[PATCH 2/4] mediatek: fix writing bananapi bpi-r64 env

[Oskari Lemmela]

use generic function to get env partition

Fixes: 7043e4334f0 ("mediatek: mt7622: improve sysupgrade on MMC")
Signed-off-by: Oskari Lemmela <oskari at lemmela.net>
---
 package/boot/uboot-envtools/files/mediatek | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/package/boot/uboot-envtools/files/mediatek b/package/boot/uboot-envtools/files/mediatek
index 4db1c6ef4d..50269c9500 100644
--- a/package/boot/uboot-envtools/files/mediatek
+++ b/package/boot/uboot-envtools/files/mediatek
@@ -18,9 +18,10 @@ case "$board" in
 	ubootenv_add_uci_config "/dev/ubi0_1" "0x0" "0x1f000" "0x1f000" "1"
 	;;
 "bananapi,bpi-r64")
-	. /lib/upgrade/platform.sh
-	local rootdev=$(get_rootdev)
-	local envdev=/dev/$(get_partition $rootdev ubootenv)
+	. /lib/upgrade/common.sh
+	export_bootdevice
+	export_partdevice rootdev 0
+	local envdev=/dev/$(get_partition_by_name $rootdev ubootenv)
 	ubootenv_add_uci_config "$envdev" "0x0" "0x80000" "0x80000" "1"
 	ubootenv_add_uci_config "$envdev" "0x80000" "0x80000" "0x80000" "1"
 	;;
-- 
2.25.1