From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sat, 13 Sep 2008 19:10:59 +0000 (+0100)
Subject: Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6.git
X-Git-Tag: v2.6.27-rc7~27^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=68ddb1d963c44da913b0331b633828c48206351b;hp=c33de47bce74e0c890f9f830a7641371524edbc1

Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6.git
---

diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 0a152ed15a85..df8582a6231b 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -54,7 +54,7 @@ static struct platform_device pcm037_flash = {
 };
 
 static struct imxuart_platform_data uart_pdata = {
-	.flags = 0,
+	.flags = IMXUART_HAVE_RTSCTS,
 };
 
 static struct platform_device *devices[] __initdata = {
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 6a29f9330a73..3f90f1bbbbcd 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -127,8 +127,13 @@
 #define  UCR3_RXDSEN	 (1<<6)  /* Receive status interrupt enable */
 #define  UCR3_AIRINTEN   (1<<5)  /* Async IR wake interrupt enable */
 #define  UCR3_AWAKEN	 (1<<4)  /* Async wake interrupt enable */
-#define  UCR3_REF25 	 (1<<3)  /* Ref freq 25 MHz */
-#define  UCR3_REF30 	 (1<<2)  /* Ref Freq 30 MHz */
+#ifdef CONFIG_ARCH_IMX
+#define  UCR3_REF25 	 (1<<3)  /* Ref freq 25 MHz, only on mx1 */
+#define  UCR3_REF30 	 (1<<2)  /* Ref Freq 30 MHz, only on mx1 */
+#endif
+#if defined CONFIG_ARCH_MX2 || defined CONFIG_ARCH_MX3
+#define  UCR3_RXDMUXSEL	 (1<<2)  /* RXD Muxed Input Select, on mx2/mx3 */
+#endif
 #define  UCR3_INVT  	 (1<<1)  /* Inverted Infrared transmission */
 #define  UCR3_BPEN  	 (1<<0)  /* Preset registers enable */
 #define  UCR4_CTSTL_32   (32<<10) /* CTS trigger level (32 chars) */
@@ -445,7 +450,7 @@ static irqreturn_t imx_int(int irq, void *dev_id)
 			readl(sport->port.membase + UCR1) & UCR1_TXMPTYEN)
 		imx_txint(irq, dev_id);
 
-	if (sts & USR1_RTSS)
+	if (sts & USR1_RTSD)
 		imx_rtsint(irq, dev_id);
 
 	return IRQ_HANDLED;
@@ -598,6 +603,12 @@ static int imx_startup(struct uart_port *port)
 	temp |= (UCR2_RXEN | UCR2_TXEN);
 	writel(temp, sport->port.membase + UCR2);
 
+#if defined CONFIG_ARCH_MX2 || defined CONFIG_ARCH_MX3
+	temp = readl(sport->port.membase + UCR3);
+	temp |= UCR3_RXDMUXSEL;
+	writel(temp, sport->port.membase + UCR3);
+#endif
+
 	/*
 	 * Enable modem status interrupts
 	 */
@@ -1133,13 +1144,19 @@ static int serial_imx_probe(struct platform_device *pdev)
 	if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
 		sport->have_rtscts = 1;
 
-	if (pdata->init)
-		pdata->init(pdev);
+	if (pdata->init) {
+		ret = pdata->init(pdev);
+		if (ret)
+			goto clkput;
+	}
 
 	uart_add_one_port(&imx_reg, &sport->port);
 	platform_set_drvdata(pdev, &sport->port);
 
 	return 0;
+clkput:
+	clk_put(sport->clk);
+	clk_disable(sport->clk);
 unmap:
 	iounmap(sport->port.membase);
 free: