Herbert Rosmanith wrote:

> hi,
>
> I've been trying to get a CompactFlash act as an IDE-drive, 2nd or 3rd
> ide-channel, that is, IDE1 or IDE2 resp. Didn't work. Seems to be driver
> related.
>
> I downloaded 2.4.18 and pcmcia-3.1.31, from the later I got "ide_cs.o"
>
> The hardware I am using a a two socket PCI to PCMCIA bridge:
>
> hale-bopp:~ # cat /proc/interrupts
> [...]
>  10:          1          XT-PIC  Texas Instruments PCI1221, Texas Instruments PCI1221 (#2)
> ...
>    : hde: SanDisk SDCFB-16, ATA DISK drive
>    : ide2: Disabled unable to get IRQ 10.
>   ...
>    : ide_cs: ide_register() at 0x100 & 0x10e, irq 10 failed
>    : Trying to free nonexistent resource <00000100-0000010f>
>
> "unable to get IRQ 10" is somewhat funny, since IRQ-10 is used by
> the cardbus device. what I don't understand is if the IDE-drive
> sould get its own interrupt or not.

With PCI-PCMCIA bridges you only have _one_ PCI irq, but linux
falsely fails to share irq in this case.

This patch exists since 6 months but due to communiation problems
between Linux and IDE maintainer nobody cared to include it.

Find my patch for 2.4.15 appended.
-
Gunther