add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/powerpc/platforms/chrp/pci.c
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@@ -8,9 +8,9 @@
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 #include <linux/delay.h>
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 #include <linux/string.h>
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 #include <linux/init.h>
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+#include <linux/pgtable.h>
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 #include <asm/io.h>
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-#include <asm/pgtable.h>
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 #include <asm/irq.h>
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 #include <asm/hydra.h>
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 #include <asm/prom.h>
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@@ -230,8 +230,8 @@
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 		else if (strncmp(machine, "Pegasos", 7) == 0)
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 			is_pegasos = 1;
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 	}
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-	for (dev = root->child; dev != NULL; dev = dev->sibling) {
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-		if (dev->type == NULL || strcmp(dev->type, "pci") != 0)
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+	for_each_child_of_node(root, dev) {
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+		if (!of_node_is_type(dev, "pci"))
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 			continue;
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 		++index;
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 		/* The GG2 bridge on the LongTrail doesn't have an address */