diff options
Diffstat (limited to 'drivers/mtd/nand/raw/hisi504_nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/hisi504_nand.c | 68 |
1 files changed, 28 insertions, 40 deletions
diff --git a/drivers/mtd/nand/raw/hisi504_nand.c b/drivers/mtd/nand/raw/hisi504_nand.c index 950dc7789296..f043938ee36b 100644 --- a/drivers/mtd/nand/raw/hisi504_nand.c +++ b/drivers/mtd/nand/raw/hisi504_nand.c @@ -353,9 +353,8 @@ static int hisi_nfc_send_cmd_reset(struct hinfc_host *host, int chipselect) return 0; } -static void hisi_nfc_select_chip(struct mtd_info *mtd, int chipselect) +static void hisi_nfc_select_chip(struct nand_chip *chip, int chipselect) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); if (chipselect < 0) @@ -364,9 +363,8 @@ static void hisi_nfc_select_chip(struct mtd_info *mtd, int chipselect) host->chipselect = chipselect; } -static uint8_t hisi_nfc_read_byte(struct mtd_info *mtd) +static uint8_t hisi_nfc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); if (host->command == NAND_CMD_STATUS) @@ -380,28 +378,17 @@ static uint8_t hisi_nfc_read_byte(struct mtd_info *mtd) return *(uint8_t *)(host->buffer + host->offset - 1); } -static u16 hisi_nfc_read_word(struct mtd_info *mtd) -{ - struct nand_chip *chip = mtd_to_nand(mtd); - struct hinfc_host *host = nand_get_controller_data(chip); - - host->offset += 2; - return *(u16 *)(host->buffer + host->offset - 2); -} - static void -hisi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) +hisi_nfc_write_buf(struct nand_chip *chip, const uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); memcpy(host->buffer + host->offset, buf, len); host->offset += len; } -static void hisi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void hisi_nfc_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); memcpy(buf, host->buffer + host->offset, len); @@ -442,10 +429,10 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr) } } -static void hisi_nfc_cmdfunc(struct mtd_info *mtd, unsigned command, int column, - int page_addr) +static void hisi_nfc_cmdfunc(struct nand_chip *chip, unsigned command, + int column, int page_addr) { - struct nand_chip *chip = mtd_to_nand(mtd); + struct mtd_info *mtd = nand_to_mtd(chip); struct hinfc_host *host = nand_get_controller_data(chip); int is_cache_invalid = 1; unsigned int flag = 0; @@ -537,15 +524,16 @@ static irqreturn_t hinfc_irq_handle(int irq, void *devid) return IRQ_HANDLED; } -static int hisi_nand_read_page_hwecc(struct mtd_info *mtd, - struct nand_chip *chip, uint8_t *buf, int oob_required, int page) +static int hisi_nand_read_page_hwecc(struct nand_chip *chip, uint8_t *buf, + int oob_required, int page) { + struct mtd_info *mtd = nand_to_mtd(chip); struct hinfc_host *host = nand_get_controller_data(chip); int max_bitflips = 0, stat = 0, stat_max = 0, status_ecc; int stat_1, stat_2; nand_read_page_op(chip, page, 0, buf, mtd->writesize); - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->legacy.read_buf(chip, chip->oob_poi, mtd->oobsize); /* errors which can not be corrected by ECC */ if (host->irq_status & HINFC504_INTS_UE) { @@ -569,9 +557,9 @@ static int hisi_nand_read_page_hwecc(struct mtd_info *mtd, return max_bitflips; } -static int hisi_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip, - int page) +static int hisi_nand_read_oob(struct nand_chip *chip, int page) { + struct mtd_info *mtd = nand_to_mtd(chip); struct hinfc_host *host = nand_get_controller_data(chip); nand_read_oob_op(chip, page, 0, chip->oob_poi, mtd->oobsize); @@ -585,13 +573,15 @@ static int hisi_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip, return 0; } -static int hisi_nand_write_page_hwecc(struct mtd_info *mtd, - struct nand_chip *chip, const uint8_t *buf, int oob_required, - int page) +static int hisi_nand_write_page_hwecc(struct nand_chip *chip, + const uint8_t *buf, int oob_required, + int page) { + struct mtd_info *mtd = nand_to_mtd(chip); + nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize); if (oob_required) - chip->write_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->legacy.write_buf(chip, chip->oob_poi, mtd->oobsize); return nand_prog_page_end_op(chip); } @@ -792,15 +782,14 @@ static int hisi_nfc_probe(struct platform_device *pdev) nand_set_controller_data(chip, host); nand_set_flash_node(chip, np); - chip->cmdfunc = hisi_nfc_cmdfunc; + chip->legacy.cmdfunc = hisi_nfc_cmdfunc; chip->select_chip = hisi_nfc_select_chip; - chip->read_byte = hisi_nfc_read_byte; - chip->read_word = hisi_nfc_read_word; - chip->write_buf = hisi_nfc_write_buf; - chip->read_buf = hisi_nfc_read_buf; - chip->chip_delay = HINFC504_CHIP_DELAY; - chip->set_features = nand_get_set_features_notsupp; - chip->get_features = nand_get_set_features_notsupp; + chip->legacy.read_byte = hisi_nfc_read_byte; + chip->legacy.write_buf = hisi_nfc_write_buf; + chip->legacy.read_buf = hisi_nfc_read_buf; + chip->legacy.chip_delay = HINFC504_CHIP_DELAY; + chip->legacy.set_features = nand_get_set_features_notsupp; + chip->legacy.get_features = nand_get_set_features_notsupp; hisi_nfc_host_init(host); @@ -811,7 +800,7 @@ static int hisi_nfc_probe(struct platform_device *pdev) } chip->dummy_controller.ops = &hisi_nfc_controller_ops; - ret = nand_scan(mtd, max_chips); + ret = nand_scan(chip, max_chips); if (ret) return ret; @@ -828,9 +817,8 @@ static int hisi_nfc_probe(struct platform_device *pdev) static int hisi_nfc_remove(struct platform_device *pdev) { struct hinfc_host *host = platform_get_drvdata(pdev); - struct mtd_info *mtd = nand_to_mtd(&host->chip); - nand_release(mtd); + nand_release(&host->chip); return 0; } |