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Commit bf01e06b authored by Boris Brezillon's avatar Boris Brezillon
Browse files

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: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent 39980c56

drivers/mtd/nand/s3c2410.c

+27 −5
Original line number Diff line number Diff line
@@ -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);

	}

}