[PATCH v2 20/51] mtd: docg3: switch to mtd_ooblayout_ops
From: Boris Brezillon <hidden>
Date: 2016-02-04 10:07:49
Also in:
linux-arm-kernel, linux-samsung-soc, lkml
Subsystem:
memory technology devices (mtd), msystems diskonchip g3 mtd driver, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Robert Jarzmik, Linus Torvalds
Replace the nand_ecclayout definition by the equivalent mtd_ooblayout_ops definition. Signed-off-by: Boris Brezillon <redacted> --- drivers/mtd/devices/docg3.c | 38 +++++++++++++++++++++++++++++++++----- 1 file changed, 33 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 6b516e1..0f63f51 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c@@ -73,10 +73,38 @@ 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_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + 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; + + 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 +1885,7 @@ 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;
--
2.1.4