IMX UART: Add board specific init/exit functions

Add platform specific init functions. Also rename the struct
platform_device dev into pdev.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 21 insertions, 9 deletions

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 6226e66c7966..77968432b81e 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1078,30 +1078,40 @@ static int serial_imx_resume(struct platform_device *dev)
         return 0;
 }
 
-static int serial_imx_probe(struct platform_device *dev)
+static int serial_imx_probe(struct platform_device *pdev)
 {
         struct imxuart_platform_data *pdata;
 
-        imx_ports[dev->id].port.dev = &dev->dev;
+        imx_ports[pdev->id].port.dev = &pdev->dev;
 
-        pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+        pdata = pdev->dev.platform_data;
         if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
-                imx_ports[dev->id].have_rtscts = 1;
+                imx_ports[pdev->id].have_rtscts = 1;
+
+        if (pdata->init)
+                pdata->init(pdev);
+
+        uart_add_one_port(&imx_reg, &imx_ports[pdev->id].port);
+        platform_set_drvdata(pdev, &imx_ports[pdev->id]);
 
-        uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
-        platform_set_drvdata(dev, &imx_ports[dev->id]);
         return 0;
 }
 
-static int serial_imx_remove(struct platform_device *dev)
+static int serial_imx_remove(struct platform_device *pdev)
 {
-        struct imx_port *sport = platform_get_drvdata(dev);
+        struct imxuart_platform_data *pdata;
+        struct imx_port *sport = platform_get_drvdata(pdev);
 
-        platform_set_drvdata(dev, NULL);
+        pdata = pdev->dev.platform_data;
+
+        platform_set_drvdata(pdev, NULL);
 
         if (sport)
                 uart_remove_one_port(&imx_reg, &sport->port);
 
+        if (pdata->exit)
+                pdata->exit(pdev);
+
         return 0;
 }
 
diff --git a/include/asm-arm/arch-imx/imx-uart.h b/include/asm-arm/arch-imx/imx-uart.h
index 3a685e1780ea..d54eb1d48026 100644
--- a/include/asm-arm/arch-imx/imx-uart.h
+++ b/include/asm-arm/arch-imx/imx-uart.h
@@ -4,6 +4,8 @@
 #define IMXUART_HAVE_RTSCTS (1<<0)
 
 struct imxuart_platform_data {
+        int (*init)(struct platform_device *pdev);
+        void (*exit)(struct platform_device *pdev);
         unsigned int flags;
 };