linux-kernel - Re: [RFC PATCH] move tg3 to pci_request

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Message-ID: <20061003224146.GK2785@slug>
Date:	Tue, 3 Oct 2006 22:41:46 +0000
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	linux-kernel@...r.kernel.org, arjan@...radead.org, matthew@....cx,
	alan@...rguk.ukuu.org.uk, akpm@...l.org, rdunlap@...otime.net,
	gregkh@...e.de
Subject: Re: [RFC PATCH] move tg3 to pci_request_irq

On Tue, Oct 03, 2006 at 06:37:43PM -0400, Jeff Garzik wrote:
> Frederik Deweerdt wrote:
> >Hi,
> >This proof-of-concept patch converts the tg3 driver to use the
> >pci_request_irq() function.
> >Please note that I'm not submitting the driver changes, they're there
> >only for illustration purposes. I'll CC the appropriate maintainers
> >when/if an API is agreed upon.
> >Regards,
> >Frederik diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
> >index c25ba27..23660c6 100644
> >Index: 2.6.18-mm3/drivers/net/tg3.c
> >===================================================================
> >--- 2.6.18-mm3.orig/drivers/net/tg3.c
> >+++ 2.6.18-mm3/drivers/net/tg3.c
> >@@ -6853,7 +6853,7 @@ static int tg3_request_irq(struct tg3 *t
> > 			fn = tg3_interrupt_tagged;
> > 		flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
> > 	}
> >-	return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
> >+	return pci_request_irq(tp->pdev, fn, flags, dev->name);
> > }
> >  static int tg3_test_interrupt(struct tg3 *tp)
> >@@ -6866,10 +6866,10 @@ static int tg3_test_interrupt(struct tg3
> >  	tg3_disable_ints(tp);
> > -	free_irq(tp->pdev->irq, dev);
> >+	pci_free_irq(tp->pdev);
> > -	err = request_irq(tp->pdev->irq, tg3_test_isr,
> >-			  IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
> >+	err = pci_request_irq(tp->pdev, tg3_test_isr,
> >+			      IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name);
> 
> IRQF_SHARED flags are still left hanging around...
I did it on purpose (see parent post): some parts of tg3 for example
don't pass IRQF_SHARED, so I though it wasn't a good idea to enforce
IRQF_SHARED in all cases. Did I miss something?

Frederik
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