kernel_3.2_tty_default_baudrate.patch

diff -uprN linux-3.2.bach.orig/arch/arm/mach-omap2/board-pcm051.c linux-3.2.bach/arch/arm/mach-omap2/board-pcm051.c
--- linux-3.2.bach.orig/arch/arm/mach-omap2/board-pcm051.c	2015-10-05 08:23:24.019166904 +0200
+++ linux-3.2.bach/arch/arm/mach-omap2/board-pcm051.c	2015-10-05 14:18:41.834012970 +0200
@@ -1317,9 +1317,32 @@ static struct omap_board_data uart1_boar
 		.pads_cnt = 0,
 };
 
+static struct omap_uart_port_info omap_serial_uart3_info[] __initdata = {
+	{
+		.dma_enabled	= false,
+		.init_termios_enabled = true,
+		.init_termios = {
+			.c_iflag = IGNBRK | IGNPAR,
+			.c_cflag = B115200 | CS8 | CREAD | CLOCAL,
+			.c_lflag = ICANON,
+			.c_cc = INIT_C_CC,
+			.c_ispeed = 115200,
+			.c_ospeed = 115200
+		},
+		.dma_rx_buf_size = DEFAULT_RXDMA_BUFSIZE,
+		.dma_rx_poll_rate = DEFAULT_RXDMA_POLLRATE,
+		.dma_rx_timeout = DEFAULT_RXDMA_TIMEOUT,
+		.autosuspend_timeout = DEFAULT_AUTOSUSPEND_DELAY,
+		.rs485 = {
+				.flags = 0,
+		},
+	},
+};
+
 static struct omap_uart_port_info omap_serial_uart1_info[] __initdata = {
 	{
 		.dma_enabled	= false,
+		.init_termios_enabled = false,
 		.dma_rx_buf_size = DEFAULT_RXDMA_BUFSIZE,
 		.dma_rx_poll_rate = DEFAULT_RXDMA_POLLRATE,
 		.dma_rx_timeout = DEFAULT_RXDMA_TIMEOUT,
@@ -1334,6 +1357,7 @@ static struct omap_uart_port_info omap_s
 };
 
 #define UART1_RS485	1
+#define UART3_SMU	3
 
 /*
  * Inicialization for UART
@@ -1350,6 +1374,8 @@ static void openmatics_serial_init(void)
 		bdata.id = i;
 		if (i == UART1_RS485)
 			omap_serial_init_port(&bdata, omap_serial_uart1_info);
+		else if (i == UART3_SMU)
+			omap_serial_init_port(&bdata, omap_serial_uart3_info);
 		else
 			omap_serial_init_port(&bdata, NULL);
 	}
diff -uprN linux-3.2.bach.orig/arch/arm/mach-omap2/serial.c linux-3.2.bach/arch/arm/mach-omap2/serial.c
--- linux-3.2.bach.orig/arch/arm/mach-omap2/serial.c	2015-10-05 08:23:24.019166904 +0200
+++ linux-3.2.bach/arch/arm/mach-omap2/serial.c	2015-10-02 14:19:05.962915974 +0200
@@ -69,6 +69,7 @@ static u8 uart_debug;
 static struct omap_uart_port_info omap_serial_default_info[] __initdata = {
 	{
 		.dma_enabled	= false,
+		.init_termios_enabled = false,
 		.dma_rx_buf_size = DEFAULT_RXDMA_BUFSIZE,
 		.dma_rx_poll_rate = DEFAULT_RXDMA_POLLRATE,
 		.dma_rx_timeout = DEFAULT_RXDMA_TIMEOUT,
@@ -356,6 +357,8 @@ void __init omap_serial_init_port(struct
 	omap_up.autosuspend_timeout = info->autosuspend_timeout;
 	omap_up.rs485_rts_gpio = info->rs485_rts_gpio;
 	omap_up.rs485 = info->rs485;
+	omap_up.init_termios_enabled = info->init_termios_enabled;
+	omap_up.init_termios = info->init_termios;
 
 	/* Enable the MDR1 Errata i202 for OMAP2430/3xxx/44xx */
 	if (!cpu_is_omap2420() && !cpu_is_ti816x())
diff -uprN linux-3.2.bach.orig/arch/arm/plat-omap/include/plat/omap-serial.h linux-3.2.bach/arch/arm/plat-omap/include/plat/omap-serial.h
--- linux-3.2.bach.orig/arch/arm/plat-omap/include/plat/omap-serial.h	2015-10-05 08:23:24.019166904 +0200
+++ linux-3.2.bach/arch/arm/plat-omap/include/plat/omap-serial.h	2015-10-05 13:40:09.347727041 +0200
@@ -73,6 +73,8 @@ struct omap_uart_port_info {
 	unsigned int		dma_rx_timeout;
 	unsigned int		autosuspend_timeout;
 	unsigned int		dma_rx_poll_rate;
+	struct ktermios		init_termios;
+	bool	init_termios_enabled;			/* init_termios feature flags */
 
 	int (*get_context_loss_count)(struct device *);
 	void (*set_forceidle)(struct platform_device *);
diff -uprN linux-3.2.bach.orig/drivers/tty/serial/omap-serial.c linux-3.2.bach/drivers/tty/serial/omap-serial.c
--- linux-3.2.bach.orig/drivers/tty/serial/omap-serial.c	2015-10-05 08:23:24.019166904 +0200
+++ linux-3.2.bach/drivers/tty/serial/omap-serial.c	2015-10-05 13:40:42.815728257 +0200
@@ -1389,6 +1389,7 @@ static struct omap_uart_port_info *of_ge
 static int serial_omap_probe(struct platform_device *pdev)
 {
 	struct uart_omap_port	*up;
+	struct ktermios *tp;
 	struct resource		*mem, *irq, *dma_tx, *dma_rx;
 	struct omap_uart_port_info *omap_up_info = pdev->dev.platform_data;
 	int ret = -ENOSPC;
@@ -1531,7 +1532,23 @@ static int serial_omap_probe(struct plat
 	ui[up->port.line] = up;
 	serial_omap_add_console_port(up);
 
+	if (omap_up_info->init_termios_enabled) {
+		tp = kzalloc(sizeof(struct ktermios[2]), GFP_KERNEL);
+		if (tp == NULL) {
+			dev_err(&pdev->dev, "can't alloc termios structure UART, init termios won't be set\n");
+		} else {
+			memcpy(tp, &omap_up_info->init_termios,
+									sizeof(struct ktermios));
+
+			if (serial_omap_reg.tty_driver->termios != NULL) {
+				serial_omap_reg.tty_driver->termios[up->port.line] = tp;
+				dev_info(&pdev->dev, "Applied init termios settings for line %d\n", up->port.line);
+			}
+		}
+	}
+
 	ret = uart_add_one_port(&serial_omap_reg, &up->port);
+
 	if (ret != 0)
 		goto do_release_region;

Overwriting default baudrate of ttyO3 and default parameters. So the serial interface has the correct settings directly after start.