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df87ef55 ME |
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 | ||
13 | #include <asm/machdep.h> | |
14 | ||
15 | int arch_msi_check_device(struct pci_dev* dev, int nvec, int type) | |
16 | { | |
17 | if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { | |
18 | pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); | |
19 | return -ENOSYS; | |
20 | } | |
21 | ||
22 | if (ppc_md.msi_check_device) { | |
23 | pr_debug("msi: Using platform check routine.\n"); | |
24 | return ppc_md.msi_check_device(dev, nvec, type); | |
25 | } | |
26 | ||
27 | return 0; | |
28 | } | |
29 | ||
30 | int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) | |
31 | { | |
32 | return ppc_md.setup_msi_irqs(dev, nvec, type); | |
33 | } | |
34 | ||
35 | void arch_teardown_msi_irqs(struct pci_dev *dev) | |
36 | { | |
37 | return ppc_md.teardown_msi_irqs(dev); | |
38 | } |