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Realtech PCI Card Reader HOW TO [solution]
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RayDude
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PostPosted: Wed Feb 20, 2019 6:59 pm    Post subject: Realtech PCI Card Reader HOW TO [solution] Reply with quote

I wanted to post this for anyone who has the same problem as me.

Here is the hardware:

Code:
07:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader (rev 01)
        Subsystem: Hewlett-Packard Company RTS522A PCI Express Card Reader
        Kernel driver in use: rtsx_pci
        Kernel modules: rtsx_pci


This applies to all the realtech family PCI Express Card Readers: RTS5227, RTS5229 and many others.

See here: https://cateee.net/lkddb/web-lkddb/MFD_RTSX_PCI.html

You must enable two modules in the kernel to get this to work.

The first is in: Device Drivers -> Misc devices -> Realtek PCI-E card reader

The second is in: Device Drivers -> MMC/SD/SDIO card support -> Realtek PCI-E SD/MMC Card Interface Driver

The second depends on the first and will not show up until the first is set to Y or M.

It took me several hours to figure this out as I couldn't find any instructions anywhere.

The device mounts as:

Code:
Disk /dev/mmcblk0: 14.9 GiB, 15931539456 bytes, 31116288 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000


Hope this helps someone in the future.
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Bruce
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PostPosted: Sat Feb 23, 2019 6:05 pm    Post subject: Reply with quote

Actually, this helped me. Thanks for the post.

Bruce
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marziods
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Joined: 25 Jun 2009
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PostPosted: Mon Mar 25, 2019 11:29 am    Post subject: Reply with quote

nice job!
tnx...
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clytle374
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PostPosted: Fri Mar 29, 2019 6:01 am    Post subject: Reply with quote

Thanks, you saved me a couple hours
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