[PATCH 02/11] serial s3c: get rid of map_base
Sascha Hauer
s.hauer at pengutronix.de
Thu Jul 28 09:41:55 EDT 2011
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
drivers/serial/serial_s3c24x0.c | 31 +++++++++++++++++++------------
1 files changed, 19 insertions(+), 12 deletions(-)
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
index 0a17967..21bca12 100644
--- a/drivers/serial/serial_s3c24x0.c
+++ b/drivers/serial/serial_s3c24x0.c
@@ -44,11 +44,12 @@
static int s3c24x0_serial_setbaudrate(struct console_device *cdev, int baudrate)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
unsigned val;
/* value is calculated so : PCLK / (16 * baudrate) -1 */
val = s3c24xx_get_pclk() / (16 * baudrate) - 1;
- writew(val, dev->map_base + UBRDIV);
+ writew(val, base + UBRDIV);
return 0;
}
@@ -56,21 +57,22 @@ static int s3c24x0_serial_setbaudrate(struct console_device *cdev, int baudrate)
static int s3c24x0_serial_init_port(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
/* FIFO enable, Tx/Rx FIFO clear */
- writeb(0x07, dev->map_base + UFCON);
- writeb(0x00, dev->map_base + UMCON);
+ writeb(0x07, base + UFCON);
+ writeb(0x00, base + UMCON);
/* Normal,No parity,1 stop,8 bit */
- writeb(0x03, dev->map_base + ULCON);
+ writeb(0x03, base + ULCON);
/*
* tx=level,rx=edge,disable timeout int.,enable rx error int.,
* normal,interrupt or polling
*/
- writew(0x0245, dev->map_base + UCON);
+ writew(0x0245, base + UCON);
#ifdef CONFIG_DRIVER_SERIAL_S3C24X0_AUTOSYNC
- writeb(0x01, dev->map_base + UMCON); /* RTS up */
+ writeb(0x01, base + UMCON); /* RTS up */
#endif
return 0;
@@ -79,20 +81,22 @@ static int s3c24x0_serial_init_port(struct console_device *cdev)
static void s3c24x0_serial_putc(struct console_device *cdev, char c)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
/* Wait for Tx FIFO not full */
- while (!(readb(dev->map_base + UTRSTAT) & 0x2))
+ while (!(readb(base + UTRSTAT) & 0x2))
;
- writeb(c, dev->map_base + UTXH);
+ writeb(c, base + UTXH);
}
static int s3c24x0_serial_tstc(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
/* If receive fifo is empty, return false */
- if (readb(dev->map_base + UTRSTAT) & 0x1)
+ if (readb(base + UTRSTAT) & 0x1)
return 1;
return 0;
@@ -101,19 +105,21 @@ static int s3c24x0_serial_tstc(struct console_device *cdev)
static int s3c24x0_serial_getc(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
/* wait for a character */
- while (!(readb(dev->map_base + UTRSTAT) & 0x1))
+ while (!(readb(base + UTRSTAT) & 0x1))
;
- return readb(dev->map_base + URXH);
+ return readb(base + URXH);
}
static void s3c24x0_serial_flush(struct console_device *cdev)
{
struct device_d *dev = cdev->dev;
+ void __iomem *base = dev->priv;
- while (!(readb(dev->map_base + UTRSTAT) & 0x4))
+ while (!(readb(base + UTRSTAT) & 0x4))
;
}
@@ -123,6 +129,7 @@ static int s3c24x0_serial_probe(struct device_d *dev)
cdev = xmalloc(sizeof(struct console_device));
dev->type_data = cdev;
+ dev->priv = dev_request_mem_region(dev, 0);
cdev->dev = dev;
cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
cdev->tstc = s3c24x0_serial_tstc;
--
1.7.5.4
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