On Mon, 28 Sep 2015 15:50:38 -0700
Frank Rowand [off-list ref] wrote:

On 9/28/2015 9:42 AM, Marc Zyngier wrote:

quoted

We want to be able to generate "fake" device nodes that can be
used as an identifier for irq domains. For that, we reuse the
dynamic DT layer in order to generate DT nodes in a detached state
(so that it doesn't interfere with the rest of the tree).

Signed-off-by: Marc Zyngier <redacted>
---
 drivers/of/dynamic.c | 22 ++++++++++++++++++++++
 include/linux/of.h   |  5 +++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 53826b8..709d363 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c

@@ -445,6 +445,28 @@ struct device_node *__of_node_dup(const struct device_node *np, const char *fmt,
 	return NULL;
 }
 
+/**
+ * of_node_alloc() - Allocate an empty device node dynamically.
+ * @fmt: Format string (plus vargs) for new full name of the device node
+ *
+ * Create an device tree node, either by by allocating an empty one

      Create a device tree node by allocating an empty one

Ah! Thanks!

	M.
-- 
Jazz is not dead. It just smells funny.