UPSTREAM: irqdomain: Allow domain lookup with DOMAIN_BUS_WIRED token

[firefly-linux-kernel-4.4.55.git] / include / linux / irqdomain.h

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index d5e5c5bef28c45e29bff88b175d581c0595b73f9..8b60c95f4417d36e4f495ea92d3a9a2fa38e5165 100644 (file)
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -70,6 +70,7 @@ struct irq_fwspec {
  */
 enum irq_domain_bus_token {
        DOMAIN_BUS_ANY          = 0,
+       DOMAIN_BUS_WIRED,
        DOMAIN_BUS_PCI_MSI,
        DOMAIN_BUS_PLATFORM_MSI,
        DOMAIN_BUS_NEXUS,
@@ -211,6 +212,11 @@ static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node)
        return node ? &node->fwnode : NULL;
 }
 
+static inline bool is_fwnode_irqchip(struct fwnode_handle *fwnode)
+{
+       return fwnode && fwnode->type == FWNODE_IRQCHIP;
+}
+
 static inline struct irq_domain *irq_find_matching_host(struct device_node *node,
                                                        enum irq_domain_bus_token bus_token)
 {