linux-kernel - Re: [NEW PATCH] VIA IRQ quirk behaviour change

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Message-Id: <1157663265.4075.3.camel@localhost>
Date:	Thu, 07 Sep 2006 23:07:45 +0200
From:	Stian Jordet <liste@...det.net>
To:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
Cc:	Daniel Drake <dsd@...too.org>, Linus Torvalds <torvalds@...l.org>,
	akpm@...l.org, jeff@...zik.org, greg@...ah.com, cw@...f.org,
	bjorn.helgaas@...com, linux-kernel@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, harmon@....edu, len.brown@...el.com,
	vsu@...linux.ru
Subject: Re: [NEW PATCH] VIA IRQ quirk behaviour change

tor, 07,.09.2006 kl. 12.43 +0100, skrev Sergio Monteiro Basto:
> the statment was write by Linus on http://lkml.org/lkml/2005/9/27/113
> my patch don't quirk any device if we are working on IO-APIC,
> Linus simply know if a interrupt is > 15 we are working on IO-APIC and
> just don't quirk irq > 15 
> 
> > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c 
> > > --- a/drivers/pci/quirks.c
> > > +++ b/drivers/pci/quirks.c
> > > @@ -546,7 +546,10 @@ static void quirk_via_irq(struct pci_dev
> > >  {
> > >       u8 irq, new_irq;
> > >  
> > > -     new_irq = dev->irq & 0xf;
> > > +     new_irq = dev->irq;
> > > +     if (!new_irq || new_irq >= 15)
> > > +             return;
> > > +
> > >       pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
> > >       if (new_irq != irq) {

After a quick test tonight, this patch seems to work nicely for me. (I
know I told Linux that it didn't, don't know what's changed). Does this
fix the problems other people is having as well? If so, that would be
nice :)

Thanks.

-Stian

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