diff --git a/arch/arm/src/samd2l2/sam_serial.c b/arch/arm/src/samd2l2/sam_serial.c
index 25fb58fe30..5fc2cf7049 100644
--- a/arch/arm/src/samd2l2/sam_serial.c
+++ b/arch/arm/src/samd2l2/sam_serial.c
@@ -68,6 +68,7 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
+
 /* If we are not using the serial driver for the console, then we still must
  * provide some minimal implementation of up_putc.
  */
@@ -477,7 +478,7 @@ static uart_dev_t g_usart4port =
   {
     .size   = CONFIG_USART4_TXBUFSIZE,
     .buffer = g_usart4txbuffer,
-   },
+  },
   .ops      = &g_uart_ops,
   .priv     = &g_usart4priv,
 };
@@ -510,7 +511,7 @@ static uart_dev_t g_usart5port =
   {
     .size   = CONFIG_USART5_TXBUFSIZE,
     .buffer = g_usart5txbuffer,
-   },
+  },
   .ops      = &g_uart_ops,
   .priv     = &g_usart5priv,
 };
@@ -848,7 +849,9 @@ static void sam_rxint(struct uart_dev_s *dev, bool enable)
 
   if (enable)
     {
-      /* Receive an interrupt when their is anything in the Rx data register */
+      /* Receive an interrupt when their is anything in the Rx data
+       * register
+       */
 
 #ifndef CONFIG_SUPPRESS_SERIAL_INTS
       sam_serialout8(priv, SAM_USART_INTENSET_OFFSET, USART_INT_RXC);
@@ -871,7 +874,8 @@ static void sam_rxint(struct uart_dev_s *dev, bool enable)
 static bool sam_rxavailable(struct uart_dev_s *dev)
 {
   struct sam_dev_s *priv = (struct sam_dev_s *)dev->priv;
-  return ((sam_serialin8(priv, SAM_USART_INTFLAG_OFFSET) & USART_INT_RXC) != 0);
+  return ((sam_serialin8(priv, SAM_USART_INTFLAG_OFFSET) & USART_INT_RXC)
+          != 0);
 }
 
 /****************************************************************************
@@ -929,7 +933,9 @@ static void sam_txint(struct uart_dev_s *dev, bool enable)
     }
   else
     {
-      /* Disable the TX interrupt. Only disable DRE, TXC will disable itself! */
+      /* Disable the TX interrupt. Only disable DRE, TXC will disable
+       * itself!
+       */
 
       sam_serialout8(priv, SAM_USART_INTENCLR_OFFSET, USART_INT_DRE);
     }
@@ -948,7 +954,8 @@ static void sam_txint(struct uart_dev_s *dev, bool enable)
 static bool sam_txempty(struct uart_dev_s *dev)
 {
   struct sam_dev_s *priv = (struct sam_dev_s *)dev->priv;
-  return ((sam_serialin8(priv, SAM_USART_INTFLAG_OFFSET) & USART_INT_DRE) != 0);
+  return ((sam_serialin8(priv, SAM_USART_INTFLAG_OFFSET) & USART_INT_DRE)
+          != 0);
 }
 
 /****************************************************************************