clk: mediatek: mux: Internalize struct mtk_clk_mux

struct mtk_clk_mux is an implementation detail of the mux clk type,
and is not used outside of the implementation.

Internalize the definition to minimize leakage of details and shrink
the header file.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220208124034.414635-11-wenst@chromium.org
Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/mediatek/clk-mux.c

@@ -13,6 +13,14 @@
 #include "clk-mtk.h"
 #include "clk-mux.h"
 
+struct mtk_clk_mux {
+	struct clk_hw hw;
+	struct regmap *regmap;
+	const struct mtk_mux *data;
+	spinlock_t *lock;
+	bool reparent;
+};
+
 static inline struct mtk_clk_mux *to_mtk_clk_mux(struct clk_hw *hw)
 {
 	return container_of(hw, struct mtk_clk_mux, hw);

drivers/clk/mediatek/clk-mux.h

@@ -9,14 +9,6 @@
 
 #include <linux/clk-provider.h>
 
-struct mtk_clk_mux {
-	struct clk_hw hw;
-	struct regmap *regmap;
-	const struct mtk_mux *data;
-	spinlock_t *lock;
-	bool reparent;
-};
-
 struct mtk_mux {
 	int id;
 	const char *name;