diff options
Diffstat (limited to 'drivers/mtd/nand/raw/jz4780_nand.c')
-rw-r--r-- | drivers/mtd/nand/raw/jz4780_nand.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/mtd/nand/raw/jz4780_nand.c b/drivers/mtd/nand/raw/jz4780_nand.c index e69f6ae4c539..db4fa60bd52a 100644 --- a/drivers/mtd/nand/raw/jz4780_nand.c +++ b/drivers/mtd/nand/raw/jz4780_nand.c @@ -44,7 +44,7 @@ struct jz4780_nand_cs { struct jz4780_nand_controller { struct device *dev; struct jz4780_bch *bch; - struct nand_hw_control controller; + struct nand_controller controller; unsigned int num_banks; struct list_head chips; int selected; @@ -65,7 +65,8 @@ static inline struct jz4780_nand_chip *to_jz4780_nand_chip(struct mtd_info *mtd) return container_of(mtd_to_nand(mtd), struct jz4780_nand_chip, chip); } -static inline struct jz4780_nand_controller *to_jz4780_nand_controller(struct nand_hw_control *ctrl) +static inline struct jz4780_nand_controller +*to_jz4780_nand_controller(struct nand_controller *ctrl) { return container_of(ctrl, struct jz4780_nand_controller, controller); } @@ -157,9 +158,8 @@ static int jz4780_nand_ecc_correct(struct mtd_info *mtd, u8 *dat, return jz4780_bch_correct(nfc->bch, ¶ms, dat, read_ecc); } -static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *dev) +static int jz4780_nand_attach_chip(struct nand_chip *chip) { - 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); int eccbytes; @@ -170,7 +170,8 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de switch (chip->ecc.mode) { case NAND_ECC_HW: if (!nfc->bch) { - dev_err(dev, "HW BCH selected, but BCH controller not found\n"); + dev_err(nfc->dev, + "HW BCH selected, but BCH controller not found\n"); return -ENODEV; } @@ -179,15 +180,16 @@ 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: - 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); + dev_info(nfc->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); break; case NAND_ECC_NONE: - dev_info(dev, "not using ECC\n"); + dev_info(nfc->dev, "not using ECC\n"); break; default: - dev_err(dev, "ECC mode %d not supported\n", chip->ecc.mode); + dev_err(nfc->dev, "ECC mode %d not supported\n", + chip->ecc.mode); return -EINVAL; } @@ -199,7 +201,7 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes; if (eccbytes > mtd->oobsize - 2) { - dev_err(dev, + dev_err(nfc->dev, "invalid ECC config: required %d ECC bytes, but only %d are available", eccbytes, mtd->oobsize - 2); return -EINVAL; @@ -210,6 +212,10 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de return 0; } +static const struct nand_controller_ops jz4780_nand_controller_ops = { + .attach_chip = jz4780_nand_attach_chip, +}; + static int jz4780_nand_init_chip(struct platform_device *pdev, struct jz4780_nand_controller *nfc, struct device_node *np, @@ -279,15 +285,8 @@ static int jz4780_nand_init_chip(struct platform_device *pdev, chip->controller = &nfc->controller; nand_set_flash_node(chip, np); - ret = nand_scan_ident(mtd, 1, NULL); - if (ret) - return ret; - - ret = jz4780_nand_init_ecc(nand, dev); - if (ret) - return ret; - - ret = nand_scan_tail(mtd); + chip->controller->ops = &jz4780_nand_controller_ops; + ret = nand_scan(mtd, 1); if (ret) return ret; @@ -368,7 +367,7 @@ static int jz4780_nand_probe(struct platform_device *pdev) nfc->dev = dev; nfc->num_banks = num_banks; - nand_hw_control_init(&nfc->controller); + nand_controller_init(&nfc->controller); INIT_LIST_HEAD(&nfc->chips); ret = jz4780_nand_init_chips(nfc, pdev); |