# The SDMA firmware needs to be loaded in order for the kernel to carry out # SPI tranfers with DMA. Such transfers are required when probing the mcp25xxfd # module, so make sure the firmware is loaded before the module is by adding # the appropriate dependencies in this service. [Unit] Description=User Space SDMA Firmware Loading Before=systemd-modules-load.service DefaultDependencies=no [Service] ExecStart=/etc/sdma [Install] WantedBy=sysinit.target