Re: PCI problem with RICOH RL5C475 PCI/PCMCIA adapter, on 2.4.26

[Andrew McGregor]

--On Wednesday, 28 April 2004 6:33 p.m. +0200 Vanja Hrustic 
<vanja@xxxxxxxxx> wrote:

> I have PCI-PCMCIA adapter (Ricoh RL5C475 based) in a desktop machine.
>
> Initially, I had problems making it work, but managed to get help on
> comp.os.linux.portable. Now, most of the cards work okay.
>
> However, I still have one wireless PCMCIA card (Prism GT based) which
> doesn't work, and was advised to post the problem here.
>
> Dave (from comp.os.linux.portable) said:
>
> "This part is a tricky one.  It is a bug in the kernel's PCI resource
> allocation code.  It tries to allocate CardBus memory resources from
> whatever memory ranges happened to be allocated for the bridge device
> by the BIOS at power-up time; but in this case, those memory windows
> are too small.  There isn't a simple fix for this and I don't have a
> good suggestion for what to do about it; you can report it on the
> linux-kernel mailing list."

Ok, so I see the same thing with a Ricoh PC104+ to Cardbus adaptor on a 
little industrial PC, except I'm using an Atheros-based wireless card 
instead.  I get this with 2.4.25:

01:00.0 Class 0200: 168c:0013 (rev 01)
       Subsystem: 1186:3202
       Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Step
ping- SERR- FastB2B-
       Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort
- <MAbort- >SERR- <PERR-
       Interrupt: pin A routed to IRQ 12
       Region 0: [virtual] Memory at d5120000 (32-bit, non-prefetchable) 
[size=
8K]
       Capabilities: [44] Power Management version 2
               Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot
-,D3cold-)
               Status: D0 PME-Enable- DSel=0 DScale=2 PME-


cs: cb_alloc(bus 1): vendor 0x168c, device 0x0013
PCI: Failed to allocate resource 0(d5120000-d5121fff) for 01:00.0
PCI: Enabling device 01:00.0 (0000 -> 0002)

Again, any assistance greatly appreciated, and I'll test any proposed 
patches.

Andrew

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