[PATCH v3 50/52] staging: mt29f_spinand: switch to mtd_ooblayout_ops
From: Boris Brezillon <hidden>
Date: 2016-02-26 01:10:30
Also in:
linux-arm-kernel, linux-mips, linux-samsung-soc, lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Replace the nand_ecclayout definition by the equivalent mtd_ooblayout_ops definition. Signed-off-by: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> --- drivers/staging/mt29f_spinand/mt29f_spinand.c | 48 +++++++++++++++++---------- 1 file changed, 30 insertions(+), 18 deletions(-)
diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c
index 6728376..b9f9347 100644
--- a/drivers/staging/mt29f_spinand/mt29f_spinand.c
+++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c@@ -42,23 +42,33 @@ static inline struct spinand_state *mtd_to_state(struct mtd_info *mtd) static int enable_hw_ecc; static int enable_read_hw_ecc; -static struct nand_ecclayout spinand_oob_64 = { - .eccbytes = 24, - .eccpos = { - 1, 2, 3, 4, 5, 6, - 17, 18, 19, 20, 21, 22, - 33, 34, 35, 36, 37, 38, - 49, 50, 51, 52, 53, 54, }, - .oobfree = { - {.offset = 8, - .length = 8}, - {.offset = 24, - .length = 8}, - {.offset = 40, - .length = 8}, - {.offset = 56, - .length = 8}, - } +static int spinand_ooblayout_64_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section > 3) + return -ERANGE; + + oobregion->offset = (section * 16) + 1; + oobregion->length = 6; + + return 0; +} + +static int spinand_ooblayout_64_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section > 3) + return -ERANGE; + + oobregion->offset = (section * 16) + 8; + oobregion->length = 8; + + return 0; +} + +static const struct mtd_ooblayout_ops spinand_oob_64_ops = { + .ecc = spinand_ooblayout_64_ecc, + .free = spinand_ooblayout_64_free, }; #endif
@@ -883,7 +893,6 @@ static int spinand_probe(struct spi_device *spi_nand) chip->ecc.strength = 1; chip->ecc.total = chip->ecc.steps * chip->ecc.bytes; - chip->ecc.layout = &spinand_oob_64; chip->ecc.read_page = spinand_read_page_hwecc; chip->ecc.write_page = spinand_write_page_hwecc; #else
@@ -908,6 +917,9 @@ static int spinand_probe(struct spi_device *spi_nand) mtd->dev.parent = &spi_nand->dev; mtd->oobsize = 64; +#ifdef CONFIG_MTD_SPINAND_ONDIEECC + mtd_set_ooblayout(mtd, &spinand_oob_64_ops); +#endif if (nand_scan(mtd, 1)) return -ENXIO;
--
2.1.4