mtd: fix compiler warnings

- add missing declaration
- update debug output format specifiers

Signed-off-by: Steve Rae <steve.rae@raedomain.com>

cmd/mtdparts.c

@@ -1493,7 +1493,7 @@ static int spread_partitions(void)
 			part = list_entry(pentry, struct part_info, link);
 
 			debug("spread_partitions: device = %s%d, partition %d ="
-				" (%s) 0x%08x@0x%08x\n",
+				" (%s) 0x%08llx@0x%08llx\n",
 				MTD_DEV_TYPE(dev->id->type), dev->id->num,
 				part_num, part->name, part->size,
 				part->offset);
@@ -2025,7 +2025,7 @@ static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc,
 
 		if (!strcmp(&argv[1][3], ".spread")) {
 			spread_partition(mtd, p, &next_offset);
-			debug("increased %s to %d bytes\n", p->name, p->size);
+			debug("increased %s to %llu bytes\n", p->name, p->size);
 		}
 #endif
 

include/linux/mtd/mtd.h

@@ -500,5 +500,10 @@ int mtd_arg_off(const char *arg, int *idx, loff_t *off, loff_t *size,
 int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
 		     loff_t *size, loff_t *maxsize, int devtype,
 		     uint64_t chipsize);
+
+/* drivers/mtd/mtdcore.c */
+void mtd_get_len_incl_bad(struct mtd_info *mtd, uint64_t offset,
+			  const uint64_t length, uint64_t *len_incl_bad,
+			  int *truncated);
 #endif
 #endif /* __MTD_MTD_H__ */