+ if (yaffs_init_nand(dev) != YAFFS_OK) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "InitialiseNAND failed");
+ return YAFFS_FAIL;
+ }
+
+ return YAFFS_OK;
+}
+
+
+int yaffs_format_dev(struct yaffs_dev *dev)
+{
+ int i;
+ enum yaffs_block_state state;
+ u32 dummy;
+
+ if(yaffs_guts_ll_init(dev) != YAFFS_OK)
+ return YAFFS_FAIL;
+
+ if(dev->is_mounted)
+ return YAFFS_FAIL;
+
+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
+ yaffs_query_init_block_state(dev, i, &state, &dummy);
+ if (state != YAFFS_BLOCK_STATE_DEAD)
+ yaffs_erase_block(dev, i);
+ }
+
+ return YAFFS_OK;
+}
+
+
+int yaffs_guts_initialise(struct yaffs_dev *dev)
+{
+ int init_failed = 0;
+ unsigned x;
+ int bits;
+
+ if(yaffs_guts_ll_init(dev) != YAFFS_OK)
+ return YAFFS_FAIL;
+
+ if (dev->is_mounted) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "device already mounted");
+ return YAFFS_FAIL;
+ }