add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/mach-shmobile/pm-rcar-gen2.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * R-Car Generation 2 Power management support
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  *
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  * Copyright (C) 2013 - 2015  Renesas Electronics Corporation
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  * Copyright (C) 2011  Renesas Solutions Corp.
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  * Copyright (C) 2011  Magnus Damm
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- *
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- * This file is subject to the terms and conditions of the GNU General Public
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- * License.  See the file "COPYING" in the main directory of this archive
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- * for more details.
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  */
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 #include <linux/kernel.h>
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@@ -50,7 +47,7 @@
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 	void __iomem *p;
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 	u32 bar;
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 	static int once;
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-	struct device_node *np, *cpus;
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+	struct device_node *np;
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 	bool has_a7 = false;
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 	bool has_a15 = false;
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 	struct resource res;
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@@ -59,11 +56,7 @@
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 	if (once++)
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 		return;
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-	cpus = of_find_node_by_path("/cpus");
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-	if (!cpus)
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-		return;
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-
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-	for_each_child_of_node(cpus, np) {
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+	for_each_of_cpu_node(np) {
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 		if (of_device_is_compatible(np, "arm,cortex-a15"))
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 			has_a15 = true;
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 		else if (of_device_is_compatible(np, "arm,cortex-a7"))
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@@ -79,6 +72,7 @@
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 	}
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 	error = of_address_to_resource(np, 0, &res);
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+	of_node_put(np);
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 	if (error) {
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 		pr_err("Failed to get smp-sram address: %d\n", error);
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 		return;
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@@ -109,7 +103,7 @@
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 	iounmap(p);
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 	/* setup reset vectors */
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-	p = ioremap_nocache(RST, 0x63);
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+	p = ioremap(RST, 0x63);
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 	bar = phys_to_sbar(res.start);
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 	if (has_a15) {
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 		writel_relaxed(bar, p + CA15BAR);