Subject: [Fwd: [ACPI] How to control IRQ polarities on PCI devices?]
From: =?ISO-8859-1?Q?S=E9rgio?= Monteiro Basto <sergiomb@netcabo.pt>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: acpi-devel <acpi-devel@lists.sourceforge.net>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8BIT
Date: 26 Jul 2003 18:45:11 +0100
Message-Id: <1059241512.1585.16.camel@darkstar.portugal>
Mime-Version: 1.0
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1221
Lines: 35

Hi
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 
-- 
S?rgioMB
email: sergiomb@netcabo.pt

Who gives me one shell, give me everything.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/