Hi Wolfram, going back to an old thread from March: https://lkml.org/lkml/2011/3/18/433 Background: Luis had problems with ath6kl (driver for ar6003 wifi chip using sdio) and PCI ENE 712 SDIO extender and he had to use few ugly patches to get it working. Later this year I inherited all this. I have been using the hack patches until now but finally I started debugging this and I can provide more information. On 03/30/2011 10:47 AM, Wolfram Sang wrote: > >> I just tried this, it does not work, in fact my own my patches don't work too, >> only the original crap does though for some odd magical reason. >> >> Then again, what I tried was: >> >> insmod ./sdhci.ko debug_quirks=0x8028 >> >> Was that what you wanted me to try? > > Yes. I assume this would have helped also (assuming that the original > patchset was working), but looks like more investigation is needed. I tried 0x8028 as well and it didn't help. But what I noticed was that enabling SDHCI_QUIRK_FORCE_1_BIT_DATA with 0x00400038 makes it work. Also I did some debugging on the hack patches and found out that the hack patch below also makes ath6kl work with my ENE card. As suspected, rest of the changes from the patches Luis sent were not needed. http://www.valot.fi/kalle/tmp/sdhci-ene/sdhci-ene-idle-1bit-1.patch So only needed change was to force 1 bit mode while the bus is idle. Any ideas what would be the best way to fix this? I'm currently using 3.1.0-rc2-wl+ from ath6kl.git which is based on wireless-testing on an x86 32bit box. I can provide more information and logs. >> 03:0a.1 0805: 1524:0750 > > Okay, so you have PCI_DEVICE_ID_ENE_CB714_SD and not > PCI_DEVICE_ID_ENE_CB714_SD_2 (just in case they need to be dealt > differently). This is the device I have, it should be similar (if not the same) as Luis': 03:02.1 SD Host controller [0805]: ENE Technology Inc ENE PCI SmartMedia / xD Card Reader Controller [1524:0750] (prog-if 01) Subsystem: ENE Technology Inc ENE PCI SmartMedia / xD Card Reader Controller [1524:0750] Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Interrupt: pin A routed to IRQ 19 Region 0: Memory at febff800 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: sdhci-pci 00: 24 15 50 07 02 00 10 02 00 01 05 08 08 40 80 00 10: 00 f8 bf fe 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 24 15 50 07 30: 00 00 00 00 80 00 00 00 00 00 00 00 05 01 20 48 >>> And does it make a difference if you use the SDIO-WLAN card or a standard SD >>> memory card? >> >> Um, I don't have physical access to the box, Naveen or Vipin would have to >> test this. > > Might be worth. I tried with my 1GB SD card from my camera and oddly enough I didn't see any new devices in /dev/sd*. But I don't know if I was missing some important kernel config options, I have used this ENE card only with ath6kl. I will retest this later. Kalle -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
