of/flattree: Merge unflatten_device_tree

Merge common code between PowerPC and MicroBlaze

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Michal Simek <monstr@monstr.eu>

1 files changed, 0 insertions, 49 deletions

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 021770abfbd..901d538c15e 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -50,55 +50,6 @@ typedef u32 cell_t;
 /* export that to outside world */
 struct device_node *of_chosen;
 
-/**
- * unflattens the device-tree passed by the firmware, creating the
- * tree of struct device_node. It also fills the "name" and "type"
- * pointers of the nodes so the normal device-tree walking functions
- * can be used (this used to be done by finish_device_tree)
- */
-void __init unflatten_device_tree(void)
-{
-	unsigned long start, mem, size;
-	struct device_node **allnextp = &allnodes;
-
-	pr_debug(" -> unflatten_device_tree()\n");
-
-	/* First pass, scan for size */
-	start = ((unsigned long)initial_boot_params) +
-		initial_boot_params->off_dt_struct;
-	size = unflatten_dt_node(0, &start, NULL, NULL, 0);
-	size = (size | 3) + 1;
-
-	pr_debug("  size is %lx, allocating...\n", size);
-
-	/* Allocate memory for the expanded device tree */
-	mem = lmb_alloc(size + 4, __alignof__(struct device_node));
-	mem = (unsigned long) __va(mem);
-
-	((u32 *)mem)[size / 4] = 0xdeadbeef;
-
-	pr_debug("  unflattening %lx...\n", mem);
-
-	/* Second pass, do actual unflattening */
-	start = ((unsigned long)initial_boot_params) +
-		initial_boot_params->off_dt_struct;
-	unflatten_dt_node(mem, &start, NULL, &allnextp, 0);
-	if (*((u32 *)start) != OF_DT_END)
-		printk(KERN_WARNING "Weird tag at end of tree: %08x\n",
-			*((u32 *)start));
-	if (((u32 *)mem)[size / 4] != 0xdeadbeef)
-		printk(KERN_WARNING "End of tree marker overwritten: %08x\n",
-			((u32 *)mem)[size / 4]);
-	*allnextp = NULL;
-
-	/* Get pointer to OF "/chosen" node for use everywhere */
-	of_chosen = of_find_node_by_path("/chosen");
-	if (of_chosen == NULL)
-		of_chosen = of_find_node_by_path("/chosen@0");
-
-	pr_debug(" <- unflatten_device_tree()\n");
-}
-
 #define early_init_dt_scan_drconf_memory(node) 0
 
 static int __init early_init_dt_scan_cpus(unsigned long node,