Hi,
On Mon, 22 Nov 1999, Christophe Kumsta wrote:
> Hi all,
> Perhaps , is there something I didn't understand,
> But I can't handle PCI IRQs !
>
> For the ISA Irqs, no pb ! all my drivers work well (ISA NE2000 for
> exemple).
> But when I trie to handle PCI Irq, no response !
> ( And I couldn't try the NE2000 PCI driver I've done, but it must be
> idem ... :(
>
> I tried the Irq show at boot by the Bios ... but no response.
> I tried the Irq remapped via the IO_APIC (9->17) but no response too.
>
> I'm sure I forget something !
>
> exemple of my handler is ( I can't do more compressed ;)
>
> void handler(void)
> {
> // do something ...
> rt_pend_linux_irq(dev->irq) ;
> }
>
> int init_module()
> {
> // find the PCI card with pci_find_device ...
> rt_request_global_irq(dev->irq,handler) ;
> ...
> }
>
You mean rtl_pend.... or rtl_request.... Well, besides that the only thing
comes to my mind is that maybe (as it does not appear in you code) you are
missing the call to rtl_hardware_enable_irq() in init_module and at the
end of your rtl handler.
Best,
> when the irq passed in argument is the ISA irq, I don't care of
> IO_APIC remapping of the IRQ and it works.
>
> Hardware:
> ASUS-P2B dual-PentiumIII 450MHz
> 256MB RAM
>
> Testing device : EtherPowerII Ethernet card ( everything is done ...
> just the handling of rx ring with irq do not work... same for tx
> transmit_ok ).
>
>
> --
> Kumsta Christophe
> <[EMAIL PROTECTED]>
> Real-Time System developper
> RT-Linux/RTAI ( Use the Source Luck !)
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Axel,
--
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