mtd: nand: s3c2410: switch to mtd_ooblayout_ops
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Mon May 23 21:59:18 PDT 2016
Gitweb: http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=bf01e06b32c6cb4b1a08d03434b4559974656669
Commit: bf01e06b32c6cb4b1a08d03434b4559974656669
Parent: 39980c5616d6a4723143e258550f2844e0138d36
Author: Boris Brezillon <boris.brezillon at free-electrons.com>
AuthorDate: Wed Feb 3 20:03:30 2016 +0100
Committer: Boris Brezillon <boris.brezillon at free-electrons.com>
CommitDate: Thu May 5 23:51:47 2016 +0200
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 at 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 86ffb73..4c043db 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 */
@@ -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);
}
}
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