Commit 1bd0b247 authored by Boris Brezillon's avatar Boris Brezillon
Browse files

mtd: docg3: switch to mtd_ooblayout_ops 



Replace the nand_ecclayout definition by the equivalent mtd_ooblayout_ops
definition.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
parent adbbc3bc

drivers/mtd/devices/docg3.c

+35 −11
Original line number Diff line number Diff line
@@ -67,16 +67,40 @@ module_param(reliable_mode, uint, 0); 
MODULE_PARM_DESC(reliable_mode, "Set the docg3 mode (0=normal MLC, 1=fast, "

		 "2=reliable) : MLC normal operations are in normal mode");



/**

 * struct docg3_oobinfo - DiskOnChip G3 OOB layout

 * @eccbytes: 8 bytes are used (1 for Hamming ECC, 7 for BCH ECC)

 * @eccpos: ecc positions (byte 7 is Hamming ECC, byte 8-14 are BCH ECC)

 * @oobfree: free pageinfo bytes (byte 0 until byte 6, byte 15

 */

static struct nand_ecclayout docg3_oobinfo = {

	.eccbytes = 8,

	.eccpos = {7, 8, 9, 10, 11, 12, 13, 14},

	.oobfree = {{0, 7}, {15, 1} },

static int docg3_ooblayout_ecc(struct mtd_info *mtd, int section,

			       struct mtd_oob_region *oobregion)

{

	if (section)

		return -ERANGE;



	/* byte 7 is Hamming ECC, byte 8-14 are BCH ECC */

	oobregion->offset = 7;

	oobregion->length = 8;



	return 0;

}



static int docg3_ooblayout_free(struct mtd_info *mtd, int section,

				struct mtd_oob_region *oobregion)

{

	if (section > 1)

		return -ERANGE;



	/* free bytes: byte 0 until byte 6, byte 15 */

	if (!section) {

		oobregion->offset = 0;

		oobregion->length = 7;

	} else {

		oobregion->offset = 15;

		oobregion->length = 1;

	}



	return 0;

}



static const struct mtd_ooblayout_ops nand_ooblayout_docg3_ops = {

	.ecc = docg3_ooblayout_ecc,

	.free = docg3_ooblayout_free,

};



static inline u8 doc_readb(struct docg3 *docg3, u16 reg)
@@ -1857,7 +1881,7 @@ static int __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) 
	mtd->_read_oob = doc_read_oob;

	mtd->_write_oob = doc_write_oob;

	mtd->_block_isbad = doc_block_isbad;

	mtd_set_ecclayout(mtd, &docg3_oobinfo);

	mtd_set_ooblayout(mtd, &nand_ooblayout_docg3_ops);

	mtd->oobavail = 8;

	mtd->ecc_strength = DOC_ECC_BCH_T;