From: Hubert Feurstein <h.feurstein@gmail.com>
Date: Thu, 18 Jul 2013 16:52:49 +0000 (+0200)
Subject: serial/imx: fix custom-baudrate handling
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=09bd00f6e9a434727e4bfe93b0498c5d893c1906;p=deliverable%2Flinux.git

serial/imx: fix custom-baudrate handling

It was not possible to set custom-baudrates like 62500.

Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 5bce53655c00..79d1943c2e79 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1028,6 +1028,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
 		 */
 		div = 1;
 	} else {
+		/* custom-baudrate handling */
+		div = sport->port.uartclk / (baud * 16);
+		if (baud == 38400 && quot != div)
+			baud = sport->port.uartclk / (quot * 16);
+
 		div = sport->port.uartclk / (baud * 16);
 		if (div > 7)
 			div = 7;