| /* |
| * 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 <linux/pci.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; |
| } |
| |
| /* PowerPC doesn't support multiple MSI yet */ |
| if (type == PCI_CAP_ID_MSI && nvec > 1) |
| return 1; |
| |
| 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); |
| } |
