enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/arm/mach-hisi/platsmp.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2013 Linaro Ltd.
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  * Copyright (c) 2013 Hisilicon Limited.
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  * Based on arch/arm/mach-vexpress/platsmp.c, Copyright (C) 2002 ARM Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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  */
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 #include <linux/smp.h>
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 #include <linux/io.h>
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@@ -70,14 +67,17 @@
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 		}
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 		ctrl_base = of_iomap(np, 0);
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 		if (!ctrl_base) {
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+			of_node_put(np);
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 			pr_err("failed to map address\n");
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 			return;
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 		}
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 		if (of_property_read_u32(np, "smp-offset", &offset) < 0) {
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+			of_node_put(np);
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 			pr_err("failed to find smp-offset property\n");
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 			return;
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 		}
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 		ctrl_base += offset;
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+		of_node_put(np);
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 	}
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 }
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..
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@@ -163,6 +163,7 @@
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 	if (WARN_ON(!node))
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 		return -1;
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 	ctrl_base = of_iomap(node, 0);
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+	of_node_put(node);
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 	/* set the secondary core boot from DDR */
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 	remap_reg_value = readl_relaxed(ctrl_base + REG_SC_CTRL);