microblaze: use early_init_dt_scan

Convert microblaze to use new early_init_dt_scan function.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Michal Simek <monstr@monstr.eu>
Cc: microblaze-uclinux@itee.uq.edu.au

arch/microblaze/kernel/prom.c

@@ -106,21 +106,10 @@ void __init early_init_devtree(void *params)
 {
 	pr_debug(" -> early_init_devtree(%p)\n", params);
 
-	/* Setup flat device-tree pointer */
-	initial_boot_params = params;
+	early_init_dt_scan(params);
+	if (!strlen(boot_command_line))
+		strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
 
-	/* Retrieve various informations from the /chosen node of the
-	 * device-tree, including the platform type, initrd location and
-	 * size, TCE reserve, and more ...
-	 */
-	of_scan_flat_dt(early_init_dt_scan_chosen, cmd_line);
-
-	/* Scan memory nodes and rebuild MEMBLOCKs */
-	of_scan_flat_dt(early_init_dt_scan_root, NULL);
-	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
-
-	/* Save command line for /proc/cmdline and then parse parameters */
-	strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
 	parse_early_param();
 
 	memblock_allow_resize();

arch/microblaze/kernel/setup.c

@@ -50,7 +50,7 @@ char cmd_line[COMMAND_LINE_SIZE] __attribute__ ((section(".data")));
 
 void __init setup_arch(char **cmdline_p)
 {
-	*cmdline_p = cmd_line;
+	*cmdline_p = boot_command_line;
 
 	console_verbose();