
+ hibernate|suspend) unbindDev;;
+ resume|thaw) bindDev;;
+esac