diff options
Diffstat (limited to 'drivers/mtd/nand/ams-delta.c')
| -rw-r--r-- | drivers/mtd/nand/ams-delta.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index 842f8fe91b56..68b58c85789c 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -64,8 +64,8 @@ static struct mtd_partition partition_info[] = { static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte) { - struct nand_chip *this = mtd->priv; - void __iomem *io_base = this->priv; + struct nand_chip *this = mtd_to_nand(mtd); + void __iomem *io_base = (void __iomem *)nand_get_controller_data(this); writew(0, io_base + OMAP_MPUIO_IO_CNTL); writew(byte, this->IO_ADDR_W); @@ -77,8 +77,8 @@ static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte) static u_char ams_delta_read_byte(struct mtd_info *mtd) { u_char res; - struct nand_chip *this = mtd->priv; - void __iomem *io_base = this->priv; + struct nand_chip *this = mtd_to_nand(mtd); + void __iomem *io_base = (void __iomem *)nand_get_controller_data(this); gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 0); ndelay(40); @@ -183,22 +183,16 @@ static int ams_delta_init(struct platform_device *pdev) return -ENXIO; /* Allocate memory for MTD device structure and private data */ - ams_delta_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), GFP_KERNEL); - if (!ams_delta_mtd) { + this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!this) { printk (KERN_WARNING "Unable to allocate E3 NAND MTD device structure.\n"); err = -ENOMEM; goto out; } + ams_delta_mtd = nand_to_mtd(this); ams_delta_mtd->owner = THIS_MODULE; - /* Get pointer to private data */ - this = (struct nand_chip *) (&ams_delta_mtd[1]); - - /* Link the private data with the MTD structure */ - ams_delta_mtd->priv = this; - /* * Don't try to request the memory region from here, * it should have been already requested from the @@ -212,7 +206,7 @@ static int ams_delta_init(struct platform_device *pdev) goto out_free; } - this->priv = io_base; + nand_set_controller_data(this, (void *)io_base); /* Set address of NAND IO lines */ this->IO_ADDR_R = io_base + OMAP_MPUIO_INPUT_LATCH; @@ -256,7 +250,7 @@ out_gpio: gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB); iounmap(io_base); out_free: - kfree(ams_delta_mtd); + kfree(this); out: return err; } @@ -276,7 +270,7 @@ static int ams_delta_cleanup(struct platform_device *pdev) iounmap(io_base); /* Free the MTD device structure */ - kfree(ams_delta_mtd); + kfree(mtd_to_nand(ams_delta_mtd)); return 0; } |