From: Marco Felsch <m.felsch@pengutronix.de>
To: barebox@lists.infradead.org
Cc: mfe@pengutronix.de
Subject: [PATCH 1/2] of: base: add helper to rename a node
Date: Mon, 11 Feb 2019 17:20:12 +0100 [thread overview]
Message-ID: <20190211162013.5320-1-m.felsch@pengutronix.de> (raw)
Sometimes it can be necessary to rename a node, e.g. to override/create
a node which gets renamed upstream.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
drivers/of/base.c | 18 ++++++++++++++++++
include/of.h | 5 +++++
2 files changed, 23 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index b082f0c656..6644d9b96a 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -2094,6 +2094,24 @@ void of_delete_node(struct device_node *node)
of_set_root_node(NULL);
}
+void of_rename_node(struct device_node *node, char *name)
+{
+ struct device_node *parent;
+
+ if (!node)
+ return;
+
+ parent = node->parent;
+ if (parent) {
+ node->name = name;
+ node->full_name = basprintf("%s/%s", parent->full_name, name);
+ } else {
+ /* root node */
+ node->name = xstrdup("");
+ node->full_name = xstrdup("");
+ }
+}
+
int of_device_is_stdout_path(struct device_d *dev)
{
struct device_node *dn;
diff --git a/include/of.h b/include/of.h
index 184acb4741..403f399d95 100644
--- a/include/of.h
+++ b/include/of.h
@@ -158,6 +158,7 @@ extern struct device_node *of_create_node(struct device_node *root,
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 void of_rename_node(struct device_node *node, char *name);
extern const char *of_get_machine_compatible(void);
extern int of_machine_is_compatible(const char *compat);
@@ -605,6 +606,10 @@ static inline void of_delete_node(struct device_node *node)
{
}
+static inline void of_rename_node(struct device_node *node, char *name)
+{
+}
+
static inline int of_machine_is_compatible(const char *compat)
{
return 0;
--
2.20.1
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next reply other threads:[~2019-02-11 16:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-11 16:20 Marco Felsch [this message]
2019-02-11 16:20 ` [PATCH 2/2] memory: of_fixup: adapt to new memory layout Marco Felsch
2019-02-12 8:03 ` Sascha Hauer
2019-02-12 8:45 ` Marco Felsch
2019-02-12 8:56 ` Sascha Hauer
2019-02-12 9:01 ` Marco Felsch
2019-02-12 7:32 ` [PATCH 1/2] of: base: add helper to rename a node Sascha Hauer
2019-02-12 8:49 ` Marco Felsch
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