mtd: rawnand: ingenic: Add ooblayout for the Qi Ben Nanonote (2a738583) · Commits · 戴 / test

drivers/mtd/nand/raw/ingenic/ingenic_nand.c

+40 −1

Original line number	Diff line number	Diff line
		@@ -72,6 +72,41 @@ static inline struct ingenic_nfc to_ingenic_nfc(struct nand_controller ctrl)
		return container_of(ctrl, struct ingenic_nfc, controller);
		}

		static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
		struct mtd_oob_region *oobregion)
		{
		struct nand_chip *chip = mtd_to_nand(mtd);
		struct nand_ecc_ctrl *ecc = &chip->ecc;

		if (section \|\| !ecc->total)
		return -ERANGE;

		oobregion->length = ecc->total;
		oobregion->offset = 12;

		return 0;
		}

		static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
		struct mtd_oob_region *oobregion)
		{
		struct nand_chip *chip = mtd_to_nand(mtd);
		struct nand_ecc_ctrl *ecc = &chip->ecc;

		if (section)
		return -ERANGE;

		oobregion->length = mtd->oobsize - ecc->total - 12;
		oobregion->offset = 12 + ecc->total;

		return 0;
		}

		const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
		.ecc = qi_lb60_ooblayout_ecc,
		.free = qi_lb60_ooblayout_free,
		};

		static int jz4725b_ooblayout_ecc(struct mtd_info *mtd, int section,
		struct mtd_oob_region *oobregion)
		{
		@@ -247,6 +282,10 @@ static int ingenic_nand_attach_chip(struct nand_chip *chip)
		return -EINVAL;
		}

		/* For legacy reasons we use a different layout on the qi,lb60 board. */
		if (of_machine_is_compatible("qi,lb60"))
		mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
		else
		mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout);

		return 0;