mtd: nand: hisi504: switch to mtd_ooblayout_ops
authorBoris Brezillon <boris.brezillon@free-electrons.com>
Wed, 3 Feb 2016 19:02:09 +0000 (20:02 +0100)
committerBoris Brezillon <boris.brezillon@free-electrons.com>
Thu, 5 May 2016 21:51:44 +0000 (23:51 +0200)
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@free-electrons.com>
drivers/mtd/nand/hisi504_nand.c

index 96502b6..7bf844c 100644 (file)
@@ -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;