From deba1a0d58b54905a5201cb9e1aa878cfc74ff70 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Tue, 21 Jun 2011 12:17:00 +0800
Subject: [PATCH] atmel_serial: fix internal port num

the atmel_ports is link to the console number and not the device id

this was not detected on at91 as we always register the dbgu on the console
as ttyS0

tested on at91sam9263 by setting the dbgu as ttyS1 and use as console

diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 70e5646..9b8a14f 100644
- a/arch/arm/mach-at91/board-sam9263ek.c
+ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -58,14 +58,14 @@ static void __init ek_init_early(void)
        /* Initialize processor: 16.367 MHz crystal */
        at91_initialize(16367660);

-       /* DBGU on ttyS0. (Rx & Tx only) */
-       at91_register_uart(0, 0, 0);
+       /* DBGU on ttyS1. (Rx & Tx only) */
+       at91_register_uart(0, 1, 0);

-       /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
-       at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+       /* USART0 on ttyS0. (Rx, Tx, RTS, CTS) */
+       at91_register_uart(AT91SAM9263_ID_US0, 0, ATMEL_UART_CTS | ATMEL_UART_RTS);

-       /* set serial console to ttyS0 (ie, DBGU) */
-       at91_set_serial_console(0);
+       /* set serial console to ttyS1 (ie, DBGU) */
+       at91_set_serial_console(1);
 }

 /*

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
---
 drivers/tty/serial/atmel_serial.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 6d5d6e679fc7..af9b7814965a 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1709,12 +1709,13 @@ static int atmel_serial_resume(struct platform_device *pdev)
 static int __devinit atmel_serial_probe(struct platform_device *pdev)
 {
 	struct atmel_uart_port *port;
+	struct atmel_uart_data *pdata = pdev->dev.platform_data;
 	void *data;
 	int ret;
 
 	BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1));
 
-	port = &atmel_ports[pdev->id];
+	port = &atmel_ports[pdata->num];
 	port->backup_imr = 0;
 
 	atmel_init_port(port, pdev);