workaround for linux 3.3 SATA hotplug issue after suspend/resume

linux3.3-sata-fix.sh

#!/bin/bash
# Written by multiple1902 <multiple1902@gmail.com>
#
# workaround for linux 3.3 SATA hotplug issue after suspend/resume
#
# gist page: 
#       https://gist.github.com/2420684
# 
# bug report:
#       https://lkml.org/lkml/2012/2/19/70
#
# inspired by:
#       http://www.spinics.net/lists/linux-ide/msg43225.html
# 

if [ ! $( id -u ) -eq 0 ]; then
    echo "Please enter root's password."
    exec su -c "bash ${0} ${CMDLN_ARGS}"
    exit ${?} 
fi

cd '/sys/devices/pci0000:00/0000:00:1f.2/'
for i in `ls | grep ata`; do
    echo on > $i/power/control;
done

for i in `ls | grep host`; do
    echo on > $i/power/control;
    echo '- - -' > $i/scsi_host/$i/scan;
done