[PATCH] serial: samsung: Add support 4M baudrate for samsung serial

At getting the baudrate, the max baudrate parameter value
is changed to 4M.
So samsung serial can support upto 4M baudrate.

Signed-off-by: Kyoungil Kim<redacted>
---
  drivers/tty/serial/samsung.c |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index a6abe0c..513096d 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c

@@ -701,7 +701,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
  	 * Ask the core to calculate the divisor for us.
  	 */

-	baud = uart_get_baud_rate(port, termios, old, 0, 115200*8);
+	baud = uart_get_baud_rate(port, termios, old, 0, 4000000);
  	quot = s3c24xx_serial_getclk(ourport, baud,&clk,&clk_sel);
  	if (baud == 38400&&  (port->flags&  UPF_SPD_MASK) == UPF_SPD_CUST)
  		quot = port->custom_divisor;