mtd: nand: hisi504: switch to mtd_ooblayout_ops

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=2ca9ec9acd3bea9f3160e0e0975c06914da3ae4e
Commit:     2ca9ec9acd3bea9f3160e0e0975c06914da3ae4e
Parent:     3f158e47dfe92ee53f1e09c5fa76a07116100f02
Author:     Boris Brezillon <boris.brezillon at free-electrons.com>
AuthorDate: Wed Feb 3 20:02:09 2016 +0100
Committer:  Boris Brezillon <boris.brezillon at free-electrons.com>
CommitDate: Thu May 5 23:51:44 2016 +0200

    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: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 drivers/mtd/nand/hisi504_nand.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

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;