mtd: tmio_nand.c: use dev_get_platdata() and resource_size()

Remove unnecessary casts and use dev_get_platdata() to retrieve the
struct mfd_cell data from the platform.

Use resource_size() for the ioremap()'s.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index 92c7334..65fa469 100644 (file)
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -318,7 +318,7 @@ static int tmio_nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 
 static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio)
 {
-       struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+       struct mfd_cell *cell = dev_get_platdata(&dev->dev);
        int ret;
 
        if (cell->enable) {
@@ -362,7 +362,7 @@ static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio)
 
 static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio)
 {
-       struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+       struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
        tmio_iowrite8(FCR_MODE_POWER_OFF, tmio->fcr + FCR_MODE);
        if (cell->disable)
@@ -371,7 +371,7 @@ static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio)
 
 static int tmio_probe(struct platform_device *dev)
 {
-       struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+       struct mfd_cell *cell = dev_get_platdata(&dev->dev);
        struct tmio_nand_data *data = cell->driver_data;
        struct resource *fcr = platform_get_resource(dev,
                        IORESOURCE_MEM, 0);
@@ -404,14 +404,14 @@ static int tmio_probe(struct platform_device *dev)
        mtd->priv = nand_chip;
        mtd->name = "tmio-nand";
 
-       tmio->ccr = ioremap(ccr->start, ccr->end - ccr->start + 1);
+       tmio->ccr = ioremap(ccr->start, resource_size(ccr));
        if (!tmio->ccr) {
                retval = -EIO;
                goto err_iomap_ccr;
        }
 
        tmio->fcr_base = fcr->start & 0xfffff;
-       tmio->fcr = ioremap(fcr->start, fcr->end - fcr->start + 1);
+       tmio->fcr = ioremap(fcr->start, resource_size(fcr));
        if (!tmio->fcr) {
                retval = -EIO;
                goto err_iomap_fcr;
@@ -515,7 +515,7 @@ static int tmio_remove(struct platform_device *dev)
 #ifdef CONFIG_PM
 static int tmio_suspend(struct platform_device *dev, pm_message_t state)
 {
-       struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+       struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
        if (cell->suspend)
                cell->suspend(dev);
@@ -526,7 +526,7 @@ static int tmio_suspend(struct platform_device *dev, pm_message_t state)
 
 static int tmio_resume(struct platform_device *dev)
 {
-       struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
+       struct mfd_cell *cell = dev_get_platdata(&dev->dev);
 
        /* FIXME - is this required or merely another attack of the broken
         * SHARP platform? Looks suspicious.