1/*
2 * arch/sh/kernel/cpu/clock.c - SuperH clock framework
3 *
4 *  Copyright (C) 2005 - 2009  Paul Mundt
5 *
6 * This clock framework is derived from the OMAP version by:
7 *
8 *	Copyright (C) 2004 - 2008 Nokia Corporation
9 *	Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
10 *
11 *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
12 *
13 * This file is subject to the terms and conditions of the GNU General Public
14 * License.  See the file "COPYING" in the main directory of this archive
15 * for more details.
16 */
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/clk.h>
20#include <asm/clock.h>
21#include <asm/machvec.h>
22
23int __init clk_init(void)
24{
25	int ret;
26
27	ret = arch_clk_init();
28	if (unlikely(ret)) {
29		pr_err("%s: CPU clock registration failed.\n", __func__);
30		return ret;
31	}
32
33	if (sh_mv.mv_clk_init) {
34		ret = sh_mv.mv_clk_init();
35		if (unlikely(ret)) {
36			pr_err("%s: machvec clock initialization failed.\n",
37			       __func__);
38			return ret;
39		}
40	}
41
42	/* Kick the child clocks.. */
43	recalculate_root_clocks();
44
45	/* Enable the necessary init clocks */
46	clk_enable_init_clocks();
47
48	return ret;
49}
50
51
52