I think we need the patch below to restore the old behavior where a partitions scan happens only for those sub-drivers that do report a partition shift. MTD maintainers: is this intentional that raw mtdblock does not support partitions, but the various "FTL" modules do? diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 113f86df76038..57a22d2ebaeca 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -345,6 +345,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) gd->first_minor = (new->devnum) << tr->part_bits; gd->minors = 1 << tr->part_bits; gd->fops = &mtd_block_ops; + if (!tr->part_bits) + gd->flags |= GENHD_FL_NO_PART; if (tr->part_bits) if (new->devnum < 26)
