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v5.4
 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * arch/sh/kernel/cpu/clock.c - SuperH clock framework
 4 *
 5 *  Copyright (C) 2005 - 2009  Paul Mundt
 6 *
 7 * This clock framework is derived from the OMAP version by:
 8 *
 9 *	Copyright (C) 2004 - 2008 Nokia Corporation
10 *	Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
11 *
12 *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
 
 
 
 
13 */
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/clk.h>
17#include <asm/clock.h>
18#include <asm/machvec.h>
19
20int __init clk_init(void)
21{
22	int ret;
23
24#ifndef CONFIG_COMMON_CLK
25	ret = arch_clk_init();
26	if (unlikely(ret)) {
27		pr_err("%s: CPU clock registration failed.\n", __func__);
28		return ret;
29	}
30#endif
31
32	if (sh_mv.mv_clk_init) {
33		ret = sh_mv.mv_clk_init();
34		if (unlikely(ret)) {
35			pr_err("%s: machvec clock initialization failed.\n",
36			       __func__);
37			return ret;
38		}
39	}
40
41#ifndef CONFIG_COMMON_CLK
42	/* Kick the child clocks.. */
43	recalculate_root_clocks();
44
45	/* Enable the necessary init clocks */
46	clk_enable_init_clocks();
47#endif
48
49	return ret;
50}
51
52
v4.6
 
 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