This adds a function to delete a property from the currently loaded
devicetree. Also export new_property as of_new_property.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/of/base.c | 13 +++++++++++--
include/of.h | 3 +++
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 527121d..5910b40 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -600,7 +600,7 @@ static struct device_node *new_device_node(struct device_node *parent)
return node;
}
-static struct property *new_property(struct device_node *node, const char *name,
+struct property *of_new_property(struct device_node *node, const char *name,
const void *data, int len)
{
struct property *prop;
@@ -617,6 +617,15 @@ static struct property *new_property(struct device_node *node, const char *name,
return prop;
}
+void of_delete_property(struct property *pp)
+{
+ list_del(&pp->list);
+
+ free(pp->name);
+ free(pp->value);
+ free(pp);
+}
+
static struct device_d *add_of_device(struct device_node *node)
{
struct device_d *dev;
@@ -902,7 +911,7 @@ int of_unflatten_dtb(struct fdt_header *fdt)
p->value = xzalloc(len);
memcpy(p->value, nodep, len);
} else {
- new_property(node, pathp, nodep, len);
+ of_new_property(node, pathp, nodep, len);
}
break;
case FDT_NOP:
diff --git a/include/of.h b/include/of.h
index e1a778d..e53f94c 100644
--- a/include/of.h
+++ b/include/of.h
@@ -108,6 +108,9 @@ int of_parse_dtb(struct fdt_header *fdt);
void of_free(struct device_node *node);
int of_unflatten_dtb(struct fdt_header *fdt);
void *of_flatten_dtb(void);
+struct property *of_new_property(struct device_node *node, const char *name,
+ const void *data, int len);
+void of_delete_property(struct property *pp);
int of_property_read_string(struct device_node *np, const char *propname,
const char **out_string);
--
1.7.10.4
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