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

From: David Miller
Date: Tue Nov 14 2006 - 23:28:31 EST


From: Jeff Garzik <jeff@xxxxxxxxxx>
Date: Tue, 14 Nov 2006 23:24:04 -0500

> I can't answer for the spec, but at least two independent device vendors
> recommended to write an MSI driver that way (disable intx, enable msi).

Ok.

> Completely independent of MSI though, a PCI 2.2 compliant driver should
> be nice and disable intx on exit, just to avoid any potential interrupt
> hassles after driver unload. And of course be aware that it might need
> to enable intx upon entry.

This also sounds like it should occur in the generic PCI layer when a
PCI driver is unregistered.
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