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Commit 4007e2d1 authored by Ron Lee's avatar Ron Lee Committed by Brian Norris
Browse files

NAND_ECC_SOFT_BCH can support subpage reads too 



Signed-off-by: default avatarRon Lee <ron@debian.org>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 96ba9dd6

drivers/mtd/nand/nand_base.c

+10 −2
Original line number Diff line number Diff line
@@ -4047,8 +4047,16 @@ int nand_scan_tail(struct mtd_info *mtd) 
	chip->pagebuf = -1;



	/* Large page NAND with SOFT_ECC should support subpage reads */

	if ((ecc->mode == NAND_ECC_SOFT) && (chip->page_shift > 9))

	switch (ecc->mode) {

	case NAND_ECC_SOFT:

	case NAND_ECC_SOFT_BCH:

		if (chip->page_shift > 9)

			chip->options |= NAND_SUBPAGE_READ;

		break;



	default:

		break;

	}



	/* Fill in remaining MTD driver data */

	mtd->type = nand_is_slc(chip) ? MTD_NANDFLASH : MTD_MLCNANDFLASH;