clk: Remove unused clk_hw_rate_is_protected

clk_hw_rate_is_protected() was added in 2017's commit
e55a839 ("clk: add clock protection mechanism to clk core")

but has been unused.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Dr. David Alan Gilbert

drivers/clk/clk.c

@@ -608,12 +608,6 @@ bool clk_hw_is_prepared(const struct clk_hw *hw)
 }
 EXPORT_SYMBOL_GPL(clk_hw_is_prepared);
 
-bool clk_hw_rate_is_protected(const struct clk_hw *hw)
-{
-	return clk_core_rate_is_protected(hw->core);
-}
-EXPORT_SYMBOL_GPL(clk_hw_rate_is_protected);
-
 bool clk_hw_is_enabled(const struct clk_hw *hw)
 {
 	return clk_core_is_enabled(hw->core);

include/linux/clk-provider.h

@@ -1360,7 +1360,6 @@ unsigned long clk_hw_get_flags(const struct clk_hw *hw);
 	(clk_hw_get_flags((hw)) & CLK_SET_RATE_PARENT)
 
 bool clk_hw_is_prepared(const struct clk_hw *hw);
-bool clk_hw_rate_is_protected(const struct clk_hw *hw);
 bool clk_hw_is_enabled(const struct clk_hw *hw);
 bool __clk_is_enabled(struct clk *clk);
 struct clk *__clk_lookup(const char *name);