blob: 8bbc12d20f5c9a11346874bb336fac33c7dcc6bc [file] [log] [blame]
* 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)