[PATCH 01/32] clk: define stub implementation for clk_get_parent

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

To make it easier to build drivers utilizing clk_get_parent on sandbox
for static analysis, provide a stub implementation of the function.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 include/linux/clk.h | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 42c64d650d1f..b18fc733843d 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -128,14 +128,6 @@ int clk_hw_set_rate(struct clk_hw *hw, unsigned long rate);
 int clk_set_parent(struct clk *clk, struct clk *parent);
 int clk_hw_set_parent(struct clk_hw *hw, struct clk_hw *hwp);
 
-/**
- * clk_get_parent - get the parent clock source for this clock
- * @clk: clock source
- *
- * Returns struct clk corresponding to parent clock source, or
- * valid IS_ERR() condition containing errno.
- */
-struct clk *clk_get_parent(struct clk *clk);
 struct clk_hw *clk_hw_get_parent(struct clk_hw *hw);
 
 int clk_set_phase(struct clk *clk, int degrees);
@@ -658,6 +650,14 @@ struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data)
 struct clk *of_clk_get(struct device_node *np, int index);
 struct clk *of_clk_get_by_name(struct device_node *np, const char *name);
 struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec);
+/**
+ * clk_get_parent - get the parent clock source for this clock
+ * @clk: clock source
+ *
+ * Returns struct clk corresponding to parent clock source, or
+ * valid IS_ERR() condition containing errno.
+ */
+struct clk *clk_get_parent(struct clk *clk);
 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);
@@ -717,6 +717,10 @@ static inline unsigned int of_clk_get_parent_count(struct device_node *np)
 {
 	return 0;
 }
+static inline struct clk *clk_get_parent(struct clk *clk)
+{
+	return ERR_PTR(-ENOENT);
+}
 static inline int of_clk_init(struct device_node *root,
 			      const struct of_device_id *matches)
 {
-- 
2.30.2