// SPDX-License-Identifier: GPL-2.0
/*
 * arch/sh/kernel/cpu/clock.c - SuperH clock framework
 *
 *  Copyright (C) 2005 - 2009  Paul Mundt
 *
 * This clock framework is derived from the OMAP version by:
 *
 *      Copyright (C) 2004 - 2008 Nokia Corporation
 *      Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
 *
 *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <asm/clock.h>
#include <asm/machvec.h>

int __init clk_init(void)
{
        int ret;

#ifndef CONFIG_COMMON_CLK
        ret = arch_clk_init();
        if (unlikely(ret)) {
                pr_err("%s: CPU clock registration failed.\n", __func__);
                return ret;
        }
#endif

        if (sh_mv.mv_clk_init) {
                ret = sh_mv.mv_clk_init();
                if (unlikely(ret)) {
                        pr_err("%s: machvec clock initialization failed.\n",
                               __func__);
                        return ret;
                }
        }

#ifndef CONFIG_COMMON_CLK
        /* Kick the child clocks.. */
        recalculate_root_clocks();

        /* Enable the necessary init clocks */
        clk_enable_init_clocks();
#endif

        return ret;
}