diff options
Diffstat (limited to 'drivers/mtd/nand/hisi504_nand.c')
| -rw-r--r-- | drivers/mtd/nand/hisi504_nand.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c index 96502b624cfb..9432546f4cd4 100644 --- a/drivers/mtd/nand/hisi504_nand.c +++ b/drivers/mtd/nand/hisi504_nand.c @@ -19,7 +19,6 @@ * GNU General Public License for more details. */ #include <linux/of.h> -#include <linux/of_mtd.h> #include <linux/mtd/mtd.h> #include <linux/sizes.h> #include <linux/clk.h> @@ -631,8 +630,28 @@ static void hisi_nfc_host_init(struct hinfc_host *host) hinfc_write(host, HINFC504_INTEN_DMA, HINFC504_INTEN); } -static struct nand_ecclayout nand_ecc_2K_16bits = { - .oobfree = { {2, 6} }, +static int hisi_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + /* FIXME: add ECC bytes position */ + return -ENOTSUPP; +} + +static int hisi_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 2; + oobregion->length = 6; + + return 0; +} + +static const struct mtd_ooblayout_ops hisi_ooblayout_ops = { + .ecc = hisi_ooblayout_ecc, + .free = hisi_ooblayout_free, }; static int hisi_nfc_ecc_probe(struct hinfc_host *host) @@ -642,10 +661,9 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host) struct device *dev = host->dev; struct nand_chip *chip = &host->chip; struct mtd_info *mtd = nand_to_mtd(chip); - struct device_node *np = host->dev->of_node; - size = of_get_nand_ecc_step_size(np); - strength = of_get_nand_ecc_strength(np); + size = chip->ecc.size; + strength = chip->ecc.strength; if (size != 1024) { dev_err(dev, "error ecc size: %d\n", size); return -EINVAL; @@ -668,7 +686,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host) case 16: ecc_bits = 6; if (mtd->writesize == 2048) - chip->ecc.layout = &nand_ecc_2K_16bits; + mtd_set_ooblayout(mtd, &hisi_ooblayout_ops); /* TODO: add more page size support */ break; @@ -695,7 +713,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host) static int hisi_nfc_probe(struct platform_device *pdev) { - int ret = 0, irq, buswidth, flag, max_chips = HINFC504_MAX_CHIP; + int ret = 0, irq, flag, max_chips = HINFC504_MAX_CHIP; struct device *dev = &pdev->dev; struct hinfc_host *host; struct nand_chip *chip; @@ -747,12 +765,6 @@ static int hisi_nfc_probe(struct platform_device *pdev) chip->read_buf = hisi_nfc_read_buf; chip->chip_delay = HINFC504_CHIP_DELAY; - chip->ecc.mode = of_get_nand_ecc_mode(np); - - buswidth = of_get_nand_bus_width(np); - if (buswidth == 16) - chip->options |= NAND_BUSWIDTH_16; - hisi_nfc_host_init(host); ret = devm_request_irq(dev, irq, hinfc_irq_handle, 0x0, "nandc", host); |