[POWERPC] Celleb: Serial I/O update

This is an update for Serial I/O on Celleb.
  - Detection algorithm has been changed
Signed-off-by: NKou Ishizaki <Kou.Ishizaki@toshiba.co.jp>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/platforms/celleb/scc_sio.c

 /*
  * setup serial port in SCC
  *
- * (C) Copyright 2006 TOSHIBA CORPORATION
+ * (C) Copyright 2006-2007 TOSHIBA CORPORATION
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -42,23 +42,22 @@ static struct {
 static int __init txx9_serial_init(void)
 {
 	extern int early_serial_txx9_setup(struct uart_port *port);
-	struct device_node *node;
+	struct device_node *node = NULL;
 	int i;
 	struct uart_port req;
 	struct of_irq irq;
 	struct resource res;
 
-	node = of_find_node_by_path("/ioif1/sio");
-	if (!node)
-		return 0;
-
-	for(i = 0; i < sizeof(txx9_scc_tab)/sizeof(txx9_scc_tab[0]); i++) {
+	while ((node = of_find_compatible_node(node,
+				"serial", "toshiba,sio-scc")) != NULL) {
+		for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
 			if (!(txx9_serial_bitmap & (1<<i)))
 				continue;
 
 			if (of_irq_map_one(node, i, &irq))
 				continue;
-		if (of_address_to_resource(node, txx9_scc_tab[i].index, &res))
+			if (of_address_to_resource(node,
+				txx9_scc_tab[i].index, &res))
 				continue;
 
 			memset(&req, 0, sizeof(req));
@@ -70,12 +69,13 @@ static int __init txx9_serial_init(void)
 #endif
 			req.irq = irq_create_of_mapping(irq.controller,
 				irq.specifier, irq.size);
-		req.flags |= UPF_IOREMAP | UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
+			req.flags |= UPF_IOREMAP | UPF_BUGGY_UART
+				/*HAVE_CTS_LINE*/;
 			req.uartclk = 83300000;
 			early_serial_txx9_setup(&req);
 		}
+	}
 
-	of_node_put(node);
 	return 0;
 }