summaryrefslogblamecommitdiff
path: root/arch/powerpc/kernel/msi.c
blob: 3bb7d3dd28be9e20d6e013127426e8c9c96e4861 (plain) (tree) 
df87ef5508b4 ^




































1c21a2937b1f ^

df87ef5508b4 ^

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

37

38




































                                                                           
                                      
 
/*
 * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/msi.h>

#include <asm/machdep.h>

int arch_msi_check_device(struct pci_dev* dev, int nvec, int type)
{
	if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) {
		pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
		return -ENOSYS;
	}

	if (ppc_md.msi_check_device) {
		pr_debug("msi: Using platform check routine.\n");
		return ppc_md.msi_check_device(dev, nvec, type);
	}

        return 0;
}

int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
	return ppc_md.setup_msi_irqs(dev, nvec, type);
}

void arch_teardown_msi_irqs(struct pci_dev *dev)
{
	ppc_md.teardown_msi_irqs(dev);
}