+platform_nand_pre_upgrade() {
+ local board=$(ramips_board_name)
+
+ case "$board" in
+ ubnt-erx)
+ platform_upgrade_ubnt_erx "$ARGV"
+ ;;
+ esac
+}
+
+platform_pre_upgrade() {
+ local board=$(ramips_board_name)
+
+ case "$board" in
+ hc5962|\
+ r6220|\
+ ubnt-erx)
+ nand_do_upgrade "$ARGV"
+ ;;
+ esac
+}
+