3 files changed, 46 insertions, 10 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 812149160d3b..92188b0225bb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -407,7 +407,6 @@ enum {
 	IRQCHIP_EOI_THREADED		= (1 <<  6),
 };
 
-/* This include will go away once we isolated irq_desc usage to core code */
 #include <linux/irqdesc.h>
 
 /*
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index c52d1480f272..624a668e61f1 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -3,9 +3,6 @@
 
 /*
  * Core internal functions to deal with irq descriptors
- *
- * This include will move to kernel/irq once we cleaned up the tree.
- * For now it's included from <linux/irq.h>
  */
 
 struct irq_affinity_notify;
@@ -103,6 +100,11 @@ static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
 #endif
 }
 
+static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)
+{
+	return desc->irq_data.irq;
+}
+
 static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
 {
 	return &desc->irq_data;
@@ -188,6 +190,47 @@ __irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
 	desc->name = name;
 }
 
+/**
+ * irq_set_handler_locked - Set irq handler from a locked region
+ * @data:	Pointer to the irq_data structure which identifies the irq
+ * @handler:	Flow control handler function for this interrupt
+ *
+ * Sets the handler in the irq descriptor associated to @data.
+ *
+ * Must be called with irq_desc locked and valid parameters. Typical
+ * call site is the irq_set_type() callback.
+ */
+static inline void irq_set_handler_locked(struct irq_data *data,
+					  irq_flow_handler_t handler)
+{
+	struct irq_desc *desc = irq_data_to_desc(data);
+
+	desc->handle_irq = handler;
+}
+
+/**
+ * irq_set_chip_handler_name_locked - Set chip, handler and name from a locked region
+ * @data:	Pointer to the irq_data structure for which the chip is set
+ * @chip:	Pointer to the new irq chip
+ * @handler:	Flow control handler function for this interrupt
+ * @name:	Name of the interrupt
+ *
+ * Replace the irq chip at the proper hierarchy level in @data and
+ * sets the handler and name in the associated irq descriptor.
+ *
+ * Must be called with irq_desc locked and valid parameters.
+ */
+static inline void
+irq_set_chip_handler_name_locked(struct irq_data *data, struct irq_chip *chip,
+				 irq_flow_handler_t handler, const char *name)
+{
+	struct irq_desc *desc = irq_data_to_desc(data);
+
+	desc->handle_irq = handler;
+	desc->name = name;
+	data->chip = chip;
+}
+
 static inline int irq_balancing_disabled(unsigned int irq)
 {
 	struct irq_desc *desc;
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index fdd5cc16c9c4..9669bf9d4f48 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -23,12 +23,6 @@ unsigned int irq_get_next_irq(unsigned int offset);
 			;						\
 		else
 
-#ifdef CONFIG_SMP
-#define irq_node(irq)	(irq_get_irq_data(irq)->node)
-#else
-#define irq_node(irq)	0
-#endif
-
 # define for_each_active_irq(irq)			\
 	for (irq = irq_get_next_irq(0); irq < nr_irqs;	\
 	     irq = irq_get_next_irq(irq + 1))