aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/of/fdt.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 10eab21076ea..cf74e546faf2 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -206,7 +206,7 @@ int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
206 return of_fdt_is_compatible(initial_boot_params, node, compat); 206 return of_fdt_is_compatible(initial_boot_params, node, compat);
207} 207}
208 208
209static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size, 209static void *unflatten_dt_alloc(unsigned long *mem, unsigned long size,
210 unsigned long align) 210 unsigned long align)
211{ 211{
212 void *res; 212 void *res;
@@ -220,16 +220,18 @@ static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
220 220
221/** 221/**
222 * unflatten_dt_node - Alloc and populate a device_node from the flat tree 222 * unflatten_dt_node - Alloc and populate a device_node from the flat tree
223 * @blob: The parent device tree blob
223 * @p: pointer to node in flat tree 224 * @p: pointer to node in flat tree
224 * @dad: Parent struct device_node 225 * @dad: Parent struct device_node
225 * @allnextpp: pointer to ->allnext from last allocated device_node 226 * @allnextpp: pointer to ->allnext from last allocated device_node
226 * @fpsize: Size of the node path up at the current depth. 227 * @fpsize: Size of the node path up at the current depth.
227 */ 228 */
228unsigned long __init unflatten_dt_node(unsigned long mem, 229unsigned long unflatten_dt_node(struct boot_param_header *blob,
229 unsigned long *p, 230 unsigned long mem,
230 struct device_node *dad, 231 unsigned long *p,
231 struct device_node ***allnextpp, 232 struct device_node *dad,
232 unsigned long fpsize) 233 struct device_node ***allnextpp,
234 unsigned long fpsize)
233{ 235{
234 struct device_node *np; 236 struct device_node *np;
235 struct property *pp, **prev_pp = NULL; 237 struct property *pp, **prev_pp = NULL;
@@ -325,10 +327,10 @@ unsigned long __init unflatten_dt_node(unsigned long mem,
325 sz = be32_to_cpup((__be32 *)(*p)); 327 sz = be32_to_cpup((__be32 *)(*p));
326 noff = be32_to_cpup((__be32 *)((*p) + 4)); 328 noff = be32_to_cpup((__be32 *)((*p) + 4));
327 *p += 8; 329 *p += 8;
328 if (be32_to_cpu(initial_boot_params->version) < 0x10) 330 if (be32_to_cpu(blob->version) < 0x10)
329 *p = ALIGN(*p, sz >= 8 ? 8 : 4); 331 *p = ALIGN(*p, sz >= 8 ? 8 : 4);
330 332
331 pname = of_fdt_get_string(initial_boot_params, noff); 333 pname = of_fdt_get_string(blob, noff);
332 if (pname == NULL) { 334 if (pname == NULL) {
333 pr_info("Can't find property name in list !\n"); 335 pr_info("Can't find property name in list !\n");
334 break; 336 break;
@@ -407,7 +409,8 @@ unsigned long __init unflatten_dt_node(unsigned long mem,
407 if (tag == OF_DT_NOP) 409 if (tag == OF_DT_NOP)
408 *p += 4; 410 *p += 4;
409 else 411 else
410 mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize); 412 mem = unflatten_dt_node(blob, mem, p, np, allnextpp,
413 fpsize);
411 tag = be32_to_cpup((__be32 *)(*p)); 414 tag = be32_to_cpup((__be32 *)(*p));
412 } 415 }
413 if (tag != OF_DT_END_NODE) { 416 if (tag != OF_DT_END_NODE) {
@@ -599,7 +602,8 @@ void __init unflatten_device_tree(void)
599 /* First pass, scan for size */ 602 /* First pass, scan for size */
600 start = ((unsigned long)initial_boot_params) + 603 start = ((unsigned long)initial_boot_params) +
601 be32_to_cpu(initial_boot_params->off_dt_struct); 604 be32_to_cpu(initial_boot_params->off_dt_struct);
602 size = unflatten_dt_node(0, &start, NULL, NULL, 0); 605 size = unflatten_dt_node(initial_boot_params, 0, &start,
606 NULL, NULL, 0);
603 size = (size | 3) + 1; 607 size = (size | 3) + 1;
604 608
605 pr_debug(" size is %lx, allocating...\n", size); 609 pr_debug(" size is %lx, allocating...\n", size);
@@ -616,7 +620,8 @@ void __init unflatten_device_tree(void)
616 /* Second pass, do actual unflattening */ 620 /* Second pass, do actual unflattening */
617 start = ((unsigned long)initial_boot_params) + 621 start = ((unsigned long)initial_boot_params) +
618 be32_to_cpu(initial_boot_params->off_dt_struct); 622 be32_to_cpu(initial_boot_params->off_dt_struct);
619 unflatten_dt_node(mem, &start, NULL, &allnextp, 0); 623 unflatten_dt_node(initial_boot_params, mem, &start,
624 NULL, &allnextp, 0);
620 if (be32_to_cpup((__be32 *)start) != OF_DT_END) 625 if (be32_to_cpup((__be32 *)start) != OF_DT_END)
621 pr_warning("Weird tag at end of tree: %08x\n", *((u32 *)start)); 626 pr_warning("Weird tag at end of tree: %08x\n", *((u32 *)start));
622 if (be32_to_cpu(((__be32 *)mem)[size / 4]) != 0xdeadbeef) 627 if (be32_to_cpu(((__be32 *)mem)[size / 4]) != 0xdeadbeef)