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gemini: Fix up sysupgrade platform.sh script

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The Storlink reference designs sometimes fail upgrade because
not the entire partition is used, so the size isn't equal to
the actual flash space available for the partition.

Fix this by calculating the actual partition sizes by measuring
across the partition offsets instead.

Link: https://github.com/openwrt/openwrt/pull/21750
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Linus Walleij 2026-01-25 19:01:45 +01:00
parent 42f9b095d6
commit 04bc0b6d3f
1 changed files with 20 additions and 16 deletions
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36
target/linux/gemini/base-files/lib/upgrade/platform.sh
View file

@ -2,18 +2,26 @@ REQUIRE_IMAGE_METADATA=1
MTDSYSFS=/sys/class/mtd
gemini_do_platform_upgrade() {
MTD1OF=`cat ${MTDSYSFS}/mtd1/offset`
MTD2OF=`cat ${MTDSYSFS}/mtd2/offset`
MTD3OF=`cat ${MTDSYSFS}/mtd3/offset`
MTD4OF=`cat ${MTDSYSFS}/mtd4/offset`
MTD1SZ=$((${MTD2OF} - ${MTD1OF}))
MTD2SZ=$((${MTD3OF} - ${MTD2OF}))
MTD3SZ=$((${MTD4OF} - ${MTD3OF}))
ESZ=`cat ${MTDSYSFS}/mtd1/erasesize`
if test ${ESZ} == 131072 ; then
echo "MTD1 has 128kb EB size..."
echo "MTD has 128kb EB size"
else
echo "MTD1 has wrong EB size!"
echo "MTD has wrong EB size!"
fi
NAME=`cat ${MTDSYSFS}/mtd1/name`
SZ=`cat ${MTDSYSFS}/mtd1/size`
KSZ=$(($ESZ * $2))
RSZ=$(($ESZ * $3))
ASZ=$(($ESZ * $4))
NAME=`cat ${MTDSYSFS}/mtd1/name`
if test "x${NAME}" == "xKern" ; then
if test ${SZ} == ${KSZ} ; then
echo "MTD1 OK..."
if test ${MTD1SZ} == ${KSZ} ; then
echo "MTD1 Kern ${MTD1SZ} OK..."
else
echo "MTD1 is wrong size, aborting" >&2
exit 1
@ -23,13 +31,11 @@ gemini_do_platform_upgrade() {
exit 1
fi
NAME=`cat ${MTDSYSFS}/mtd2/name`
SZ=`cat ${MTDSYSFS}/mtd2/size`
RSZ=$(($ESZ * $3))
if test "x${NAME}" == "xRamdisk" ; then
if test ${SZ} == ${RSZ} ; then
echo "MTD2 OK..."
if test ${MTD2SZ} == ${RSZ} ; then
echo "MTD2 Ramdisk ${MTD2SZ} OK..."
else
echo "MTD2 is wrong size, aborting" >&2
echo "MTD2 is at wrong offset, aborting" >&2
exit 1
fi
else
@ -37,13 +43,11 @@ gemini_do_platform_upgrade() {
exit 1
fi
NAME=`cat ${MTDSYSFS}/mtd3/name`
SZ=`cat ${MTDSYSFS}/mtd3/size`
ASZ=$(($ESZ * $4))
if test "x${NAME}" == "xApplication" ; then
if test ${SZ} == ${ASZ} ; then
echo "MTD3 OK..."
if test ${MTD3SZ} == ${ASZ} ; then
echo "MTD3 Application ${MTD3SZ} OK..."
else
echo "MTD3 is wrong size, aborting" >&2
echo "MTD3 is at wrong offset, aborting" >&2
exit 1
fi
else