[POWERPC] Add an optional device_node pointer to the irq_host
The majority of irq_host implementations (3 out of 4) are associated
with a device_node, and need to stash it somewhere. Rather than having
it somewhere different for each host, add an optional device_node pointer
to the irq_host structure.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 0485c53..1392db4 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -124,6 +124,9 @@
struct irq_host_ops *ops;
void *host_data;
irq_hw_number_t inval_irq;
+
+ /* Optional device node pointer */
+ struct device_node *of_node;
};
/* The main irq map itself is an array of NR_IRQ entries containing the
@@ -142,7 +145,7 @@
/**
* irq_alloc_host - Allocate a new irq_host data structure
- * @node: device-tree node of the interrupt controller
+ * @of_node: optional device-tree node of the interrupt controller
* @revmap_type: type of reverse mapping to use
* @revmap_arg: for IRQ_HOST_MAP_LINEAR linear only: size of the map
* @ops: map/unmap host callbacks
@@ -156,7 +159,8 @@
* later during boot automatically (the reverse mapping will use the slow path
* until that happens).
*/
-extern struct irq_host *irq_alloc_host(unsigned int revmap_type,
+extern struct irq_host *irq_alloc_host(struct device_node *of_node,
+ unsigned int revmap_type,
unsigned int revmap_arg,
struct irq_host_ops *ops,
irq_hw_number_t inval_irq);