[Unit]
Description=Qualcomm TFTP server
After=comma-init.service

[Service]
Type=simple
ExecStartPre=/bin/sh -c 'while [ ! -e /data/persist/rfs ]; do sleep 0.1; done'
ExecStart=/usr/sbin/tftp_server
Restart=on-failure

[Install]
WantedBy=multi-user.target