[Unit]
Description=Load the optional Nabu XHCI host after switch-root
ConditionPathExists=!/etc/initrd-release
After=local-fs.target systemd-udevd.service

[Service]
Type=oneshot
# During an RPM upgrade, the running kernel's old module tree may already be
# gone when systemd reloads this unit. Treat that transaction-only state as a
# no-op; a normal boot always has the matching module tree.
ExecStart=/bin/sh -c 'test ! -d /usr/lib/modules/$(uname -r) || exec /usr/sbin/modprobe xhci_plat_hcd'
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target