of/flattree: merge of_scan_flat_dt

[firefly-linux-kernel-4.4.55.git] / arch / microblaze / kernel / prom.c

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 06d620ab4168de8dce8dc038693ad369dfbc9f41..0db8ee64ffe65f922711595726e603bc4201ab16 100644 (file)
--- 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) +