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Commit 2ca9ec9a authored by Boris Brezillon's avatar Boris Brezillon
Browse files

mtd: nand: hisi504: switch to mtd_ooblayout_ops 



Implementing the mtd_ooblayout_ops interface is the new way of exposing
ECC/OOB layout to MTD users.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent 3f158e47

drivers/mtd/nand/hisi504_nand.c

+23 −3
Original line number Diff line number Diff line
@@ -631,8 +631,28 @@ static void hisi_nfc_host_init(struct hinfc_host *host) 
	hinfc_write(host, HINFC504_INTEN_DMA, HINFC504_INTEN);

}



static struct nand_ecclayout nand_ecc_2K_16bits = {

	.oobfree = { {2, 6} },

static int hisi_ooblayout_ecc(struct mtd_info *mtd, int section,

			      struct mtd_oob_region *oobregion)

{

	/* FIXME: add ECC bytes position */

	return -ENOTSUPP;

}



static int hisi_ooblayout_free(struct mtd_info *mtd, int section,

			       struct mtd_oob_region *oobregion)

{

	if (section)

		return -ERANGE;



	oobregion->offset = 2;

	oobregion->length = 6;



	return 0;

}



static const struct mtd_ooblayout_ops hisi_ooblayout_ops = {

	.ecc = hisi_ooblayout_ecc,

	.free = hisi_ooblayout_free,

};



static int hisi_nfc_ecc_probe(struct hinfc_host *host)
@@ -668,7 +688,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host) 
	case 16:

		ecc_bits = 6;

		if (mtd->writesize == 2048)

			chip->ecc.layout = &nand_ecc_2K_16bits;

			mtd_set_ooblayout(mtd, &hisi_ooblayout_ops);



		/* TODO: add more page size support */

		break;