diff options
Diffstat (limited to 'drivers/mtd/nand/fsl_elbc_nand.c')
| -rw-r--r-- | drivers/mtd/nand/fsl_elbc_nand.c | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index dcb1f7f4873f..059d5f7ec124 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -48,7 +48,6 @@ /* mtd information per set */ struct fsl_elbc_mtd { - struct mtd_info mtd; struct nand_chip chip; struct fsl_lbc_ctrl *ctrl; @@ -144,8 +143,8 @@ static struct nand_bbt_descr bbt_mirror_descr = { */ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand; @@ -195,8 +194,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob) */ static int fsl_elbc_run_command(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; @@ -268,7 +267,7 @@ static int fsl_elbc_run_command(struct mtd_info *mtd) static void fsl_elbc_do_read(struct nand_chip *chip, int oob) { - struct fsl_elbc_mtd *priv = chip->priv; + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; @@ -300,8 +299,8 @@ static void fsl_elbc_do_read(struct nand_chip *chip, int oob) static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command, int column, int page_addr) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; @@ -525,8 +524,8 @@ static void fsl_elbc_select_chip(struct mtd_info *mtd, int chip) */ static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; unsigned int bufsize = mtd->writesize + mtd->oobsize; @@ -563,8 +562,8 @@ static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len) */ static u8 fsl_elbc_read_byte(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; /* If there are still bytes in the FCM, then use the next byte. */ @@ -580,8 +579,8 @@ static u8 fsl_elbc_read_byte(struct mtd_info *mtd) */ static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; int avail; @@ -605,7 +604,7 @@ static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len) */ static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip) { - struct fsl_elbc_mtd *priv = chip->priv; + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; if (elbc_fcm_ctrl->status != LTESR_CC) @@ -619,8 +618,8 @@ static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip) static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; - struct fsl_elbc_mtd *priv = chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; unsigned int al; @@ -697,7 +696,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) static int fsl_elbc_read_page(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { - struct fsl_elbc_mtd *priv = chip->priv; + struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand; @@ -742,12 +741,13 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) struct fsl_lbc_regs __iomem *lbc = ctrl->regs; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = ctrl->nand; struct nand_chip *chip = &priv->chip; + struct mtd_info *mtd = nand_to_mtd(chip); dev_dbg(priv->dev, "eLBC Set Information for bank %d\n", priv->bank); /* Fill in fsl_elbc_mtd structure */ - priv->mtd.priv = chip; - priv->mtd.dev.parent = priv->dev; + mtd->dev.parent = priv->dev; + nand_set_flash_node(chip, priv->dev->of_node); /* set timeout to maximum */ priv->fmr = 15 << FMR_CWTO_SHIFT; @@ -770,7 +770,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) chip->bbt_options = NAND_BBT_USE_FLASH; chip->controller = &elbc_fcm_ctrl->controller; - chip->priv = priv; + nand_set_controller_data(chip, priv); chip->ecc.read_page = fsl_elbc_read_page; chip->ecc.write_page = fsl_elbc_write_page; @@ -797,9 +797,11 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv) { struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; - nand_release(&priv->mtd); + struct mtd_info *mtd = nand_to_mtd(&priv->chip); - kfree(priv->mtd.name); + nand_release(mtd); + + kfree(mtd->name); if (priv->vbase) iounmap(priv->vbase); @@ -823,9 +825,8 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev) int bank; struct device *dev; struct device_node *node = pdev->dev.of_node; - struct mtd_part_parser_data ppdata; + struct mtd_info *mtd; - ppdata.of_node = pdev->dev.of_node; if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs) return -ENODEV; lbc = fsl_lbc_ctrl_dev->regs; @@ -887,8 +888,9 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev) goto err; } - priv->mtd.name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); - if (!priv->mtd.name) { + mtd = nand_to_mtd(&priv->chip); + mtd->name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); + if (!nand_to_mtd(&priv->chip)->name) { ret = -ENOMEM; goto err; } @@ -897,21 +899,21 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev) if (ret) goto err; - ret = nand_scan_ident(&priv->mtd, 1, NULL); + ret = nand_scan_ident(mtd, 1, NULL); if (ret) goto err; - ret = fsl_elbc_chip_init_tail(&priv->mtd); + ret = fsl_elbc_chip_init_tail(mtd); if (ret) goto err; - ret = nand_scan_tail(&priv->mtd); + ret = nand_scan_tail(mtd); if (ret) goto err; /* First look for RedBoot table or partitions on the command * line, these take precedence over device tree information */ - mtd_device_parse_register(&priv->mtd, part_probe_types, &ppdata, + mtd_device_parse_register(mtd, part_probe_types, NULL, NULL, 0); printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n", |