netdev - Re: [PATCH] igb: fix legacy mode irq issue

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Date:	Wed, 20 Feb 2008 11:50:59 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Auke Kok <auke-jan.h.kok@...el.com>
CC:	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	andy@...yhouse.net
Subject: Re: [PATCH] igb: fix legacy mode irq issue

Auke Kok wrote:
> From: Andy Gospodarek <andy@...yhouse.net>
> 
> I booted an igb kernel with the option pci=nomsi and instantly noticed
> that interrupts no longer worked on my igb device.  I took a look at the
> interrupt initialization and quickly discovered a comment stating:
> 
> "DO NOT USE EIAME or IAME in legacy mode"
> 
> It seemed a bit odd that bits to enable IAM were being set in legacy
> interrupt mode, so I dropped out the following parts and interrupts
> began working fine again.
> 
> [Updated code flow and a nitpick spelling error --Auke]
> 
> Signed-off-by: Andy Gospodarek <andy@...yhouse.net>
> Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>

applied


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