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[PATCH v5 41/50] mtd: nand: s3c2410: switch to mtd_ooblayout_ops

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  [PATCH v5 41/50] mtd: nand: s3c2410: switch to mtd_ooblayout_ops Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-30 18:30 +0200

#1367358 — [PATCH v5 41/50] mtd: nand: s3c2410: 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@free-electrons.com>
---
 drivers/mtd/nand/s3c2410.c | 32 +++++++++++++++++++++++++++-----
 1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 9c9397b..700c097 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -84,11 +84,33 @@
 
 /* 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 */
@@ -919,7 +941,7 @@ 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);
 	}
 }
 
-- 
2.5.0

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