[v5,35/50] mtd: nand: hisi504: switch to mtd_ooblayout_ops

Commit Message

Boris BREZILLON March 30, 2016, 4:14 p.m. UTC

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

Signed-off-by: Boris Brezillon <[e-mail]>
---
 drivers/mtd/nand/hisi504_nand.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c
index 96502b6..7bf844c 100644
--- a/drivers/mtd/nand/hisi504_nand.c
+++ b/drivers/mtd/nand/hisi504_nand.c
@@ -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;