Add MODULE_PNP_INFO() to the driver to make it autoload if not linked statically into the kernel
It would be better to reuse the list from main probe function above without duplication. I haven't looked closer into the format string of the macro, but I think it should be possible.
I wonder whether anybody use rtsx as boot device. I know that some systems use MMC cards as one, that is why we have sdhci in GENERIC.