MarsSeed [1] filed a deletion request for linux-rkbsp-joshua-git [2]: Abandoned aarch64-only package. Kernel for Rockchip ARM hardware; does not support the x86_64 architecture, and in turn, Arch Linux.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/linux-rkbsp-joshua-git/
