linux-kernel - Re: MSI interrupts and disable

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Date:	Sun, 14 Oct 2007 09:15:35 +0200
From:	Manfred Spraul <manfred@...orfullife.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Jeff Garzik <jgarzik@...ox.com>,
	Ayaz Abdulla <aabdulla@...dia.com>,
	nedev <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: MSI interrupts and disable_irq

Yinghai Lu wrote:
> On 10/13/07, Manfred Spraul <manfred@...orfullife.com> wrote:
>   
>> Someone around with a MSI capable board? The forcedeth driver does
>>     dev->irq = pci_dev->irq
>> in nv_probe(), especially before pci_enable_msi().
>> Does pci_enable_msi() change pci_dev->irq? Then we would disable the
>> wrong interrupt....
>>     
>
> the request_irq==>setup_irq will make dev->irq = pci_dev->irq.
>
>   
Where is that?
Otherwise I would propose the attached patch. My board is not 
MSI-capable, thus I can't test it myself.

--
    Manfred

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