diff --git a/wiringPi/odroidn2.c b/wiringPi/odroidn2.c
index 2c4970e..b8e892a 100755
--- a/wiringPi/odroidn2.c
+++ b/wiringPi/odroidn2.c
@@ -205,9 +205,8 @@ static int		_pwmWrite		(int pin, int value);
 static int		_analogRead		(int pin);
 static int		_digitalWriteByte	(const unsigned int value);
 static unsigned int	_digitalReadByte	(void);
-
-static void _pwmSetRange (unsigned int range);
-static void _pwmSetClock (int divisor);
+static void		_pwmSetRange		(unsigned int range);
+static void		_pwmSetClock		(int divisor);
 
 /*----------------------------------------------------------------------------*/
 // board init function
@@ -724,7 +723,7 @@ static int _digitalWriteByte (const unsigned int value)
 }
 
 /*----------------------------------------------------------------------------*/
-void _pwmSetRange (unsigned int range)
+static void _pwmSetRange (unsigned int range)
 {
 	range = range & 0xFFFF;
 	for( int i = 0; i < 6; ++i )
@@ -734,7 +733,7 @@ void _pwmSetRange (unsigned int range)
 }
 
 /*----------------------------------------------------------------------------*/
-void _pwmSetClock (int divisor)
+static void _pwmSetClock (int divisor)
 {
 	divisor = (divisor - 1) & 0x7F;
 
@@ -800,7 +799,7 @@ static void init_gpio_mmap (void)
 			msg(MSG_ERR, "wiringPiSetup: mmap (GPIO) failed: %s \n", strerror (errno));
 		else
 			gpio = (uint32_t *) mapped;
-		
+
 		for(uint16_t i = 1; i < 3; ++i) {
 			pwm[i] = ( uint32_t * )mmap( 0, BLOCK_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, N2_GPIO_PWM_BASE + (0x1000 * (2 - i)) );
 			if( ( void * )pwm == MAP_FAILED )
@@ -846,9 +845,8 @@ void init_odroidn2 (struct libodroid *libwiring)
 	libwiring->analogRead		= _analogRead;
 	libwiring->digitalWriteByte	= _digitalWriteByte;
 	libwiring->digitalReadByte	= _digitalReadByte;
-
-	libwiring->pwmSetRange		=_pwmSetRange;
-	libwiring->pwmSetClock		=_pwmSetClock;
+	libwiring->pwmSetRange		= _pwmSetRange;
+	libwiring->pwmSetClock		= _pwmSetClock;
 
 	/* specify pin base number */
 	libwiring->pinBase		= N2_GPIO_PIN_BASE;
diff --git a/wiringPi/odroidn2.h b/wiringPi/odroidn2.h
index dddc7db..d363230 100755
--- a/wiringPi/odroidn2.h
+++ b/wiringPi/odroidn2.h
@@ -49,18 +49,18 @@
 #define N2_PWM_MISC_REG_01_OFFSET	0x02
 
 /// PWM_MISC_REG_CD
-#define N2_PWM_1_INV_EN		( 27 )
-#define N2_PWM_0_INV_EN		( 26 )
-#define N2_PWM_1_CLK_EN		( 23 )
-#define N2_PWM_1_CLK_DIV0	( 16 )	/// 22 ~ 16
-#define N2_PWM_0_CLK_EN		( 15 )
-#define N2_PWM_0_CLK_DIV0	( 8 )	/// 14 ~ 8
-#define N2_PWM_1_CLK_SEL0	( 6 )	/// 7 ~ 6
-#define N2_PWM_0_CLK_SEL0	( 4 )	/// 5 ~ 4
-#define N2_PWM_1_DS_EN		( 3 )
-#define N2_PWM_0_DS_EN		( 2 )
-#define N2_PWM_1_EN		( 1 )
-#define N2_PWM_0_EN		( 0 )
+#define N2_PWM_1_INV_EN			( 27 )
+#define N2_PWM_0_INV_EN			( 26 )
+#define N2_PWM_1_CLK_EN			( 23 )
+#define N2_PWM_1_CLK_DIV0		( 16 )	/// 22 ~ 16
+#define N2_PWM_0_CLK_EN			( 15 )
+#define N2_PWM_0_CLK_DIV0		( 8 )	/// 14 ~ 8
+#define N2_PWM_1_CLK_SEL0		( 6 )	/// 7 ~ 6
+#define N2_PWM_0_CLK_SEL0		( 4 )	/// 5 ~ 4
+#define N2_PWM_1_DS_EN			( 3 )
+#define N2_PWM_0_DS_EN			( 2 )
+#define N2_PWM_1_EN			( 1 )
+#define N2_PWM_0_EN			( 0 )
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/wiringPi/wiringPi.h b/wiringPi/wiringPi.h
index 00fdb0b..5daa7db 100755
--- a/wiringPi/wiringPi.h
+++ b/wiringPi/wiringPi.h
@@ -138,10 +138,9 @@ struct libodroid
 	int	(*analogRead)		(int pin);
 	int	(*digitalWriteByte)	(const unsigned int value);
 	unsigned int (*digitalReadByte)	(void);
-
-	void (*pwmSetMode)	(int mode);
-	void (*pwmSetRange)	(unsigned int range);
-	void (*pwmSetClock)	(int divisor);
+	void	(*pwmSetMode)		(int mode);
+	void	(*pwmSetRange)		(unsigned int range);
+	void	(*pwmSetClock)		(int divisor);
 
 	/* ISR Function pointer */
 	void 	(*isrFunctions[256])(void);
@@ -269,6 +268,9 @@ extern unsigned int  digitalReadByte	(void);
 extern		void digitalWriteByte	(const int value);
 extern		void pwmWrite		(int pin, int value);
 extern		int  analogRead		(int pin);
+extern		void pwmSetMode		(int mode);
+extern		void pwmSetRange	(unsigned int range);
+extern		void pwmSetClock	(int divisor);
 
 // Hardware specific stuffs
 extern		int  piGpioLayout	(void);
@@ -281,9 +283,6 @@ extern		int  physPinToGpio	(int physPin);
 extern		void pinModeAlt		(int pin, int mode) UNU;
 extern		void analogWrite	(int pin, int value) UNU;
 extern		void pwmToneWrite	(int pin, int freq) UNU;
-extern		void pwmSetMode		(int mode) UNU;
-extern		void pwmSetRange	(unsigned int range) UNU;
-extern		void pwmSetClock	(int divisor) UNU;
 extern		void gpioClockSet	(int pin, int freq) UNU;
 extern unsigned int  digitalReadByte	(void) UNU;
 extern unsigned int  digitalReadByte2	(void) UNU;