[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 5bd90a7eb76..5ddb0259b1f 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -540,7 +540,7 @@ static void __init xics_init_host(void)
                 ops = &xics_host_lpar_ops;
         else
                 ops = &xics_host_direct_ops;
-        xics_host = irq_alloc_host(IRQ_HOST_MAP_TREE, 0, ops,
+        xics_host = irq_alloc_host(NULL, IRQ_HOST_MAP_TREE, 0, ops,
                                    XICS_IRQ_SPURIOUS);
         BUG_ON(xics_host == NULL);
         irq_set_default_host(xics_host);