1/*
2 * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9
10#include <linux/kernel.h>
11#include <linux/msi.h>
12#include <linux/pci.h>
13
14#include <asm/machdep.h>
15
16int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
17{
18	if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) {
19		pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
20		return -ENOSYS;
21	}
22
23	/* PowerPC doesn't support multiple MSI yet */
24	if (type == PCI_CAP_ID_MSI && nvec > 1)
25		return 1;
26
27	return ppc_md.setup_msi_irqs(dev, nvec, type);
28}
29
30void arch_teardown_msi_irqs(struct pci_dev *dev)
31{
32	ppc_md.teardown_msi_irqs(dev);
33}
34