[MTD] NAND: add subpage write support
Many SLC NANDs support up to 4 writes at one NAND page. Add support
of this feature.
Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index ec51483..0690268 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -772,6 +772,7 @@
concat->mtd.ecc_stats.badblocks +=
subdev[i]->ecc_stats.badblocks;
if (concat->mtd.writesize != subdev[i]->writesize ||
+ concat->mtd.subpage_sft != subdev[i]->subpage_sft ||
concat->mtd.oobsize != subdev[i]->oobsize ||
concat->mtd.ecctype != subdev[i]->ecctype ||
concat->mtd.eccsize != subdev[i]->eccsize ||