clk/mediatek/clk-mux.c

300 	struct mtk_mux_nb *mux_nb = to_mtk_mux_nb(nb);
305 		mux_nb->original_index = mux_nb->ops->get_parent(hw);
306 		ret = mux_nb->ops->set_parent(hw, mux_nb->bypass_index);
310 		ret = mux_nb->ops->set_parent(hw, mux_nb->original_index);
318 				       struct mtk_mux_nb *mux_nb)
320 	mux_nb->nb.notifier_call = mtk_clk_mux_notifier_cb;
322 	return devm_clk_notifier_register(dev, clk, &mux_nb->nb);