linux-kernel - Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

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Message-ID: <455C8350.3050309@garzik.org>
Date:	Thu, 16 Nov 2006 10:27:12 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Miller <davem@...emloft.net>, torvalds@...l.org,
	linux-kernel@...r.kernel.org, tiwai@...e.de
Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

Krzysztof Halasa wrote:
> OTOH many devices have "interrupt disable" bit somewhere else, in
> their specific PCI config registers or in regular config registers
> (accessible with normal Memory Read/Write cycles).

Most interrupt-driven devices have an interrupt mask register of some 
sort.  The nice thing about PCI_COMMAND_INTX_DISABLE is that it is 
standardized.

	Jeff


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