clk: fixed-rate: add clk_hw_unregister_fixed_rate()

This will be used to migrate to the clk_hw APIs.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk-fixed-rate.c

@@ -145,6 +145,17 @@ void clk_unregister_fixed_rate(struct clk *clk)
 }
 EXPORT_SYMBOL_GPL(clk_unregister_fixed_rate);
 
+void clk_hw_unregister_fixed_rate(struct clk_hw *hw)
+{
+	struct clk_fixed_rate *fixed;
+
+	fixed = to_clk_fixed_rate(hw);
+
+	clk_hw_unregister(hw);
+	kfree(fixed);
+}
+EXPORT_SYMBOL_GPL(clk_hw_unregister_fixed_rate);
+
 #ifdef CONFIG_OF
 /**
  * of_fixed_clk_setup() - Setup function for simple fixed rate clock

include/linux/clk-provider.h

@@ -293,6 +293,7 @@ void clk_unregister_fixed_rate(struct clk *clk);
 struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev,
 		const char *name, const char *parent_name, unsigned long flags,
 		unsigned long fixed_rate, unsigned long fixed_accuracy);
+void clk_hw_unregister_fixed_rate(struct clk_hw *hw);
 
 void of_fixed_clk_setup(struct device_node *np);