MarsSeed [1] filed a deletion request for bcm5421-phy-dkms-git [2]: ARM-only Linux driver for the Raspberry Pi 4B (aarch64); not useful on Arch Linux x86_64.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/bcm5421-phy-dkms-git/
