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>

1 files changed, 0 insertions, 61 deletions

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 06d620ab4168..0db8ee64ffe6 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -50,67 +50,6 @@ typedef u32 cell_t;
 /* 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) +