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fwupdater initramfs: intelligently wait for sdcard up to 10s

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This commit is contained in:
Calin Crisan 2017-06-05 21:29:07 +03:00
parent 5d570f6333
commit a67184be15
1 changed files with 16 additions and 5 deletions
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19
board/common/overlay-initramfs/init
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@ -1,14 +1,12 @@
#!/bin/sh #!/bin/sh
PATH=/bin:/sbin:/usr/bin:/usr/sbin PATH=/bin:/sbin:/usr/bin:/usr/sbin
DISK_TIMEOUT="10"
msg() { msg() {
echo " * $1" echo " * $1"
} }
msg "Waiting for sdcard"
sleep 2
msg "Mounting pseudo filesystems" msg "Mounting pseudo filesystems"
mount -t devtmpfs devtmpfs /dev mount -t devtmpfs devtmpfs /dev
mount -t proc proc /proc mount -t proc proc /proc
@ -24,12 +22,24 @@ else # e.g. /dev/sdc2
DATA_DEV=${DISK_DEV}3 DATA_DEV=${DISK_DEV}3
fi fi
msg "Waiting for sdcard"
count=0
while true; do
if [ $count -ge $DISK_TIMEOUT ]; then
break
fi
if [ -b $ROOT_DEV ]; then
break
fi
count=$(($count + 1))
sleep 1
done
msg "Disk device is $DISK_DEV" msg "Disk device is $DISK_DEV"
msg "Boot device is $BOOT_DEV" msg "Boot device is $BOOT_DEV"
msg "Root device is $ROOT_DEV" msg "Root device is $ROOT_DEV"
msg "Data device is $DATA_DEV" msg "Data device is $DATA_DEV"
FW_DIR=/data/.fwupdate FW_DIR=/data/.fwupdate
FW_FILE=firmware.img.gz FW_FILE=firmware.img.gz
FW_FILE_EXTR=firmware.img FW_FILE_EXTR=firmware.img
@ -101,3 +111,4 @@ dd if=$FW_DIR/$FW_FILE_EXTR skip=$root_start of=$ROOT_DEV bs=1048576 count=$root
msg "Cleaning up" msg "Cleaning up"
rm -rf $FW_DIR rm -rf $FW_DIR