On Tue, 7 Jul 2015, Marc Zyngier wrote: > +static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev, > + int nvec, msi_alloc_info_t *info) > +{ > + struct pci_dev *pdev; > + struct its_pci_alias dev_alias; > + > + if (!dev_is_pci(dev)) > + return -EINVAL; > + > + pdev = to_pci_dev(dev); > + dev_alias.pdev = pdev; > + dev_alias.count = nvec; > + > + pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias); > + > + return its_msi_prepare(domain, dev_alias.dev_id, dev_alias.count, info); I don't think you need its_msi_prepare() exposed to child drivers. Something like domain->parent->ops->msi_prepare() should do the trick. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html