New: Memory card reader does not function [Dell Latitude E6510, Ricoh device]

https://bugzilla.kernel.org/show_bug.cgi?id=16390

           Summary: Memory card reader does not function [Dell Latitude
                    E6510, Ricoh device]
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: MMC/SD
        AssignedTo: [email protected]
        ReportedBy: [email protected]
        Regression: No

Memory card reader reports the following during boot:

[    3.018008] mmc0: Unknown controller version (2). You may experience

problems.

When inserting a Mini-SD card inside an SD-adapter, it is /not/ mounted, and the following appears in the kernel log:

724.044751] mmc0: ADMA error

[  724.046769] mmc0: Got data interrupt 0x02000000 even though no data
operation was in progress.
[  724.046774] sdhci: ============== REGISTER DUMP ==============
[  724.046782] sdhci: Sys addr: 0x00000000 | Version:  0x00000402
[  724.046789] sdhci: Blk size: 0x00007008 | Blk cnt:  0x00000001
[  724.046796] sdhci: Argument: 0x00000000 | Trn mode: 0x00000013
[  724.046803] sdhci: Present:  0x01ff0000 | Host ctl: 0x00000011
[  724.046810] sdhci: Power:    0x0000000f | Blk gap:  0x00000000
[  724.046817] sdhci: Wake-up:  0x00000000 | Clock:    0x00004007
[  724.046824] sdhci: Timeout:  0x0000000a | Int stat: 0x00000000
[  724.046831] sdhci: Int enab: 0x02ff00cb | Sig enab: 0x02ff00cb
[  724.046838] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[  724.046845] sdhci: Caps:     0x21e832b2 | Max curr: 0x00000040
[  724.046852] sdhci: ADMA Err: 0x00000001 | ADMA Ptr: 0x0224a050
[  724.046854] sdhci: ===========================================
[  724.047879] mmc0: error -5 whilst initialising SD card

PCI device info:
04:00.1 SD Host controller [0805]: Ricoh Co Ltd Device [1180:e822] (rev 03) (prog-if 01)
Subsystem: Dell Device [1028:040b]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 19
Region 0: Memory at d5930000 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [78] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME+
Capabilities: [80] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
unlimited, L1 unlimited
ExtTag- AttnBtn+ AttnInd+ PwrInd+ RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr-
TransPend-
LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency
L0 <4us, L1 <64us
ClockPM+ Suprise- LLActRep- BwNot-
LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain-
CommClk+
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Kernel driver in use: sdhci-pci
Kernel modules: sdhci-pci

Hardware:
Dell Latitude E6510 laptop.

Didn't work in default Ubuntu 10.04 2.6.32-based kernel, and still doesn't work in 2.6.35-rc it seems.