From: Michael Olbrich Date: Tue, 13 Sep 2016 21:17:12 +0200 Subject: [PATCH] of: base: add funtion to copy a device tree node Signed-off-by: Michael Olbrich --- drivers/of/base.c | 16 ++++++++++++++++ include/of.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index ea330d131012..b6e90f2adb09 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1965,6 +1965,22 @@ out: return dn; } +struct device_node *of_copy_node(struct device_node *parent, const struct device_node *other) +{ + struct device_node *np, *child; + struct property *pp; + + np = of_new_node(parent, other->name); + + list_for_each_entry(pp, &other->properties, list) + of_new_property(np, pp->name, pp->value, pp->length); + + for_each_child_of_node(other, child) + of_copy_node(np, child); + + return np; +} + void of_delete_node(struct device_node *node) { struct device_node *n, *nt; diff --git a/include/of.h b/include/of.h index 0ba73f197f28..c1136708ce6c 100644 --- a/include/of.h +++ b/include/of.h @@ -144,6 +144,8 @@ extern struct device_node *of_new_node(struct device_node *parent, const char *name); extern struct device_node *of_create_node(struct device_node *root, const char *path); +extern struct device_node *of_copy_node(struct device_node *parent, + const struct device_node *other); extern void of_delete_node(struct device_node *node); extern int of_machine_is_compatible(const char *compat);