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path: root/drivers/mtd/nand/raw/jz4780_nand.c
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Diffstat (limited to 'drivers/mtd/nand/raw/jz4780_nand.c')
-rw-r--r--drivers/mtd/nand/raw/jz4780_nand.c41
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, &params, 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);