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mvebu: puzzle-m90x: wipe rootfs_data on sysupgrade

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The sysupgrade formware of the Puzzle series is a slightly strange
dual-boot approach while remaining compatible with Marvell's SDK
firmware upgrade binary format -- which happens to be a full-disk
image with GPT partition table. Hence that /lib/upgrade/emmc-puzzle.sh
script is like an exotic disease which results from those decisions,
and as we also want to somehow stay compatible with the IEI-World
stock firmware we got to use it in that same way (we are not
compatible with the QNAP-branded identical hardware device anyway).

Currently, on sysupgrade the result is that one ends up with the old
content of rootfs_data (a GPT partition on those devices) as nothing
ever wipes or in any way re-creates the filesystem there. As a simple
work-around, let's kill the filesystem on rootfs_data so fstools
re-formats it on the next boot.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit d4e8653e1e)
This commit is contained in:
Daniel Golle 2024-01-09 19:54:51 +00:00
parent 817a1cb2bf
commit 5cae98c25d
1 changed files with 2 additions and 0 deletions
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2
target/linux/mvebu/cortexa72/base-files/lib/upgrade/emmc-puzzle.sh
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@ -32,5 +32,7 @@ platform_do_upgrade_emmc() {
v "Writing new UUID to /dev/$diskdev..." v "Writing new UUID to /dev/$diskdev..."
get_image_dd "$1" of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync get_image_dd "$1" of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
dd if=/dev/zero of=$(find_mmc_part rootfs_data) bs=512 count=8
sleep 1 sleep 1
} }