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path: root/target/linux/s3c24xx/patches/0227-fix-s3c2410-serial-fwd-ref.patch.patch.patch
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From 0535fda1958587000a4abe711a50d221e0f82379 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Fri, 25 Jul 2008 23:16:57 +0100
Subject: [PATCH] fix-s3c2410-serial-fwd-ref.patch.patch

Signed-off-by: Andy Green <andy@openmoko.com>
---
 drivers/serial/s3c2410.c |  129 +++++++++++++++++++++++----------------------
 1 files changed, 66 insertions(+), 63 deletions(-)

diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index f20f63b..b4833bd 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -1167,6 +1167,10 @@ static int s3c24xx_serial_resume(struct platform_device *dev)
 #define s3c24xx_serial_resume  NULL
 #endif
 
+static void s3c24xx_serial_force_debug_port_up(void);
+static void s3c2410_printascii(const char *sz);
+
+
 static int s3c24xx_serial_init(struct platform_driver *drv,
 			       struct s3c24xx_uart_info *info)
 {
@@ -1521,6 +1525,68 @@ static struct platform_driver s3c2440_serial_drv = {
 };
 
 
+static void s3c24xx_serial_force_debug_port_up(void)
+{
+	struct s3c24xx_uart_port *ourport = &s3c24xx_serial_ports[
+							 CONFIG_DEBUG_S3C_UART];
+	struct s3c24xx_uart_clksrc *clksrc = NULL;
+	struct clk *clk = NULL;
+	unsigned long tmp;
+
+	s3c24xx_serial_getclk(&ourport->port, &clksrc, &clk, 115200);
+
+	tmp = __raw_readl(S3C2410_CLKCON);
+
+	/* re-start uart clocks */
+	tmp |= S3C2410_CLKCON_UART0;
+	tmp |= S3C2410_CLKCON_UART1;
+	tmp |= S3C2410_CLKCON_UART2;
+
+	__raw_writel(tmp, S3C2410_CLKCON);
+	udelay(10);
+
+	s3c24xx_serial_setsource(&ourport->port, clksrc);
+
+	if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) {
+		clk_disable(ourport->baudclk);
+		ourport->baudclk  = NULL;
+	}
+
+	clk_enable(clk);
+
+	ourport->clksrc = clksrc;
+	ourport->baudclk = clk;
+}
+
+static void s3c2410_printascii(const char *sz)
+{
+	struct s3c24xx_uart_port *ourport = &s3c24xx_serial_ports[
+							 CONFIG_DEBUG_S3C_UART];
+	struct uart_port *port = &ourport->port;
+
+	/* 8 N 1 */
+	wr_regl(port, S3C2410_ULCON, (rd_regl(port, S3C2410_ULCON)) | 3);
+	/* polling mode */
+	wr_regl(port, S3C2410_UCON, (rd_regl(port, S3C2410_UCON) & ~0xc0f) | 5);
+	/* disable FIFO */
+	wr_regl(port, S3C2410_UFCON, (rd_regl(port, S3C2410_UFCON) & ~0x01));
+	/* fix baud rate */
+	wr_regl(port, S3C2410_UBRDIV, 26);
+
+	while (*sz) {
+		int timeout = 10000000;
+
+		/* spin on it being busy */
+		while ((!(rd_regl(port, S3C2410_UTRSTAT) & 2)) && timeout--)
+			;
+
+		/* transmit register */
+		wr_regl(port, S3C2410_UTXH, *sz);
+
+		sz++;
+	}
+}
+
 static inline int s3c2440_serial_init(void)
 {
 	return s3c24xx_serial_init(&s3c2440_serial_drv, &s3c2440_uart_inf);
@@ -1654,69 +1720,6 @@ static struct platform_driver s3c2412_serial_drv = {
 	},
 };
 
-static void s3c24xx_serial_force_debug_port_up(void)
-{
-	struct s3c24xx_uart_port *ourport = &s3c24xx_serial_ports[
-							 CONFIG_DEBUG_S3C_UART];
-	struct s3c24xx_uart_clksrc *clksrc = NULL;
-	struct clk *clk = NULL;
-	unsigned long tmp;
-
-	s3c24xx_serial_getclk(&ourport->port, &clksrc, &clk, 115200);
-
-	tmp = __raw_readl(S3C2410_CLKCON);
-
-	/* re-start uart clocks */
-	tmp |= S3C2410_CLKCON_UART0;
-	tmp |= S3C2410_CLKCON_UART1;
-	tmp |= S3C2410_CLKCON_UART2;
-
-	__raw_writel(tmp, S3C2410_CLKCON);
-	udelay(10);
-
-	s3c24xx_serial_setsource(&ourport->port, clksrc);
-
-	if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) {
-		clk_disable(ourport->baudclk);
-		ourport->baudclk  = NULL;
-	}
-
-	clk_enable(clk);
-
-	ourport->clksrc = clksrc;
-	ourport->baudclk = clk;
-}
-
-static void s3c2410_printascii(const char *sz)
-{
-	struct s3c24xx_uart_port *ourport = &s3c24xx_serial_ports[
-							 CONFIG_DEBUG_S3C_UART];
-	struct uart_port *port = &ourport->port;
-
-	/* 8 N 1 */
-	wr_regl(port, S3C2410_ULCON, (rd_regl(port, S3C2410_ULCON)) | 3);
-	/* polling mode */
-	wr_regl(port, S3C2410_UCON, (rd_regl(port, S3C2410_UCON) & ~0xc0f) | 5);
-	/* disable FIFO */
-	wr_regl(port, S3C2410_UFCON, (rd_regl(port, S3C2410_UFCON) & ~0x01));
-	/* fix baud rate */
-	wr_regl(port, S3C2410_UBRDIV, 26);
-
-	while (*sz) {
-		int timeout = 10000000;
-
-		/* spin on it being busy */
-		while ((!(rd_regl(port, S3C2410_UTRSTAT) & 2)) && timeout--)
-			;
-
-		/* transmit register */
-		wr_regl(port, S3C2410_UTXH, *sz);
-
-		sz++;
-	}
-}
-
-
 /* s3c24xx_serial_resetport
  *
  * wrapper to call the specific reset for this port (reset the fifos
-- 
1.5.6.3