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-rw-r--r--include/linux/clk-private.h4
-rw-r--r--include/linux/clk-provider.h3
2 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index e9c8b9841b16..e7032fdd45eb 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -181,8 +181,10 @@ struct clk {
*
* It is not necessary to call clk_register if __clk_init is used directly with
* statically initialized clock data.
+ *
+ * Returns 0 on success, otherwise an error code.
*/
-void __clk_init(struct device *dev, struct clk *clk);
+int __clk_init(struct device *dev, struct clk *clk);
#endif /* CONFIG_COMMON_CLK */
#endif /* CLK_PRIVATE_H */
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 8981435f9064..97f9fabf3be2 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -274,7 +274,8 @@ struct clk *clk_register_mux(struct device *dev, const char *name,
* clk_register is the primary interface for populating the clock tree with new
* clock nodes. It returns a pointer to the newly allocated struct clk which
* cannot be dereferenced by driver code but may be used in conjuction with the
- * rest of the clock API.
+ * rest of the clock API. In the event of an error clk_register will return an
+ * error code; drivers must test for an error code after calling clk_register.
*/
struct clk *clk_register(struct device *dev, const char *name,
const struct clk_ops *ops, struct clk_hw *hw,
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