diff options
Diffstat (limited to 'drivers/mtd/nand/raw/tango_nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/tango_nand.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c index f2052fae21c7..72698691727d 100644 --- a/drivers/mtd/nand/raw/tango_nand.c +++ b/drivers/mtd/nand/raw/tango_nand.c @@ -83,7 +83,7 @@ #define MAX_CS 4 struct tango_nfc { - struct nand_hw_control hw; + struct nand_controller hw; void __iomem *reg_base; void __iomem *mem_base; void __iomem *pbus_base; @@ -517,6 +517,28 @@ static int tango_set_timings(struct mtd_info *mtd, int csline, return 0; } +static int tango_attach_chip(struct nand_chip *chip) +{ + struct nand_ecc_ctrl *ecc = &chip->ecc; + + ecc->mode = NAND_ECC_HW; + ecc->algo = NAND_ECC_BCH; + ecc->bytes = DIV_ROUND_UP(ecc->strength * FIELD_ORDER, BITS_PER_BYTE); + + ecc->read_page_raw = tango_read_page_raw; + ecc->write_page_raw = tango_write_page_raw; + ecc->read_page = tango_read_page; + ecc->write_page = tango_write_page; + ecc->read_oob = tango_read_oob; + ecc->write_oob = tango_write_oob; + + return 0; +} + +static const struct nand_controller_ops tango_controller_ops = { + .attach_chip = tango_attach_chip, +}; + static int chip_init(struct device *dev, struct device_node *np) { u32 cs; @@ -566,22 +588,7 @@ static int chip_init(struct device *dev, struct device_node *np) mtd_set_ooblayout(mtd, &tango_nand_ooblayout_ops); mtd->dev.parent = dev; - err = nand_scan_ident(mtd, 1, NULL); - if (err) - return err; - - ecc->mode = NAND_ECC_HW; - ecc->algo = NAND_ECC_BCH; - ecc->bytes = DIV_ROUND_UP(ecc->strength * FIELD_ORDER, BITS_PER_BYTE); - - ecc->read_page_raw = tango_read_page_raw; - ecc->write_page_raw = tango_write_page_raw; - ecc->read_page = tango_read_page; - ecc->write_page = tango_write_page; - ecc->read_oob = tango_read_oob; - ecc->write_oob = tango_write_oob; - - err = nand_scan_tail(mtd); + err = nand_scan(mtd, 1); if (err) return err; @@ -654,7 +661,8 @@ static int tango_nand_probe(struct platform_device *pdev) return PTR_ERR(nfc->chan); platform_set_drvdata(pdev, nfc); - nand_hw_control_init(&nfc->hw); + nand_controller_init(&nfc->hw); + nfc->hw.ops = &tango_controller_ops; nfc->freq_kHz = clk_get_rate(clk) / 1000; for_each_child_of_node(pdev->dev.of_node, np) { |