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authorGrant Likely <grant.likely@secretlab.ca>2009-11-23 18:54:23 -0700
committerGrant Likely <grant.likely@secretlab.ca>2009-11-23 18:54:23 -0700
commitc8cb7a59842c0b512b44f6f818cdb0b5a3ddc89e (patch)
tree74d7b5c8dac3d5167b0394b5967bad52681dc28e /arch/powerpc/kernel/prom.c
parente169cfbef46d62e042614ffafa8880eed1d894bb (diff)
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of/flattree: merge of_scan_flat_dt
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>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
-rw-r--r--arch/powerpc/kernel/prom.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index fccf7e4..14a07b9 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -80,67 +80,6 @@ extern rwlock_t devtree_lock; /* temporary while merging */
/* export that to outside world */
struct device_node *of_chosen;
-/**
- * This function is used to scan the flattened device-tree, it is
- * used to extract the memory informations at boot before we can
- * unflatten the tree
- */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
- const char *uname, int depth,
- void *data),
- void *data)
-{
- unsigned long p = ((unsigned long)initial_boot_params) +
- initial_boot_params->off_dt_struct;
- int rc = 0;
- int depth = -1;
-
- do {
- u32 tag = *((u32 *)p);
- char *pathp;
-
- p += 4;
- if (tag == OF_DT_END_NODE) {
- depth --;
- continue;
- }
- if (tag == OF_DT_NOP)
- continue;
- if (tag == OF_DT_END)
- break;
- if (tag == OF_DT_PROP) {
- u32 sz = *((u32 *)p);
- p += 8;
- if (initial_boot_params->version < 0x10)
- p = _ALIGN(p, sz >= 8 ? 8 : 4);
- p += sz;
- p = _ALIGN(p, 4);
- continue;
- }
- if (tag != OF_DT_BEGIN_NODE) {
- printk(KERN_WARNING "Invalid tag %x scanning flattened"
- " device tree !\n", tag);
- return -EINVAL;
- }
- depth++;
- pathp = (char *)p;
- p = _ALIGN(p + strlen(pathp) + 1, 4);
- if ((*pathp) == '/') {
- char *lp, *np;
- for (lp = NULL, np = pathp; *np; np++)
- if ((*np) == '/')
- lp = np+1;
- if (lp != NULL)
- pathp = lp;
- }
- rc = it(p, pathp, depth, data);
- if (rc != 0)
- break;
- } while(1);
-
- return rc;
-}
-
unsigned long __init of_get_flat_dt_root(void)
{
unsigned long p = ((unsigned long)initial_boot_params) +