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-rw-r--r--drivers/of/base.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 017dd94f16ea..b299de2b3afa 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1341,10 +1341,10 @@ EXPORT_SYMBOL_GPL(of_property_read_u64_array);
*
* The out_string pointer is modified only if a valid string can be decoded.
*/
-int of_property_read_string(struct device_node *np, const char *propname,
+int of_property_read_string(const struct device_node *np, const char *propname,
const char **out_string)
{
- struct property *prop = of_find_property(np, propname, NULL);
+ const struct property *prop = of_find_property(np, propname, NULL);
if (!prop)
return -EINVAL;
if (!prop->value)
@@ -1365,10 +1365,10 @@ EXPORT_SYMBOL_GPL(of_property_read_string);
* This function searches a string list property and returns the index
* of a specific string value.
*/
-int of_property_match_string(struct device_node *np, const char *propname,
+int of_property_match_string(const struct device_node *np, const char *propname,
const char *string)
{
- struct property *prop = of_find_property(np, propname, NULL);
+ const struct property *prop = of_find_property(np, propname, NULL);
size_t l;
int i;
const char *p, *end;
@@ -1404,10 +1404,11 @@ EXPORT_SYMBOL_GPL(of_property_match_string);
* Don't call this function directly. It is a utility helper for the
* of_property_read_string*() family of functions.
*/
-int of_property_read_string_helper(struct device_node *np, const char *propname,
- const char **out_strs, size_t sz, int skip)
+int of_property_read_string_helper(const struct device_node *np,
+ const char *propname, const char **out_strs,
+ size_t sz, int skip)
{
- struct property *prop = of_find_property(np, propname, NULL);
+ const struct property *prop = of_find_property(np, propname, NULL);
int l = 0, i = 0;
const char *p, *end;
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