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    Subject[PATCH 16/23] mtd: docg3: switch to mtd_ooblayout_ops
    Date
    Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
    ---
    drivers/mtd/devices/docg3.c | 34 +++++++++++++++++++++++++++++-----
    1 file changed, 29 insertions(+), 5 deletions(-)

    diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
    index 6b516e1..7463dd8 100644
    --- a/drivers/mtd/devices/docg3.c
    +++ b/drivers/mtd/devices/docg3.c
    @@ -73,10 +73,34 @@ MODULE_PARM_DESC(reliable_mode, "Set the docg3 mode (0=normal MLC, 1=fast, "
    * @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_eccpos(struct mtd_info *mtd, int eccbyte)
    +{
    + if (eccbyte >= 8)
    + return -ERANGE;
    +
    + return eccbyte + 7;
    +}
    +
    +static int docg3_oobfree(struct mtd_info *mtd, int section,
    + struct nand_oobfree *oobfree)
    +{
    + if (section > 1)
    + return -ERANGE;
    +
    + if (!section) {
    + oobfree->offset = 0;
    + oobfree->length = 7;
    + } else {
    + oobfree->offset = 15;
    + oobfree->length = 1;
    + }
    +
    + return 0;
    +}
    +
    +static const struct nand_ooblayout_ops nand_ooblayout_docg3_ops = {
    + .eccpos = docg3_eccpos,
    + .oobfree = docg3_oobfree,
    };

    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_ops(mtd, &nand_ooblayout_docg3_ops);
    mtd->oobavail = 8;
    mtd->ecc_strength = DOC_ECC_BCH_T;

    --
    2.1.4


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