1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index f57f821a5e5a..dcc5378f8920 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -783,6 +783,25 @@ int __clk_mux_determine_rate_closest(struct clk_hw *hw,
 }
 EXPORT_SYMBOL_GPL(__clk_mux_determine_rate_closest);
 
+/*
+ * clk_hw_determine_rate_no_reparent - clk_ops::determine_rate implementation for a clk that doesn't reparent
+ * @hw: mux type clk to determine rate on
+ * @req: rate request, also used to return preferred frequency
+ *
+ * Helper for finding best parent rate to provide a given frequency.
+ * This can be used directly as a determine_rate callback (e.g. for a
+ * mux), or from a more complex clock that may combine a mux with other
+ * operations.
+ *
+ * Returns: 0 on success, -EERROR value on error
+ */
+int clk_hw_determine_rate_no_reparent(struct clk_hw *hw,
+				      struct clk_rate_request *req)
+{
+	return clk_core_determine_rate_no_reparent(hw, req);
+}
+EXPORT_SYMBOL_GPL(clk_hw_determine_rate_no_reparent);
+
 /***        clk api        ***/
 
 static void clk_core_rate_unprotect(struct clk_core *core)