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SubjectRe: sharing interrupt between PCI device
Nobin Mathew wrote:
> Hi,
>
> I think this question is already asked in this mailing list and Sorry
> for asking this again.
>
> My problem is this:
>
> I have two PCI devices ( also two kernel drivers for those) which
> shares the interupt. When I remove one driver other device stops
> working, which is happening due to pci_disable_device () in removed
> driver. This call is disabling the shared interrupt.

pci_disable_device shouldn't be disabling the interrupt line, at least
not in this case. Without more details on the platform or drivers, it's
difficult to say why this would happen.

>
> We can avoid this by just removing the pci_disable_device () in the
> driver, but i dont think this is a good way (correct me if I am
> wrong).
>
> Can you suggest some ways to overcome this issue.



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