diff -drupN a/include/linux/sunxi-clk-prepare.h b/include/linux/sunxi-clk-prepare.h --- a/include/linux/sunxi-clk-prepare.h 1970-01-01 03:00:00.000000000 +0300 +++ b/include/linux/sunxi-clk-prepare.h 2022-06-12 05:28:14.000000000 +0300 @@ -0,0 +1,20 @@ +/* + * Allwinner SoCs sunxi_clk_prepare driver. + * + * Copyright (C) 2016 Allwinner. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _SUNXI_LINUX_CLK_PERPARE_H +#define _SUNXI_LINUX_CLK_PERPARE_H + +#ifdef CONFIG_SUNXI_CLK_PREPARE +extern int sunxi_clk_enable_prepare(struct clk *clk); +extern int sunxi_clk_disable_prepare(struct clk *clk); +#else +static int sunxi_clk_enable_prepare(struct clk *clk) {return 0; }; +static int sunxi_clk_disable_prepare(struct clk *clk) { return 0; }; +#endif /* CONFIG_SUNXI_CLK_PREPARE */ +#endif /* _SUNXI_LINUX_CLK_PERPARE_H */