From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sun, 28 Jan 2007 19:42:52 +0000 (-0700)
Subject: msi: Kill msi_lookup_irq
X-Git-Tag: v2.6.21-rc1~92^2~28^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ded86d8d37736df67ddeec4ae00e2ec1a5a90b3c;p=pandora-kernel.git

msi: Kill msi_lookup_irq

The function msi_lookup_irq was horrible.  As a side effect of running
it changed dev->irq, and then the callers would need to change it
back.  In addition it does a global scan through all of the irqs,
which seems to be the sole justification of the msi_lock.

To remove the neede for msi_lookup_irq I added first_msi_irq to struct
pci_dev.  Then depending on the context I replaced msi_lookup_irq with
dev->first_msi_irq, dev->msi_enabled, or dev->msix_enabled.

msi_enabled and msix_enabled were already present in pci_dev for other
reasons.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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