Messages in this thread Patch in this message | | | From | Robert Jarzmik <> | Subject | [PATCH 06/13] mtd/docg3: add OOB layout to mtdinfo | Date | Fri, 28 Oct 2011 19:51:25 +0200 |
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Add OOB layout description for docg3, so that userspace can use this information to setup the data for write_oob().
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> --- drivers/mtd/devices/docg3.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 709d886..26fc135 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -63,6 +63,18 @@ * */ +/** + * 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 inline u8 doc_readb(struct docg3 *docg3, u16 reg) { u8 val = readb(docg3->base + reg); @@ -977,6 +989,7 @@ static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) mtd->write_oob = NULL; mtd->sync = NULL; mtd->block_isbad = doc_block_isbad; + mtd->ecclayout = &docg3_oobinfo; } /** -- 1.7.5.4
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