clk: mediatek: Export required symbols to compile clk drivers as module

In order to compile the clock drivers for various MediaTek SoCs as
modules, it is necessary to export a few functions from the MediaTek
specific clocks (and reset) libraries.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220921091455.41327-7-angelogioacchino.delregno@collabora.comSigned-off-by: Chen-Yu Tsai <wenst@chromium.org>

drivers/clk/mediatek/clk-apmixed.c

@@ -98,5 +98,6 @@ struct clk_hw *mtk_clk_register_ref2usb_tx(const char *name,
 
 	return &tx->hw;
 }
+EXPORT_SYMBOL_GPL(mtk_clk_register_ref2usb_tx);
 
 MODULE_LICENSE("GPL");

drivers/clk/mediatek/clk-cpumux.c

@@ -150,6 +150,7 @@ int mtk_clk_register_cpumuxes(struct device_node *node,
 
 	return PTR_ERR(hw);
 }
+EXPORT_SYMBOL_GPL(mtk_clk_register_cpumuxes);
 
 void mtk_clk_unregister_cpumuxes(const struct mtk_composite *clks, int num,
 				 struct clk_hw_onecell_data *clk_data)
@@ -166,5 +167,6 @@ void mtk_clk_unregister_cpumuxes(const struct mtk_composite *clks, int num,
 		clk_data->hws[mux->id] = ERR_PTR(-ENOENT);
 	}
 }
+EXPORT_SYMBOL_GPL(mtk_clk_unregister_cpumuxes);
 
 MODULE_LICENSE("GPL");

drivers/clk/mediatek/clk-mtk.c

@@ -459,6 +459,7 @@ int mtk_clk_simple_probe(struct platform_device *pdev)
 	mtk_free_clk_data(clk_data);
 	return r;
 }
+EXPORT_SYMBOL_GPL(mtk_clk_simple_probe);
 
 int mtk_clk_simple_remove(struct platform_device *pdev)
 {
@@ -472,5 +473,6 @@ int mtk_clk_simple_remove(struct platform_device *pdev)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(mtk_clk_simple_remove);
 
 MODULE_LICENSE("GPL");

drivers/clk/mediatek/reset.c

@@ -228,5 +228,6 @@ int mtk_register_reset_controller_with_dev(struct device *dev,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(mtk_register_reset_controller_with_dev);
 
 MODULE_LICENSE("GPL");