This reverts commit 51397d7d95.
There are some unresolved random crashes on WRT1900AC v1 that still need
to be sorted out
Signed-off-by: Felix Fietkau <nbd@nbd.name>
		
	
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
The WRT1900AC among other Linksys routers uses a dual-firmware layout.
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Dynamically rename the active partition to "ubi".
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Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
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--- a/drivers/mtd/ofpart.c
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+++ b/drivers/mtd/ofpart.c
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@@ -25,6 +25,8 @@ static bool node_has_compatible(struct d
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 	return of_get_property(pp, "compatible", NULL);
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 }
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+static int mangled_rootblock;
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+
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 static int parse_ofpart_partitions(struct mtd_info *master,
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 				   struct mtd_partition **pparts,
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 				   struct mtd_part_parser_data *data)
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@@ -32,6 +34,7 @@ static int parse_ofpart_partitions(struc
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 	struct device_node *mtd_node;
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 	struct device_node *ofpart_node;
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 	const char *partname;
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+	const char *owrtpart = "ubi";
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 	struct device_node *pp;
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 	int nr_parts, i, ret = 0;
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 	bool dedicated = true;
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@@ -110,9 +113,15 @@ static int parse_ofpart_partitions(struc
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 		(*pparts)[i].offset = of_read_number(reg, a_cells);
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 		(*pparts)[i].size = of_read_number(reg + a_cells, s_cells);
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-		partname = of_get_property(pp, "label", &len);
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-		if (!partname)
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-			partname = of_get_property(pp, "name", &len);
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+		if (mangled_rootblock && (i == mangled_rootblock)) {
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+				partname = owrtpart;
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+		} else {
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+			partname = of_get_property(pp, "label", &len);
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+
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+			if (!partname)
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+				partname = of_get_property(pp, "name", &len);
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+		}
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+
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 		(*pparts)[i].name = partname;
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 		if (of_get_property(pp, "read-only", &len))
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@@ -215,6 +224,18 @@ static int __init ofpart_parser_init(voi
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 	return 0;
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 }
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+static int __init active_root(char *str)
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+{
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+	get_option(&str, &mangled_rootblock);
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+
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+	if (!mangled_rootblock)
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+		return 1;
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+
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+	return 1;
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+}
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+
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+__setup("mangled_rootblock=", active_root);
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+
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 static void __exit ofpart_parser_exit(void)
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 {
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 	deregister_mtd_parser(&ofpart_parser);
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