mtd: nand: s3c2410: switch to mtd_ooblayout_ops
authorBoris Brezillon <boris.brezillon@free-electrons.com>
Wed, 3 Feb 2016 19:03:30 +0000 (20:03 +0100)
committerBoris Brezillon <boris.brezillon@free-electrons.com>
Thu, 5 May 2016 21:51:47 +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/s3c2410.c

index 86ffb73e10853b9ac22dfce93bb5a85984b2cfdf..4c043db5513168e822f3de897af282afb2fbabe3 100644 (file)
 
 /* new oob placement block for use with hardware ecc generation
  */
+static int s3c2410_ooblayout_ecc(struct mtd_info *mtd, int section,
+                                struct mtd_oob_region *oobregion)
+{
+       if (section)
+               return -ERANGE;
+
+       oobregion->offset = 0;
+       oobregion->length = 3;
+
+       return 0;
+}
+
+static int s3c2410_ooblayout_free(struct mtd_info *mtd, int section,
+                                 struct mtd_oob_region *oobregion)
+{
+       if (section)
+               return -ERANGE;
+
+       oobregion->offset = 8;
+       oobregion->length = 8;
+
+       return 0;
+}
 
-static struct nand_ecclayout nand_hw_eccoob = {
-       .eccbytes = 3,
-       .eccpos = {0, 1, 2},
-       .oobfree = {{8, 8}}
+static const struct mtd_ooblayout_ops s3c2410_ooblayout_ops = {
+       .ecc = s3c2410_ooblayout_ecc,
+       .free = s3c2410_ooblayout_free,
 };
 
 /* controller and mtd information */
@@ -920,7 +942,7 @@ static void s3c2410_nand_update_chip(struct s3c2410_nand_info *info,
        } else {
                chip->ecc.size      = 512;
                chip->ecc.bytes     = 3;
-               chip->ecc.layout    = &nand_hw_eccoob;
+               mtd_set_ooblayout(nand_to_mtd(chip), &s3c2410_ooblayout_ops);
        }
 }