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    SubjectRe: Cardbus Bridge no IRQ in 2.4.6
    On Sun, Jul 15, 2001 at 02:58:30PM +0200, Michael Stiller wrote:
    > i have a PCI Cardbus Bridge which is getting no interrupt from
    > the bios and during kernel boot. Is it possible to use the card anyway ?
    > Maybe assign an interrupt manually ?
    >
    > The details:
    >
    > kernel 2.4.6 smp machine
    >
    > device in question:
    >
    > 00:0e.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller
    > (rev 01)
    > Subsystem: SCM Microsystems: Unknown device 3000
    > Flags: bus master, medium devsel, latency 168
    > Memory at 20000000 (32-bit, non-prefetchable) [size=4K]
    > Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
    > Memory window 0: 20400000-207ff000 (prefetchable)
    > Memory window 1: 20800000-20bff000
    > I/O window 0: 00001000-000010ff
    > I/O window 1: 00001400-000014ff
    > 16-bit legacy interface ports at 0001

    Let me guess: a Lucent Orinico PCI adapter, right? It should work with
    linux-2.4.6, I submitted a patch for 2.4.6-pre8 (or so) and it is
    included in linux-2.4.6. I currently have it working on two non-SMP
    systems (ALi 1541 and Intel 440FX chipsets).

    > I enabled DEBUG in pci-i386.h and get the following messages:

    [snip spooky PCI debug I don't understand anyway]

    > Any clues ? Should i send more details ? If yes, which ones ?

    Make sure that the Cardbus driver is not a module. IOW: your kernel
    configuration should have these lines:

    #
    # PCMCIA/CardBus support
    #
    CONFIG_PCMCIA=y
    CONFIG_CARDBUS=y
    # CONFIG_I82365 is not set
    # CONFIG_TCIC is not set


    Erik

    --
    J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
    of Electrical Engineering, Faculty of Information Technology and Systems,
    Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands
    Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl
    WWW: http://www-ict.its.tudelft.nl/~erik/
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