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* [Fwd: [ACPI] How to control IRQ polarities on PCI devices?]
@ 2003-07-26 17:45 Sérgio Monteiro Basto
  0 siblings, 0 replies; only message in thread
From: Sérgio Monteiro Basto @ 2003-07-26 17:45 UTC (permalink / raw)
  To: Linux Kernel Mailing List; +Cc: acpi-devel

I think this questions in not only ACPI related, and should be asked in
kernel mailing list so...

-----Forwarded Message-----
> Hi, I've just tested what Windows XP programs my IO-APIC to with my wavelan 
> card (using Softice to interrogate the IO-APIC by hand :)
> It turns out that with my latest patch, I am programming the IO-APIC the same 
> way it is set up under windows.
> Thing is, the IO-APIC is set up to active high, level trigger. This is how it 
> is setup under windows as well (the device works under windows).
> I'm assuming the device is by default expecting PCI standard IRQs which are 
> active LOW, level polarity... which is why I either get no IRQs, or lots of 
> rubbish ones.
> Is there a standard way of controlling the polarity of IRQs generated by PCI 
> devices? This looks like the last issue to be resolved under linux.
Please CC me 

Who gives me one shell, give me everything.

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2003-07-26 17:45 [Fwd: [ACPI] How to control IRQ polarities on PCI devices?] Sérgio Monteiro Basto

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