Fixed style and build issue

Author: Parthasarathy.S

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/TARGET_SAMR21G18A/PeripheralPins.c

@@ -205,18 +205,18 @@ const struct pwm_pin_channel pwn_pins[] = {
     {PA17, PWM_2, 1},
     {PA18, PWM_0, 2},
     {PA19, PWM_0, 3},
-	{PA20, PWM_0, 6},
-	{PA22, PWM_0, 4},
-	{PA23, PWM_0, 5},
-	{PA24, PWM_1, 2},
-	{PA25, PWM_1, 3},
-	{PA30, PWM_1, 0},
-	{PA31, PWM_1, 1},
-	{PB16, PWM_0, 4},
-	{PB17, PWM_0, 5},
-	{PB30, PWM_0, 0},
-	{PB31, PWM_0, 1},
-    
+    {PA20, PWM_0, 6},
+    {PA22, PWM_0, 4},
+    {PA23, PWM_0, 5},
+    {PA24, PWM_1, 2},
+    {PA25, PWM_1, 3},
+    {PA30, PWM_1, 0},
+    {PA31, PWM_1, 1},
+    {PB16, PWM_0, 4},
+    {PB17, PWM_0, 5},
+    {PB30, PWM_0, 0},
+    {PB31, PWM_0, 1},
+
     /* Not connected */
     {(PinName) NC  ,(PWMName) NC   ,(uint8_t) NC}
 };

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/dma_api.c

@@ -301,8 +301,8 @@ bool dma_is_transfer_complete(int channelid)
 
     if (channel_index >= CONF_MAX_USED_CHANNEL_NUM) {
         /* This channel is not active! return zero for now */
-       // res = 0;
-       return 0;
+        // res = 0;
+        return 0;
     }
 
     return (STATUS_OK == dma_get_job_status(&dma_channels[channel_index].resource));

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/clock/TARGET_SAMD21/clock.c

@@ -487,10 +487,9 @@ enum status_code system_clock_source_write_calibration(
 {
     switch (clock_source) {
         case SYSTEM_CLOCK_SOURCE_OSC8M:
-            if (calibration_value > 0xfff || freq_range > 4) 
-			{
-              return STATUS_ERR_INVALID_ARG;
-            }
+                    if (calibration_value > 0xfff || freq_range > 4) {
+                    return STATUS_ERR_INVALID_ARG;
+                }
             SYSCTRL->OSC8M.bit.CALIB  = calibration_value;
             SYSCTRL->OSC8M.bit.FRANGE = freq_range;
             break;
@@ -510,7 +509,7 @@ enum status_code system_clock_source_write_calibration(
         default:
             Assert(false);
             return STATUS_ERR_INVALID_ARG;
-	}
+    }
     return STATUS_OK;
 }
 

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/clock/TARGET_SAMR21/clock.c

@@ -518,7 +518,7 @@ enum status_code system_clock_source_write_calibration(
         default:
             Assert(false);
             return STATUS_ERR_INVALID_ARG;
-            
+
     }
 
     return STATUS_OK;

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/gpio_api.c

@@ -75,7 +75,7 @@ void gpio_dir(gpio_t *obj, PinDirection direction)
 {
     MBED_ASSERT(obj->pin != (PinName)NC);
     struct port_config pin_conf;
-	obj->direction = direction;
+    obj->direction = direction;
     pin_conf.input_pull = (enum port_pin_pull)obj->mode;
     pin_conf.powersave  = obj->powersave;
     switch (direction) {

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/i2c_api.c

@@ -924,20 +924,20 @@ uint32_t i2c_irq_handler_asynch(i2c_t *obj)
     uint32_t event_mask = pI2C_S(obj)->events;
 
     /* TODO: Current implementation is interrupt based only */
-    
+
     switch (pI2C_S(obj)->master.status) {
         case STATUS_OK:
             /* Transfer is complete */
             return (I2C_EVENT_TRANSFER_COMPLETE & event_mask);
-           
+
         case STATUS_ERR_BAD_ADDRESS:
             /* Received a NACK */
             return (I2C_EVENT_ERROR_NO_SLAVE & event_mask);
-        
+
         case STATUS_ERR_PACKET_COLLISION:
             /* An error occurred in between transfer */
             return (I2C_EVENT_ERROR & event_mask);
-       
+
         default:
             return 0;
     }

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/serial_api.c

@@ -104,7 +104,7 @@ static inline void reset_usart(serial_t *obj)
 
     /* Reset module */
     _USART(obj).CTRLA.reg = SERCOM_USART_CTRLA_SWRST;
-	SUPPRESS_WARNING(reset_usart);
+    SUPPRESS_WARNING(reset_usart);
 }
 
 uint32_t serial_find_mux_settings (serial_t *obj)

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/spi_api.c

@@ -863,7 +863,7 @@ static enum status_code _spi_transceive_buffer(spi_t *obj)
 void spi_master_transfer(spi_t *obj, const void *tx, size_t tx_length, void *rx, size_t rx_length, uint8_t bit_width, uint32_t handler, uint32_t event, DMAUsage hint)
 {
     uint16_t dummy_read;
-	(void) dummy_read; 
+    (void) dummy_read;
     /* Sanity check arguments */
     MBED_ASSERT(obj);
 

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/us_ticker.c

@@ -109,7 +109,6 @@ void us_ticker_init(void)
 
     /* Initialize the timer */
     tc_init(&us_ticker_module, TICKER_COUNTER_uS, &config_tc);
-    MBED_ASSERT(ret_status == STATUS_OK);
 
     /* Register callback function */
     tc_register_callback(&us_ticker_module, (tc_callback_t)us_ticker_irq_handler_internal, TC_CALLBACK_CC_CHANNEL0);