The default nand_read_subpage implementation returns -ENOSUPP, so if you use a large nand chip without a specific read_subpage implementation the read operations will always fail. This functionaliy can be restored when a proper nand_read_subpage is implemented for the default driver. Signed-off-by: Tjalling Hattink <t.hattink@xxxxxxxx> --- drivers/mtd/nand/nand_base.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 54d8ba3..bfd695b 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -3562,10 +3562,6 @@ int nand_scan_tail(struct mtd_info *mtd) /* Invalidate the pagebuffer reference */ chip->pagebuf = -1; - /* Large page NAND with SOFT_ECC should support subpage reads */ - if ((chip->ecc.mode == NAND_ECC_SOFT) && (chip->page_shift > 9)) - chip->options |= NAND_SUBPAGE_READ; - /* Fill in remaining MTD driver data */ mtd->type = MTD_NANDFLASH; mtd->flags = (chip->options & NAND_ROM) ? MTD_CAP_ROM : -- 1.8.3.2 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox