[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/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index dfad0e4..79b4512 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -418,10 +418,11 @@
}
EXPORT_SYMBOL_GPL(virq_to_hw);
-__init_refok struct irq_host *irq_alloc_host(unsigned int revmap_type,
- unsigned int revmap_arg,
- struct irq_host_ops *ops,
- irq_hw_number_t inval_irq)
+__init_refok 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)
{
struct irq_host *host;
unsigned int size = sizeof(struct irq_host);
@@ -446,6 +447,7 @@
host->revmap_type = revmap_type;
host->inval_irq = inval_irq;
host->ops = ops;
+ host->of_node = of_node;
spin_lock_irqsave(&irq_big_lock, flags);