Card reader: O2Micro 8520 [1217:8520] does not work on Precise

[Po-Hsu Lin]

CID: 201306-13688 Dell Latitude E6440

Steps:
1. Install 12.04.3 + update (3.2.0-56) and boot to desktop
2. Insert a SD card

Expected result:
SD card will be mounted automatically.

Actual result:
Nothing happened.

Error message could be found in dmesg,
it seems that there something wrong with the driver:
[ 3.892434] sdhci-pci 0000:0e:00.0: SDHCI controller found [1217:8520] (rev 1)
[ 3.892464] sdhci-pci 0000:0e:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 3.892468] sdhci-pci 0000:0e:00.0: Invalid iomem size. You may experience problems.
[ 3.892506] mmc0: Unknown controller version (3). You may experience problems.
[ 3.892516] sdhci-pci 0000:0e:00.0: setting latency timer to 64

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-56-generic 3.2.0-56.86
ProcVersionSignature: Ubuntu 3.2.0-56.86-generic 3.2.51
Uname: Linux 3.2.0-56-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 1: PCH [HDA Intel PCH], device 0: ALC292 Analog [ALC292 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 1: PCH [HDA Intel PCH], device 0: ALC292 Analog [ALC292 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: ubuntu 1588 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf7d34000 irq 43'
   Mixer name : 'Generic 0000 ID 0'
   Components : 'HDA:00000000,80860101,00100000'
   Controls : 0
   Simple ctrls : 0
Card0.Amixer.values:

Card1.Amixer.info:
 Card hw:1 'PCH'/'HDA Intel PCH at 0xf7d30000 irq 43'
   Mixer name : 'Realtek ALC292'
   Components : 'HDA:10ec0292,102805bd,00100001'
   Controls : 19
   Simple ctrls : 10
Date: Thu Nov 14 00:04:38 2013
HibernationDevice: RESUME=UUID=aeb30de4-c85d-4d93-874d-8f06ce1303b2
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
MachineType: Dell Inc. Latitude E6440
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-56-generic root=UUID=3cde48ea-3225-4afa-b02b-584a672a94e4 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.2.0-56-generic N/A
 linux-backports-modules-3.2.0-56-generic N/A
 linux-firmware 1.79.7
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/03/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: X23
dmi.board.name: 02P3T1
dmi.board.vendor: Dell Inc.
dmi.board.version: X03
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrX23:bd07/03/2013:svnDellInc.:pnLatitudeE6440:pvr01:rvnDellInc.:rn02P3T1:rvrX03:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.

[Brad Figg (brad-figg)]

This change was made by a bot.

[Anthony Wong (anthonywong)]

This is a known issue and we have been working with O2 micro to help them upstream their driver. This issue has been tracking in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1239938.