[Bugme-new] [Bug 18542] New: No driver for Ricoh 0xE852 xD/MS card reader

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=18542

           Summary: No driver for Ricoh 0xE852 xD/MS card reader
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: Flash/Memory Technology Devices
        AssignedTo: dwmw2 at infradead.org
        ReportedBy: chris2k01 at hotmail.com
        Regression: No


The mtd/nand/r852 driver supports PCI device ID 0x0852, but my laptop has a
Ricoh card reader with device ID 0xE852, for which there doesn't seem to be a
driver.

There are actually four Ricoh devices detected by lspci:
0xE822 is an MMC/SD reader which works fine
0xE230 is something. I don't know what exactly.
0xE852 is the xD (and maybe also MemoryStick?) card reader, at least according
to a poke around in Windows.
0xE832 is a Firewire controller, which is picked up by OHCI but I've never
tested.

I have no idea if the E852 is so similar to the 852 it's as simple as just
adding another PCI ID, or if it's so different it needs a new driver, or what.
Therefore, I haven't yet tested just adding the new PCI ID to the existing
driver, since if it's a substantially different device, I'd rather not destroy
my reader or cards.

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