#include <linux/serial_core.h>
#include <linux/serial.h>
#include <linux/delay.h>
+#include <linux/clk.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/hardware.h>
-#include <asm/hardware/clock.h>
#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-gpio.h>
/* we can support 3 uarts, but not always use them */
+#ifdef CONFIG_CPU_S3C2400
+#define NR_PORTS (2)
+#else
#define NR_PORTS (3)
+#endif
/* port irq numbers */
if (s3c24xx_serial_rx_fifocnt(ourport, ufstat) == 0)
break;
- if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
- if (tty->low_latency)
- tty_flip_buffer_push(tty);
-
- /*
- * If this failed then we will throw away the
- * bytes but must do so to clear interrupts
- */
- }
-
uerstat = rd_regl(port, S3C2410_UERSTAT);
ch = rd_regb(port, S3C2410_URXH);
if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) {
clk_disable(ourport->baudclk);
- clk_unuse(ourport->baudclk);
ourport->baudclk = NULL;
}
- clk_use(clk);
clk_enable(clk);
ourport->clksrc = clksrc;
dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
port->mapbase = res->start;
- port->membase = S3C24XX_VA_UART + (res->start - S3C2410_PA_UART);
+ port->membase = S3C24XX_VA_UART + (res->start - S3C24XX_PA_UART);
port->irq = platform_get_irq(platdev, 0);
ourport->clk = clk_get(&platdev->dev, "uart");
- if (ourport->clk != NULL && !IS_ERR(ourport->clk))
- clk_use(ourport->clk);
-
dbg("port: map=%08x, mem=%08x, irq=%d, clock=%ld\n",
port->mapbase, port->membase, port->irq, port->uartclk);
static int probe_index = 0;
-static int s3c24xx_serial_probe(struct device *_dev,
+static int s3c24xx_serial_probe(struct platform_device *dev,
struct s3c24xx_uart_info *info)
{
struct s3c24xx_uart_port *ourport;
- struct platform_device *dev = to_platform_device(_dev);
int ret;
- dbg("s3c24xx_serial_probe(%p, %p) %d\n", _dev, info, probe_index);
+ dbg("s3c24xx_serial_probe(%p, %p) %d\n", dev, info, probe_index);
ourport = &s3c24xx_serial_ports[probe_index];
probe_index++;
dbg("%s: adding port\n", __FUNCTION__);
uart_add_one_port(&s3c24xx_uart_drv, &ourport->port);
- dev_set_drvdata(_dev, &ourport->port);
+ platform_set_drvdata(dev, &ourport->port);
return 0;
return ret;
}
-static int s3c24xx_serial_remove(struct device *_dev)
+static int s3c24xx_serial_remove(struct platform_device *dev)
{
- struct uart_port *port = s3c24xx_dev_to_port(_dev);
+ struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
if (port)
uart_remove_one_port(&s3c24xx_uart_drv, port);
#ifdef CONFIG_PM
-static int s3c24xx_serial_suspend(struct device *dev, pm_message_t state)
+static int s3c24xx_serial_suspend(struct platform_device *dev, pm_message_t state)
{
- struct uart_port *port = s3c24xx_dev_to_port(dev);
+ struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
if (port)
uart_suspend_port(&s3c24xx_uart_drv, port);
return 0;
}
-static int s3c24xx_serial_resume(struct device *dev)
+static int s3c24xx_serial_resume(struct platform_device *dev)
{
- struct uart_port *port = s3c24xx_dev_to_port(dev);
+ struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
struct s3c24xx_uart_port *ourport = to_ourport(port);
if (port) {
#define s3c24xx_serial_resume NULL
#endif
-static int s3c24xx_serial_init(struct device_driver *drv,
+static int s3c24xx_serial_init(struct platform_driver *drv,
struct s3c24xx_uart_info *info)
{
dbg("s3c24xx_serial_init(%p,%p)\n", drv, info);
- return driver_register(drv);
+ return platform_driver_register(drv);
}
.reset_port = s3c2400_serial_resetport,
};
-static int s3c2400_serial_probe(struct device *dev)
+static int s3c2400_serial_probe(struct platform_device *dev)
{
return s3c24xx_serial_probe(dev, &s3c2400_uart_inf);
}
-static struct device_driver s3c2400_serial_drv = {
- .name = "s3c2400-uart",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver s3c2400_serial_drv = {
.probe = s3c2400_serial_probe,
.remove = s3c24xx_serial_remove,
.suspend = s3c24xx_serial_suspend,
.resume = s3c24xx_serial_resume,
+ .driver = {
+ .name = "s3c2400-uart",
+ .owner = THIS_MODULE,
+ },
};
static inline int s3c2400_serial_init(void)
static inline void s3c2400_serial_exit(void)
{
- driver_unregister(&s3c2400_serial_drv);
+ platform_driver_unregister(&s3c2400_serial_drv);
}
#define s3c2400_uart_inf_at &s3c2400_uart_inf
/* device management */
-static int s3c2410_serial_probe(struct device *dev)
+static int s3c2410_serial_probe(struct platform_device *dev)
{
return s3c24xx_serial_probe(dev, &s3c2410_uart_inf);
}
-static struct device_driver s3c2410_serial_drv = {
- .name = "s3c2410-uart",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver s3c2410_serial_drv = {
.probe = s3c2410_serial_probe,
.remove = s3c24xx_serial_remove,
.suspend = s3c24xx_serial_suspend,
.resume = s3c24xx_serial_resume,
+ .driver = {
+ .name = "s3c2410-uart",
+ .owner = THIS_MODULE,
+ },
};
static inline int s3c2410_serial_init(void)
static inline void s3c2410_serial_exit(void)
{
- driver_unregister(&s3c2410_serial_drv);
+ platform_driver_unregister(&s3c2410_serial_drv);
}
#define s3c2410_uart_inf_at &s3c2410_uart_inf
/* device management */
-static int s3c2440_serial_probe(struct device *dev)
+static int s3c2440_serial_probe(struct platform_device *dev)
{
dbg("s3c2440_serial_probe: dev=%p\n", dev);
return s3c24xx_serial_probe(dev, &s3c2440_uart_inf);
}
-static struct device_driver s3c2440_serial_drv = {
- .name = "s3c2440-uart",
- .owner = THIS_MODULE,
- .bus = &platform_bus_type,
+static struct platform_driver s3c2440_serial_drv = {
.probe = s3c2440_serial_probe,
.remove = s3c24xx_serial_remove,
.suspend = s3c24xx_serial_suspend,
.resume = s3c24xx_serial_resume,
+ .driver = {
+ .name = "s3c2440-uart",
+ .owner = THIS_MODULE,
+ },
};
static inline void s3c2440_serial_exit(void)
{
- driver_unregister(&s3c2440_serial_drv);
+ platform_driver_unregister(&s3c2440_serial_drv);
}
#define s3c2440_uart_inf_at &s3c2440_uart_inf
git.openpandora.org / pandora-kernel.git / blobdiff