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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Karsten Wiese <annabellesgarden@yahoo.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH,RFC] quirks for VIA VT8237 southbridge
Date: Thu, 18 Aug 2005 14:57:57 +0100	[thread overview]
Message-ID: <1124373477.16072.3.camel@localhost.localdomain> (raw)
In-Reply-To: <200508181436.54880.annabellesgarden@yahoo.de>

On Iau, 2005-08-18 at 14:36 +0200, Karsten Wiese wrote:
> Solutions: either calculate correct new_irq (= PIN-Number & 0x0F)
>  or don't apply likely wrong value.
> 
> Following diff takes the 2nd way.
> 
> Well, VT8237 ignores the wrong new_irq in IOAPIC-Mode,
> but its irritating to see dmesg print out nonsense then. 

The docs and my poking around with a later board seem to imply you need
to set the IRQ value > 15 to get it to the IO-APIC. The data sheet
doesn't seem clear if you need to set it all up by hand or if ACPI does
it.


      reply	other threads:[~2005-08-18 13:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-13 15:10 [PATCH,RFC] quirks for VIA VT8237 southbridge Karsten Wiese
2005-08-13 16:04 ` Grant Coady
2005-08-13 16:34   ` Karsten Wiese
2005-08-13 16:41   ` Jeff Garzik
2005-08-13 21:06     ` Grant Coady
2005-08-15 22:31 ` Bjorn Helgaas
2005-08-16 15:26   ` Karsten Wiese
2005-08-16 15:49     ` Bjorn Helgaas
2005-08-16 17:20       ` Alan Cox
2005-08-18 12:36         ` Karsten Wiese
2005-08-18 13:57           ` Alan Cox [this message]

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