This is a module that is meant for Realtek RTS5229 Pcie SDCard readers. The functionality was mainlined around 3.8 with the rtsx-pci module (I know because my machine uses this).
https://aur.archlinux.org/packages/rts5229 https://aur.archlinux.org/packages/rts5229-dkms/ -- Curtis Shimamoto sugar.and.scruffy [at] gmail.com
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