Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/of/base.c | 25 +++++++++++++++++++++++++
include/of.h | 11 +++++++++++
2 files changed, 36 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 8138a91..6b12979 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -349,6 +349,31 @@ int of_property_read_u32_array(const struct device_node *np,
}
EXPORT_SYMBOL_GPL(of_property_read_u32_array);
+int of_property_write_u32_array(struct device_node *np,
+ const char *propname, const u32 *values,
+ size_t sz)
+{
+ struct property *prop = of_find_property(np, propname);
+ __be32 *val;
+
+ if (!prop)
+ prop = of_new_property(np, propname, NULL, 0);
+ if (!prop)
+ return -ENOMEM;
+
+ free(prop->value);
+
+ prop->value = malloc(sizeof(__be32) * sz);
+ if (!prop->value)
+ return -ENOMEM;
+
+ val = prop->value;
+
+ while (sz--)
+ *val++ = cpu_to_be32(*values++);
+ return 0;
+}
+
/**
* of_parse_phandles_with_args - Find a node pointed by phandle in a list
* @np: pointer to a device tree node containing a list
diff --git a/include/of.h b/include/of.h
index 1db546c..b2f9ca7 100644
--- a/include/of.h
+++ b/include/of.h
@@ -94,6 +94,17 @@ static inline int of_property_read_u32(const struct device_node *np,
return of_property_read_u32_array(np, propname, out_value, 1);
}
+int of_property_write_u32_array(struct device_node *np,
+ const char *propname, const u32 *values,
+ size_t sz);
+
+static inline int of_property_write_u32(struct device_node *np,
+ const char *propname,
+ u32 value)
+{
+ return of_property_write_u32_array(np, propname, &value, 1);
+}
+
const void *of_get_property(const struct device_node *np, const char *name,
int *lenp);
--
1.7.10.4
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