diff options
Diffstat (limited to 'drivers/mtd/nand/pasemi_nand.c')
| -rw-r--r-- | drivers/mtd/nand/pasemi_nand.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index 83cf021b9651..3ab53ca53cca 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -45,7 +45,7 @@ static const char driver_name[] = "pasemi-nand"; static void pasemi_read_buf(struct mtd_info *mtd, u_char *buf, int len) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); while (len > 0x800) { memcpy_fromio(buf, chip->IO_ADDR_R, 0x800); @@ -57,7 +57,7 @@ static void pasemi_read_buf(struct mtd_info *mtd, u_char *buf, int len) static void pasemi_write_buf(struct mtd_info *mtd, const u_char *buf, int len) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); while (len > 0x800) { memcpy_toio(chip->IO_ADDR_R, buf, 0x800); @@ -70,7 +70,7 @@ static void pasemi_write_buf(struct mtd_info *mtd, const u_char *buf, int len) static void pasemi_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); if (cmd == NAND_CMD_NONE) return; @@ -110,20 +110,17 @@ static int pasemi_nand_probe(struct platform_device *ofdev) pr_debug("pasemi_nand at %pR\n", &res); /* Allocate memory for MTD device structure and private data */ - pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), GFP_KERNEL); - if (!pasemi_nand_mtd) { + chip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!chip) { printk(KERN_WARNING "Unable to allocate PASEMI NAND MTD device structure\n"); err = -ENOMEM; goto out; } - /* Get pointer to private data */ - chip = (struct nand_chip *)&pasemi_nand_mtd[1]; + pasemi_nand_mtd = nand_to_mtd(chip); /* Link the private data with the MTD structure */ - pasemi_nand_mtd->priv = chip; pasemi_nand_mtd->dev.parent = &ofdev->dev; chip->IO_ADDR_R = of_iomap(np, 0); @@ -180,7 +177,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev) out_ior: iounmap(chip->IO_ADDR_R); out_mtd: - kfree(pasemi_nand_mtd); + kfree(chip); out: return err; } @@ -192,7 +189,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev) if (!pasemi_nand_mtd) return 0; - chip = pasemi_nand_mtd->priv; + chip = mtd_to_nand(pasemi_nand_mtd); /* Release resources, unregister device */ nand_release(pasemi_nand_mtd); @@ -202,7 +199,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev) iounmap(chip->IO_ADDR_R); /* Free the MTD device structure */ - kfree(pasemi_nand_mtd); + kfree(chip); pasemi_nand_mtd = NULL; |