2 files changed, 15 insertions, 3 deletions

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index b775c88ac36d..fb74dc1f7520 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2986,9 +2986,21 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec)
 }
 EXPORT_SYMBOL_GPL(of_clk_get_from_provider);
 
-int of_clk_get_parent_count(struct device_node *np)
+/**
+ * of_clk_get_parent_count() - Count the number of clocks a device node has
+ * @np: device node to count
+ *
+ * Returns: The number of clocks that are possible parents of this node
+ */
+unsigned int of_clk_get_parent_count(struct device_node *np)
 {
-        return of_count_phandle_with_args(np, "clocks", "#clock-cells");
+        int count;
+
+        count = of_count_phandle_with_args(np, "clocks", "#clock-cells");
+        if (count < 0)
+                return 0;
+
+        return count;
 }
 EXPORT_SYMBOL_GPL(of_clk_get_parent_count);
 
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index fce7f027f8a7..da95258127aa 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -716,7 +716,7 @@ void of_clk_del_provider(struct device_node *np);
 struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,
                                   void *data);
 struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
-int of_clk_get_parent_count(struct device_node *np);
+unsigned int of_clk_get_parent_count(struct device_node *np);
 int of_clk_parent_fill(struct device_node *np, const char **parents,
                        unsigned int size);
 const char *of_clk_get_parent_name(struct device_node *np, int index);