mediatek: make sure MMC is not busy before commencing sysupgrade

[openwrt/openwrt.git] / target / linux / mediatek / mt7622 / base-files / lib / upgrade / platform.sh

diff --git a/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh b/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
index 0cdd8df8f99ef7981c391d6898b99b1606711b87..513741d6672863a0458acc179dae16c6893c79f7 100755 (executable)
--- a/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
+++ b/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
@@ -12,6 +12,7 @@ platform_do_upgrade() {
                export_partdevice rootdev 0
                case "$rootdev" in
                mmc*)
+                       blockdev --rereadpt /dev/$rootdev || return 1
                        local fitpart=$(get_partition_by_name $rootdev "production")
                        [ "$fitpart" ] || return 1
                        dd if=/dev/zero of=/dev/$fitpart bs=4096 count=1 2>/dev/null