2 files changed, 34 insertions, 9 deletions

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 5abb533eb8eb..0d5b17bf5e51 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -112,6 +112,11 @@ struct irq_domain {
 };
 
 #ifdef CONFIG_IRQ_DOMAIN
+struct irq_domain *irq_domain_add_simple(struct device_node *of_node,
+                                         unsigned int size,
+                                         unsigned int first_irq,
+                                         const struct irq_domain_ops *ops,
+                                         void *host_data);
 struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
                                          unsigned int size,
                                          unsigned int first_irq,
@@ -144,16 +149,31 @@ static inline struct irq_domain *irq_domain_add_legacy_isa(
 
 extern void irq_domain_remove(struct irq_domain *host);
 
+extern int irq_domain_associate_many(struct irq_domain *domain,
+                                     unsigned int irq_base,
+                                     irq_hw_number_t hwirq_base, int count);
+static inline int irq_domain_associate(struct irq_domain *domain, unsigned int irq,
+                                        irq_hw_number_t hwirq)
+{
+        return irq_domain_associate_many(domain, irq, hwirq, 1);
+}
+
 extern unsigned int irq_create_mapping(struct irq_domain *host,
                                        irq_hw_number_t hwirq);
 extern void irq_dispose_mapping(unsigned int virq);
 extern unsigned int irq_find_mapping(struct irq_domain *host,
                                      irq_hw_number_t hwirq);
 extern unsigned int irq_create_direct_mapping(struct irq_domain *host);
-extern void irq_radix_revmap_insert(struct irq_domain *host, unsigned int virq,
-                                    irq_hw_number_t hwirq);
-extern unsigned int irq_radix_revmap_lookup(struct irq_domain *host,
-                                            irq_hw_number_t hwirq);
+extern int irq_create_strict_mappings(struct irq_domain *domain,
+                                      unsigned int irq_base,
+                                      irq_hw_number_t hwirq_base, int count);
+
+static inline int irq_create_identity_mapping(struct irq_domain *host,
+                                              irq_hw_number_t hwirq)
+{
+        return irq_create_strict_mappings(host, hwirq, hwirq, 1);
+}
+
 extern unsigned int irq_linear_revmap(struct irq_domain *host,
                                       irq_hw_number_t hwirq);
 
diff --git a/include/linux/of.h b/include/linux/of.h
index 42c2a58328c1..5919ee33f2b7 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -21,6 +21,7 @@
 #include <linux/kref.h>
 #include <linux/mod_devicetable.h>
 #include <linux/spinlock.h>
+#include <linux/topology.h>
 
 #include <asm/byteorder.h>
 #include <asm/errno.h>
@@ -158,11 +159,6 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
 
 #define OF_BAD_ADDR     ((u64)-1)
 
-#ifndef of_node_to_nid
-static inline int of_node_to_nid(struct device_node *np) { return -1; }
-#define of_node_to_nid of_node_to_nid
-#endif
-
 static inline const char* of_node_full_name(struct device_node *np)
 {
         return np ? np->full_name : "<no-node>";
@@ -427,6 +423,15 @@ static inline int of_machine_is_compatible(const char *compat)
         while (0)
 #endif /* CONFIG_OF */
 
+#ifndef of_node_to_nid
+static inline int of_node_to_nid(struct device_node *np)
+{
+        return numa_node_id();
+}
+
+#define of_node_to_nid of_node_to_nid
+#endif
+
 /**
  * of_property_read_bool - Findfrom a property
  * @np:         device node from which the property value is to be read.