diff --git a/arch/arm/src/stm32h7/stm32_bbsram.c b/arch/arm/src/stm32h7/stm32_bbsram.c
index 1a0e6ea73a..ee7d5bed8e 100644
--- a/arch/arm/src/stm32h7/stm32_bbsram.c
+++ b/arch/arm/src/stm32h7/stm32_bbsram.c
@@ -110,7 +110,6 @@
 
 /* File Header */
 
-
 struct bbsramfh_s
 {
   uint32_t        crc;         /* CRC calculated over data and this struct
@@ -118,14 +117,13 @@ struct bbsramfh_s
   union
   {
     uint32_t      unit32;      /* uint32 access to force ECC from preventing
-                                  commit */
+                                * commit */
     struct
     {
       uint8_t     fileno;      /* The minor number */
       uint8_t     dirty;       /* Data has been written to the file */
       uint16_t    len;         /* Total Bytes in this file */
     };
-
   };
 
   struct timespec lastwrite;   /* Last write time */
@@ -239,7 +237,7 @@ static void stm32_bbsram_semgive(FAR struct stm32_bbsram_s *priv)
  * Returned Value:
  *  None
  *
-****************************************************************************/
+ ****************************************************************************/
 
 static void stm32_bbsram_semtake(FAR struct stm32_bbsram_s *priv)
 {
@@ -470,6 +468,7 @@ static off_t stm32_bbsram_seek(FAR struct file *filep, off_t offset,
       break;
 
     default:
+
       /* Return EINVAL if the whence argument is invalid */
 
       stm32_bbsram_semgive(bbr);
@@ -739,7 +738,6 @@ static int stm32_bbsram_probe(int *ent, struct stm32_bbsram_s pdev[])
               pf->fileno != i ||
               pf->crc != stm32_bbsram_crc(pf))
             {
-
               /* Not Valid so wipe the file in BBSRAM */
 
               memset((uint8_t *)pf, 0, alloc);
diff --git a/arch/arm/src/stm32h7/stm32_bbsram.h b/arch/arm/src/stm32h7/stm32_bbsram.h
index d2d165c680..060fb66a8d 100644
--- a/arch/arm/src/stm32h7/stm32_bbsram.h
+++ b/arch/arm/src/stm32h7/stm32_bbsram.h
@@ -106,6 +106,7 @@ extern "C"
 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/
+
 /****************************************************************************
  * Function: stm32_bbsraminitialize
  *
diff --git a/arch/arm/src/stm32h7/stm32_pwr.c b/arch/arm/src/stm32h7/stm32_pwr.c
index 39c0a03ae0..b98baae320 100644
--- a/arch/arm/src/stm32h7/stm32_pwr.c
+++ b/arch/arm/src/stm32h7/stm32_pwr.c
@@ -74,7 +74,8 @@ static inline void stm32_pwr_putreg(uint32_t offset, uint32_t value)
   putreg32(value, STM32_PWR_BASE + offset);
 }
 
-static inline void stm32_pwr_modifyreg(uint32_t offset, uint32_t clearbits, uint32_t setbits)
+static inline void stm32_pwr_modifyreg(uint32_t offset, uint32_t clearbits,
+                                       uint32_t setbits)
 {
   modifyreg32(STM32_PWR_BASE + offset, clearbits, setbits);
 }
@@ -183,7 +184,7 @@ void stm32_pwr_enablebkp(bool writable)
       stm32_pwr_putreg(STM32_PWR_CR1_OFFSET, regval);
 
       wait = true;
-	}
+    }
 
   leave_critical_section(flags);
 
@@ -282,7 +283,6 @@ void stm32_pwr_disablepvd(void)
 
 void stm32_pwr_enablebreg(bool regon)
 {
-
   irqstate_t flags;
   uint32_t regval;
   uint32_t reg_wait = 0;
diff --git a/boards/arm/s32k1xx/s32k118evb/include/board.h b/boards/arm/s32k1xx/s32k118evb/include/board.h
index 752310358c..9cab784095 100644
--- a/boards/arm/s32k1xx/s32k118evb/include/board.h
+++ b/boards/arm/s32k1xx/s32k118evb/include/board.h
@@ -53,6 +53,11 @@
 
 /* Clocking *****************************************************************/
 
+/* The S32K118EVB is fitted with a 40MHz Crystal */
+
+#define BOARD_XTAL_FREQUENCY 40000000
+
+/* The S32K118 will run at 48MHz *.
 
 /* LED definitions **********************************************************/