diff options
Diffstat (limited to 'drivers/mtd/nand/cafe_nand.c')
| -rw-r--r-- | drivers/mtd/nand/cafe_nand.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index 9de78d2a2eb1..aa1a616b9fb6 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -101,7 +101,8 @@ static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL }; static int cafe_device_ready(struct mtd_info *mtd) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); int result = !!(cafe_readl(cafe, NAND_STATUS) & 0x40000000); uint32_t irqs = cafe_readl(cafe, NAND_IRQ); @@ -117,7 +118,8 @@ static int cafe_device_ready(struct mtd_info *mtd) static void cafe_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); if (usedma) memcpy(cafe->dmabuf + cafe->datalen, buf, len); @@ -132,7 +134,8 @@ static void cafe_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) static void cafe_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); if (usedma) memcpy(buf, cafe->dmabuf + cafe->datalen, len); @@ -146,7 +149,8 @@ static void cafe_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) static uint8_t cafe_read_byte(struct mtd_info *mtd) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); uint8_t d; cafe_read_buf(mtd, &d, 1); @@ -158,7 +162,8 @@ static uint8_t cafe_read_byte(struct mtd_info *mtd) static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, int column, int page_addr) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); int adrbytes = 0; uint32_t ctl1; uint32_t doneint = 0x80000000; @@ -313,7 +318,8 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, static void cafe_select_chip(struct mtd_info *mtd, int chipnr) { - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); cafe_dev_dbg(&cafe->pdev->dev, "select_chip %d\n", chipnr); @@ -328,7 +334,8 @@ static void cafe_select_chip(struct mtd_info *mtd, int chipnr) static irqreturn_t cafe_nand_interrupt(int irq, void *id) { struct mtd_info *mtd = id; - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); uint32_t irqs = cafe_readl(cafe, NAND_IRQ); cafe_writel(cafe, irqs & ~0x90000000, NAND_IRQ); if (!irqs) @@ -377,7 +384,7 @@ static int cafe_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip, static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { - struct cafe_priv *cafe = mtd->priv; + struct cafe_priv *cafe = nand_get_controller_data(chip); unsigned int max_bitflips = 0; cafe_dev_dbg(&cafe->pdev->dev, "ECC result %08x SYN1,2 %08x\n", @@ -519,7 +526,7 @@ static int cafe_nand_write_page_lowlevel(struct mtd_info *mtd, const uint8_t *buf, int oob_required, int page) { - struct cafe_priv *cafe = mtd->priv; + struct cafe_priv *cafe = nand_get_controller_data(chip); chip->write_buf(mtd, buf, mtd->writesize); chip->write_buf(mtd, chip->oob_poi, mtd->oobsize); @@ -598,13 +605,13 @@ static int cafe_nand_probe(struct pci_dev *pdev, pci_set_master(pdev); - mtd = kzalloc(sizeof(*mtd) + sizeof(struct cafe_priv), GFP_KERNEL); - if (!mtd) + cafe = kzalloc(sizeof(*cafe), GFP_KERNEL); + if (!cafe) return -ENOMEM; - cafe = (void *)(&mtd[1]); + mtd = nand_to_mtd(&cafe->nand); mtd->dev.parent = &pdev->dev; - mtd->priv = cafe; + nand_set_controller_data(&cafe->nand, cafe); cafe->pdev = pdev; cafe->mmio = pci_iomap(pdev, 0, 0); @@ -784,7 +791,7 @@ static int cafe_nand_probe(struct pci_dev *pdev, out_ior: pci_iounmap(pdev, cafe->mmio); out_free_mtd: - kfree(mtd); + kfree(cafe); out: return err; } @@ -792,7 +799,8 @@ static int cafe_nand_probe(struct pci_dev *pdev, static void cafe_nand_remove(struct pci_dev *pdev) { struct mtd_info *mtd = pci_get_drvdata(pdev); - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); /* Disable NAND IRQ in global IRQ mask register */ cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK); @@ -804,7 +812,7 @@ static void cafe_nand_remove(struct pci_dev *pdev) 2112 + sizeof(struct nand_buffers) + mtd->writesize + mtd->oobsize, cafe->dmabuf, cafe->dmaaddr); - kfree(mtd); + kfree(cafe); } static const struct pci_device_id cafe_nand_tbl[] = { @@ -819,7 +827,8 @@ static int cafe_nand_resume(struct pci_dev *pdev) { uint32_t ctrl; struct mtd_info *mtd = pci_get_drvdata(pdev); - struct cafe_priv *cafe = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct cafe_priv *cafe = nand_get_controller_data(chip); /* Start off by resetting the NAND controller completely */ cafe_writel(cafe, 1, NAND_RESET); |