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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/kernel/cpu/clock.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
-rw-r--r-- | arch/sh/kernel/cpu/clock.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c new file mode 100644 index 000000000..6fb34410d --- /dev/null +++ b/arch/sh/kernel/cpu/clock.c @@ -0,0 +1,52 @@ +// 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; +} + + |