enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/arch/powerpc/platforms/maple/pci.c
..
..
@@ -1,11 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org),
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  *		      IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #undef DEBUG
..
..
@@ -604,10 +600,8 @@
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 		printk(KERN_CRIT "maple_find_bridges: can't find root of device tree\n");
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 		return;
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 	}
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-	for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) {
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-		if (!np->type)
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-			continue;
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-		if (strcmp(np->type, "pci") && strcmp(np->type, "ht"))
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+	for_each_child_of_node(root, np) {
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+		if (!of_node_is_type(np, "pci") && !of_node_is_type(np, "ht"))
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 			continue;
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 		if ((of_device_is_compatible(np, "u4-pcie") ||
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 		     of_device_is_compatible(np, "u3-agp")) &&