diff options
Diffstat (limited to 'drivers/mtd/nand/jz4780_nand.c')
-rw-r--r-- | drivers/mtd/nand/jz4780_nand.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/mtd/nand/jz4780_nand.c b/drivers/mtd/nand/jz4780_nand.c index e1c016c9d32d..daf3c4217f4d 100644 --- a/drivers/mtd/nand/jz4780_nand.c +++ b/drivers/mtd/nand/jz4780_nand.c @@ -17,7 +17,6 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/gpio/consumer.h> -#include <linux/of_mtd.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/mtd/mtd.h> @@ -56,8 +55,6 @@ struct jz4780_nand_chip { struct nand_chip chip; struct list_head chip_list; - struct nand_ecclayout ecclayout; - struct gpio_desc *busy_gpio; struct gpio_desc *wp_gpio; unsigned int reading: 1; @@ -165,8 +162,7 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de struct nand_chip *chip = &nand->chip; struct mtd_info *mtd = nand_to_mtd(chip); struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(chip->controller); - struct nand_ecclayout *layout = &nand->ecclayout; - u32 start, i; + int eccbytes; chip->ecc.bytes = fls((1 + 8) * chip->ecc.size) * (chip->ecc.strength / 8); @@ -183,7 +179,6 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de chip->ecc.correct = jz4780_nand_ecc_correct; /* fall through */ case NAND_ECC_SOFT: - case NAND_ECC_SOFT_BCH: dev_info(dev, "using %s (strength %d, size %d, bytes %d)\n", (nfc->bch) ? "hardware BCH" : "software ECC", chip->ecc.strength, chip->ecc.size, chip->ecc.bytes); @@ -201,23 +196,17 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de return 0; /* Generate ECC layout. ECC codes are right aligned in the OOB area. */ - layout->eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes; + eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes; - if (layout->eccbytes > mtd->oobsize - 2) { + if (eccbytes > mtd->oobsize - 2) { dev_err(dev, "invalid ECC config: required %d ECC bytes, but only %d are available", - layout->eccbytes, mtd->oobsize - 2); + eccbytes, mtd->oobsize - 2); return -EINVAL; } - start = mtd->oobsize - layout->eccbytes; - for (i = 0; i < layout->eccbytes; i++) - layout->eccpos[i] = start + i; - - layout->oobfree[0].offset = 2; - layout->oobfree[0].length = mtd->oobsize - layout->eccbytes - 2; + mtd->ooblayout = &nand_ooblayout_lp_ops; - chip->ecc.layout = layout; return 0; } |