From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Thu, 23 Jul 2015 10:26:21 +0100 Subject: [PATCH v5 02/19] PCI: MSI: Register irq domain with specific token In-Reply-To: <1437643598-19795-1-git-send-email-marc.zyngier@arm.com> References: <1437643598-19795-1-git-send-email-marc.zyngier@arm.com> Message-ID: <1437643598-19795-3-git-send-email-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When creating a PCI/MSI domain, tag it with DOMAIN_BUS_PCI_MSI so that it can be looked-up using irq_find_matching_host(). Signed-off-by: Marc Zyngier --- drivers/pci/msi.c | 8 +++++++- include/linux/irqdomain.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 373d96e..ef4ec6e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1273,12 +1273,18 @@ struct irq_domain *pci_msi_create_irq_domain(struct device_node *node, struct msi_domain_info *info, struct irq_domain *parent) { + struct irq_domain *domain; + if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS) pci_msi_domain_update_dom_ops(info); if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS) pci_msi_domain_update_chip_ops(info); - return msi_create_irq_domain(node, info, parent); + domain = msi_create_irq_domain(node, info, parent); + if (domain) + domain->bus_token = DOMAIN_BUS_PCI_MSI; + + return domain; } /** diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 91a83ad..25e9e66 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -54,6 +54,7 @@ struct irq_data; */ enum irq_domain_bus_token { DOMAIN_BUS_ANY = 0, + DOMAIN_BUS_PCI_MSI, }; /** -- 2.1.4