serial: samsung: remove the use of statically remapped controller add…

…ress

The address S3C_VA_UART is a statically ioremapped address. The driver
should not be using this. Instead, the driver should setup a mapping
during probe.

Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/samsung.c

@@ -47,7 +47,6 @@
 #include <asm/irq.h>
 
 #include <mach/hardware.h>
-#include <mach/map.h>
 
 #include <plat/regs-serial.h>
 #include <plat/clock.h>
@@ -1144,8 +1143,13 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 
 	dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
 
+	port->membase = devm_ioremap(port->dev, res->start, resource_size(res));
+	if (!port->membase) {
+		dev_err(port->dev, "failed to remap controller address\n");
+		return -EBUSY;
+	}
+
 	port->mapbase = res->start;
-	port->membase = S3C_VA_UART + (res->start & 0xfffff);
 	ret = platform_get_irq(platdev, 0);
 	if (ret < 0)
 		port->irq = 0;