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-rw-r--r--drivers/of/base.c7
-rw-r--r--include/linux/of.h15
2 files changed, 13 insertions, 9 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 02ed36719def..3ff22e32b602 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -610,8 +610,9 @@ EXPORT_SYMBOL(of_find_node_by_phandle);
*
* The out_value is modified only if a valid u32 value can be decoded.
*/
-int of_property_read_u32_array(const struct device_node *np, char *propname,
- u32 *out_values, size_t sz)
+int of_property_read_u32_array(const struct device_node *np,
+ const char *propname, u32 *out_values,
+ size_t sz)
{
struct property *prop = of_find_property(np, propname, NULL);
const __be32 *val;
@@ -645,7 +646,7 @@ EXPORT_SYMBOL_GPL(of_property_read_u32_array);
*
* The out_string pointer is modified only if a valid string can be decoded.
*/
-int of_property_read_string(struct device_node *np, char *propname,
+int of_property_read_string(struct device_node *np, const char *propname,
const char **out_string)
{
struct property *prop = of_find_property(np, propname, NULL);
diff --git a/include/linux/of.h b/include/linux/of.h
index bd716f8908de..0085bb01c041 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -196,12 +196,13 @@ extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
extern int of_property_read_u32_array(const struct device_node *np,
- char *propname,
+ const char *propname,
u32 *out_values,
size_t sz);
-extern int of_property_read_string(struct device_node *np, char *propname,
- const char **out_string);
+extern int of_property_read_string(struct device_node *np,
+ const char *propname,
+ const char **out_string);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
extern int of_device_is_available(const struct device_node *device);
@@ -242,13 +243,15 @@ static inline bool of_have_populated_dt(void)
}
static inline int of_property_read_u32_array(const struct device_node *np,
- char *propname, u32 *out_values, size_t sz)
+ const char *propname,
+ u32 *out_values, size_t sz)
{
return -ENOSYS;
}
static inline int of_property_read_string(struct device_node *np,
- char *propname, const char **out_string)
+ const char *propname,
+ const char **out_string)
{
return -ENOSYS;
}
@@ -256,7 +259,7 @@ static inline int of_property_read_string(struct device_node *np,
#endif /* CONFIG_OF */
static inline int of_property_read_u32(const struct device_node *np,
- char *propname,
+ const char *propname,
u32 *out_value)
{
return of_property_read_u32_array(np, propname, out_value, 1);