Setting a property to a string is used many times. Create a convenience
function for it.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/of/base.c | 22 ++++++++++++++++++++++
include/of.h | 8 ++++++++
2 files changed, 30 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index bef8f1de1a..01ab38907d 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1217,6 +1217,28 @@ int of_property_write_u64_array(struct device_node *np,
}
/**
+ * of_property_write_string - Write a string to a property. If
+ * the property does not exist, it will be created and appended to the given
+ * device node.
+ *
+ * @np: device node to which the property value is to be written.
+ * @propname: name of the property to be written.
+ * value: pointer to the string to write
+ *
+ * Search for a property in a device node and write a string to
+ * it. If the property does not exist, it will be created and appended to
+ * the device node. Returns 0 on success, -ENOMEM if the property or array
+ * of elements cannot be created.
+ */
+int of_property_write_string(struct device_node *np,
+ const char *propname, const char *value)
+{
+ size_t len = strlen(value);
+
+ return of_set_property(np, propname, value, len + 1, 1);
+}
+
+/**
* of_parse_phandle_from - Resolve a phandle property to a device_node pointer from
* a given root node
* @np: Pointer to device node holding phandle property
diff --git a/include/of.h b/include/of.h
index e3bb452b86..6bff13388d 100644
--- a/include/of.h
+++ b/include/of.h
@@ -205,6 +205,8 @@ extern int of_property_write_u32_array(struct device_node *np,
extern int of_property_write_u64_array(struct device_node *np,
const char *propname, const u64 *values,
size_t sz);
+extern int of_property_write_string(struct device_node *np, const char *propname,
+ const char *value);
extern struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name,
@@ -466,6 +468,12 @@ static inline int of_property_write_u64_array(struct device_node *np,
return -ENOSYS;
}
+static inline int of_property_write_string(struct device_node *np, const char *propname,
+ const char *value)
+{
+ return -ENOSYS;
+}
+
static inline struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name, int index)
{
--
2.11.0
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