Make sure that there is one space after for

arch/arm/src/common/up_vfork.c

@@ -185,7 +185,7 @@ pid_t up_vfork(const struct vfork_s *context)
   /* Make some feeble effort to perserve the stack contents.  This is
    * feeble because the stack surely contains invalid pointers and other
    * content that will not work in the child context.  However, if the
-   * user follows all of the caveats of vfor() usage, even this feeble
+   * user follows all of the caveats of vfork() usage, even this feeble
    * effort is overkill.
    */
 

arch/mips/src/mips32/up_vfork.c

@@ -190,7 +190,7 @@ pid_t up_vfork(const struct vfork_s *context)
   /* Make some feeble effort to perserve the stack contents.  This is
    * feeble because the stack surely contains invalid pointers and other
    * content that will not work in the child context.  However, if the
-   * user follows all of the caveats of vfor() usage, even this feeble
+   * user follows all of the caveats of vfork() usage, even this feeble
    * effort is overkill.
    */
 

configs/vsn/src/sif.c

@@ -190,14 +190,12 @@ struct vsn_sif_s {
     sem_t               exclusive_access;
 };
 
-
 /****************************************************************************
  * Private data
  ****************************************************************************/
 
 struct vsn_sif_s vsn_sif;
 
-
 /****************************************************************************
  * Semaphores
  ****************************************************************************/
@@ -210,18 +208,15 @@ void sif_sem_wait(void)
       }
 }
 
-
 void inline sif_sem_post(void)
 {
     sem_post(&vsn_sif.exclusive_access);
 }
 
-
 /****************************************************************************
  * GPIOs and Alternative Functions
  ****************************************************************************/
 
-
 void sif_gpios_reset(void)
 {
     vsn_sif.gpio[0] = vsn_sif.gpio[1] = VSN_SIF_GPIO_HIGHZ;
@@ -230,7 +225,6 @@ void sif_gpios_reset(void)
     stm32_configgpio(GPIO_GP2_HIZ);
 }
 
-
 void sif_gpio1_update(void)
 {
     uint32_t val;
@@ -251,7 +245,6 @@ void sif_gpio1_update(void)
     else vsn_sif.gpio[0] &= ~VSN_SIF_GPIO_READ_MASK;
 }
 
-
 void sif_gpio2_update(void)
 {
     uint32_t val;
@@ -272,7 +265,6 @@ void sif_gpio2_update(void)
     else vsn_sif.gpio[1] &= ~VSN_SIF_GPIO_READ_MASK;
 }
 
-
 int sif_gpios_lock(vsn_sif_state_t peripheral)
 {
     return ERROR;
@@ -284,16 +276,12 @@ int sif_gpios_unlock(vsn_sif_state_t peripheral)
     return ERROR;
 }
 
-
-
-
 /****************************************************************************
  * Analog Outputs
  ****************************************************************************/
 
 static volatile int test = 0, teirq;
 
-
 static int sif_anout_isr(int irq, void *context)
 {
     STM32_TIM_ACKINT(vsn_sif.tim8, 0);
@@ -304,7 +292,6 @@ static int sif_anout_isr(int irq, void *context)
     return OK;
 }
 
-
 int sif_anout_init(void)
 {
     vsn_sif.tim3 = stm32_tim_init(3);
@@ -346,23 +333,19 @@ void sif_anout_update(void)
 {
 }
 
-
 void sif_anout_callback(void)
 {
   // called at rate of PWM interrupt
 }
 
-
 /****************************************************************************
  * Analog Input Reference Tap
  ****************************************************************************/
 
-
 void sif_anref_init(void)
 {
 }
 
-
 /****************************************************************************
  * Analog Input Sampler Unit
  ****************************************************************************/
@@ -434,13 +417,11 @@ int sif_anin_setgain(int gain)
 }
 #endif
 
-
 int sif_anin_reset(void)
 {
     return OK;
 }
 
-
 /****************************************************************************
  * Device driver functions
  ****************************************************************************/
@@ -456,7 +437,6 @@ int devsif_open(FAR struct file *filep)
     return 0;
 }
 
-
 int devsif_close(FAR struct file *filep)
 {
     sif_sem_wait();
@@ -475,7 +455,6 @@ int devsif_close(FAR struct file *filep)
     return 0;
 }
 
-
 static ssize_t devsif_read(FAR struct file *filep, FAR char *buffer, size_t len)
 {
     sif_sem_wait();
@@ -484,7 +463,6 @@ static ssize_t devsif_read(FAR struct file *filep, FAR char *buffer, size_t len)
     return len;
 }
 
-
 static ssize_t devsif_write(FAR struct file *filep, FAR const char *buffer, size_t len)
 {
     sif_sem_wait();
@@ -493,7 +471,6 @@ static ssize_t devsif_write(FAR struct file *filep, FAR const char *buffer, size
     return len;
 }
 
-
 #ifndef CONFIG_DISABLE_POLL
 static int devsif_poll(FAR struct file *filep, FAR struct pollfd *fds,
                         bool setup)
@@ -509,7 +486,6 @@ static int devsif_poll(FAR struct file *filep, FAR struct pollfd *fds,
 }
 #endif
 
-
 int devsif_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 {
     sif_sem_wait();
@@ -517,12 +493,10 @@ int devsif_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
     return 0;
 }
 
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
 
-
 static const struct file_operations devsif_fops = {
     devsif_open,    /* open */
     devsif_close,   /* close */
@@ -535,7 +509,6 @@ static const struct file_operations devsif_fops = {
 #endif
 };
 
- 
 /** Bring up the Sensor Interface by initializing all of the desired
  *  hardware components.
  **/
@@ -560,7 +533,6 @@ int sif_init(void)
     return OK;
 }
 
-
 /** SIF Utility
  *
  * Provides direct access to the sensor connector, readings, and diagnostic.