write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/clk/samsung/clk-s3c2443.c
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@@ -1,17 +1,15 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * Common Clock Framework support for S3C2443 and following SoCs.
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  */
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 #include <linux/clk-provider.h>
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+#include <linux/clk/samsung.h>
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+#include <linux/io.h>
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 #include <linux/of.h>
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 #include <linux/of_address.h>
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-#include <linux/syscore_ops.h>
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 #include <linux/reboot.h>
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 #include <dt-bindings/clock/s3c2443.h>
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@@ -43,9 +41,6 @@
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 static void __iomem *reg_base;
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-#ifdef CONFIG_PM_SLEEP
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-static struct samsung_clk_reg_dump *s3c2443_save;
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-
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 /*
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  * list of controller registers to be saved and restored during a
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  * suspend/resume cycle.
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@@ -64,42 +59,6 @@
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 	HCLKCON,
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 	SCLKCON,
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 };
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-
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-static int s3c2443_clk_suspend(void)
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-{
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-	samsung_clk_save(reg_base, s3c2443_save,
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-				ARRAY_SIZE(s3c2443_clk_regs));
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-
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-	return 0;
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-}
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-
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-static void s3c2443_clk_resume(void)
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-{
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-	samsung_clk_restore(reg_base, s3c2443_save,
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-				ARRAY_SIZE(s3c2443_clk_regs));
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-}
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-
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-static struct syscore_ops s3c2443_clk_syscore_ops = {
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-	.suspend = s3c2443_clk_suspend,
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-	.resume = s3c2443_clk_resume,
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-};
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-
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-static void __init s3c2443_clk_sleep_init(void)
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-{
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-	s3c2443_save = samsung_clk_alloc_reg_dump(s3c2443_clk_regs,
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-						ARRAY_SIZE(s3c2443_clk_regs));
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-	if (!s3c2443_save) {
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-		pr_warn("%s: failed to allocate sleep save data, no sleep support!\n",
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-			__func__);
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-		return;
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-	}
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-
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-	register_syscore_ops(&s3c2443_clk_syscore_ops);
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-	return;
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-}
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-#else
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-static void __init s3c2443_clk_sleep_init(void) {}
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-#endif
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 PNAME(epllref_p) = { "mpllref", "mpllref", "xti", "ext" };
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 PNAME(esysclk_p) = { "epllref", "epll" };
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@@ -429,7 +388,7 @@
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 				ARRAY_SIZE(s3c2450_gates));
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 		samsung_clk_register_alias(ctx, s3c2450_aliases,
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 				ARRAY_SIZE(s3c2450_aliases));
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-		/* fall through, as s3c2450 extends the s3c2416 clocks */
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+		fallthrough;	/* as s3c2450 extends the s3c2416 clocks */
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 	case S3C2416:
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 		samsung_clk_register_div(ctx, s3c2416_dividers,
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 				ARRAY_SIZE(s3c2416_dividers));
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@@ -450,7 +409,8 @@
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 		break;
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 	}
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-	s3c2443_clk_sleep_init();
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+	samsung_clk_sleep_init(reg_base, s3c2443_clk_regs,
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+			       ARRAY_SIZE(s3c2443_clk_regs));
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 	samsung_clk_of_add_provider(np, ctx);
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