[FE training-materials-updates] kernel-serial-iomem: fix indentation

[Alexandre Belloni]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=e21ef12fa55c27f95f011d9c342b1efb122ed08f

>---------------------------------------------------------------

commit e21ef12fa55c27f95f011d9c342b1efb122ed08f
Author: Alexandre Belloni <alexandre.belloni at free-electrons.com>
Date:   Thu Nov 7 14:49:39 2013 -0500

    kernel-serial-iomem: fix indentation
    
    Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>


>---------------------------------------------------------------

e21ef12fa55c27f95f011d9c342b1efb122ed08f
 labs/kernel-serial-iomem/kernel-serial-iomem.tex |   87 +++++++++++-----------
 1 file changed, 43 insertions(+), 44 deletions(-)

diff --git a/labs/kernel-serial-iomem/kernel-serial-iomem.tex b/labs/kernel-serial-iomem/kernel-serial-iomem.tex
index 547a0f0..b26ca17 100644
--- a/labs/kernel-serial-iomem/kernel-serial-iomem.tex
+++ b/labs/kernel-serial-iomem/kernel-serial-iomem.tex
@@ -52,51 +52,50 @@ file and create declarations for UART2 and UART4 in the pin muxing
 section:
 
 \begin{verbatim}
-		/* Pins 21 (TX) and 22 (RX) of connector P9 */
-		uart2_pins: uart2_pins {
-			pinctrl-single,pins = <
-				0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* spi0_d0.uart2_tx, MODE 1 */
-				0x150 (PIN_INPUT_PULLUP | MUX_MODE1) /* spi0_sclk.uart2_rx, MODE 1 */
-			>;
-		};
-
-		/* Pins 11 (RX) and 13 (TX) of connector P9 */
-		uart4_pins: uart4_pins {
-			pinctrl-single,pins = <
-				0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* gpmc_wpn.uart4_tx, MODE 6 */
-				0x70 (PIN_INPUT_PULLUP | MUX_MODE6) /* gpmc_wait0.uart4_rx, MODE 6 */
-			>;
-		};
+        /* Pins 21 (TX) and 22 (RX) of connector P9 */
+        uart2_pins: uart2_pins {
+            pinctrl-single,pins = <
+                0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* spi0_d0.uart2_tx, MODE 1 */
+                0x150 (PIN_INPUT_PULLUP | MUX_MODE1) /* spi0_sclk.uart2_rx, MODE 1 */
+            >;
+        };
+
+        /* Pins 11 (RX) and 13 (TX) of connector P9 */
+        uart4_pins: uart4_pins {
+            pinctrl-single,pins = <
+                0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* gpmc_wpn.uart4_tx, MODE 6 */
+                0x70 (PIN_INPUT_PULLUP | MUX_MODE6) /* gpmc_wait0.uart4_rx, MODE 6 */
+            >;
+        };
 \end{verbatim}
 
 Then, declare the corresponding devices:
 
 \begin{verbatim}
-		uartfe2: feserial at 48024000 {
-			compatible = "free-electrons,serial";
-			/* Tell the OMAP harware power management that the block
-			   must be enabled, otherwise it's switched off
-			   Caution: starting counting at 1, not 0 */
-			ti,hwmods = "uart3";
-			clock-frequency = <48000000>;
-			reg = <0x48024000 0x2000>;
-			interrupts = <74>;
-			status = "okay";
-			pinctrl-names = "default";
-			pinctrl-0 = <&uart2_pins>;
-		};
-
-		uartfe4: feserial at 481a8000 {
-			compatible = "free-electrons,serial";
-			ti,hwmods = "uart5";
-			clock-frequency = <48000000>;
-			reg = <0x481a8000 0x2000>;
-			interrupts = <45>;
-			status = "okay";
-			pinctrl-names = "default";
-			pinctrl-0 = <&uart4_pins>;
-		};
-
+        uartfe2: feserial at 48024000 {
+            compatible = "free-electrons,serial";
+            /* Tell the OMAP harware power management that the block
+               must be enabled, otherwise it's switched off
+               Caution: starting counting at 1, not 0 */
+            ti,hwmods = "uart3";
+            clock-frequency = <48000000>;
+            reg = <0x48024000 0x2000>;
+            interrupts = <74>;
+            status = "okay";
+            pinctrl-names = "default";
+            pinctrl-0 = <&uart2_pins>;
+        };
+
+        uartfe4: feserial at 481a8000 {
+            compatible = "free-electrons,serial";
+            ti,hwmods = "uart5";
+            clock-frequency = <48000000>;
+            reg = <0x481a8000 0x2000>;
+            interrupts = <45>;
+            status = "okay";
+            pinctrl-names = "default";
+            pinctrl-0 = <&uart4_pins>;
+        };
 \end{verbatim}
 
 Note: we are calling these devices with \code{uartfe} instead of
@@ -231,14 +230,14 @@ We are now ready to read and write registers!
 Add the below lines to the probe function:
 
 \begin{verbatim}
-	pm_runtime_enable(&pdev->dev);
-	pm_runtime_get_sync(&pdev->dev);
+    pm_runtime_enable(&pdev->dev);
+    pm_runtime_get_sync(&pdev->dev);
 \end{verbatim}
 
 And add the below line to the \code{remove()} routine:
 
 \begin{verbatim}
-	pm_runtime_disable(&pdev->dev);
+    pm_runtime_disable(&pdev->dev);
 \end{verbatim}
 
 \subsection{Line and baud rate configuration}
@@ -258,7 +257,7 @@ property from the device tree, in this case \code{clock-frequency}:
         reg_write(dev, UART_LCR_DLAB, UART_LCR);
         reg_write(dev, baud_divisor & 0xff, UART_DLL);
         reg_write(dev, (baud_divisor >> 8) & 0xff, UART_DLM);
-	reg_write(dev, UART_LCR_WLEN8, UART_LCR);
+        reg_write(dev, UART_LCR_WLEN8, UART_LCR);
 \end{verbatim}
 
 Declare \code{baud_divisor} and \code{uartclk} as \code{unsigned int}.