Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 0000000000..6fb34410d6
--- /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;
+}
+
+