#!/bin/sh # Uncomment below to see more logs # set -x EMMC_BLK=`find /sys/block/ -name mmcblk*boot0 | cut -d '/' -f 4 | cut -c 1-7` EMMC_PARTITIONS=`find /sys/class/block/ -name ${EMMC_BLK}"p*" | wc -l` for i in $(seq 1 $EMMC_PARTITIONS) do part_name=`cat /sys/class/block/${EMMC_BLK}"p"${i}/uevent | grep PARTNAME | cut -d '=' -f 2` if [ ${part_name} == "userdata" ]; then umount /dev/${EMMC_BLK}"p"${i} -l fi done /usr/bin/io -4 0xff460000 0x10000