diff --git a/configs/arduino-due/src/sam_touchscreen.c b/configs/arduino-due/src/sam_touchscreen.c
index b03ba31fb8..48dae4c162 100644
--- a/configs/arduino-due/src/sam_touchscreen.c
+++ b/configs/arduino-due/src/sam_touchscreen.c
@@ -355,50 +355,36 @@ static FAR struct spi_dev_s *sam_tsc_spiinitialize(void)
 int sam_tsc_setup(int minor)
 {
   FAR struct spi_dev_s *dev;
-  static bool initialized = false;
   int ret;
 
   iinfo("minor %d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Have we already initialized?  Since we never uninitialize we must prevent
-   * multiple initializations.  This is necessary, for example, when the
-   * touchscreen example is used as a built-in application in NSH and can be
-   * called numerous time.  It will attempt to initialize each time.
-   */
+  /* Configure and enable the XPT2046 interrupt pin as an input */
 
-  if (!initialized)
+  (void)sam_configgpio(GPIO_TSC_IRQ);
+
+  /* Configure the PIO interrupt */
+
+  sam_gpioirq(SAM_TSC_IRQ);
+
+  /* Get an instance of the SPI interface for the touchscreen chip select */
+
+  dev = sam_tsc_spiinitialize();
+  if (!dev)
     {
-      /* Configure and enable the XPT2046 interrupt pin as an input */
+      ierr("ERROR: Failed to initialize bit bang SPI\n");
+      return -ENODEV;
+    }
 
-      (void)sam_configgpio(GPIO_TSC_IRQ);
+  /* Initialize and register the SPI touschscreen device */
 
-      /* Configure the PIO interrupt */
-
-      sam_gpioirq(SAM_TSC_IRQ);
-
-      /* Get an instance of the SPI interface for the touchscreen chip select */
-
-      dev = sam_tsc_spiinitialize();
-      if (!dev)
-        {
-          ierr("ERROR: Failed to initialize bit bang SPI\n");
-          return -ENODEV;
-        }
-
-      /* Initialize and register the SPI touschscreen device */
-
-      ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device\n");
-          /* up_spiuninitialize(dev); */
-          return -ENODEV;
-        }
-
-      /* Now we are initialized */
-
-      initialized = true;
+  ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device\n");
+      /* up_spiuninitialize(dev); */
+      return -ENODEV;
     }
 
   return OK;
diff --git a/configs/open1788/src/lpc17_touchscreen.c b/configs/open1788/src/lpc17_touchscreen.c
index 6c72a9205e..65a0f33fae 100644
--- a/configs/open1788/src/lpc17_touchscreen.c
+++ b/configs/open1788/src/lpc17_touchscreen.c
@@ -272,50 +272,40 @@ static bool tsc_pendown(FAR struct ads7843e_config_s *state)
 
 int open1788_tsc_setup(int minor)
 {
-  static bool initialized = false;
   FAR struct spi_dev_s *dev;
   int ret;
 
-  iinfo("initialized:%d minor:%d\n", initialized, minor);
+  iinfo("minor:%d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Since there is no uninitialized logic, this initialization can be
-   * performed only one time.
-   */
+  /* Configure and enable the XPT2046 PENIRQ pin as an interrupting input. */
 
-  if (!initialized)
-    {
-      /* Configure and enable the XPT2046 PENIRQ pin as an interrupting input. */
+  (void)lpc17_configgpio(GPIO_TC_PENIRQ);
 
-      (void)lpc17_configgpio(GPIO_TC_PENIRQ);
-
-      /* Configure the XPT2046 BUSY pin as a normal input. */
+  /* Configure the XPT2046 BUSY pin as a normal input. */
 
 #ifndef XPT2046_NO_BUSY
-      (void)lpc17_configgpio(GPIO_TC_BUSY);
+  (void)lpc17_configgpio(GPIO_TC_BUSY);
 #endif
 
-      /* Get an instance of the SPI interface */
+  /* Get an instance of the SPI interface */
 
-      dev = lpc17_sspbus_initialize(CONFIG_ADS7843E_SPIDEV);
-      if (!dev)
-        {
-          ierr("ERROR: Failed to initialize SPI bus %d\n", CONFIG_ADS7843E_SPIDEV);
-          return -ENODEV;
-        }
+  dev = lpc17_sspbus_initialize(CONFIG_ADS7843E_SPIDEV);
+  if (!dev)
+    {
+      ierr("ERROR: Failed to initialize SPI bus %d\n", CONFIG_ADS7843E_SPIDEV);
+      return -ENODEV;
+    }
 
-      /* Initialize and register the SPI touchscreen device */
+  /* Initialize and register the SPI touchscreen device */
 
-      ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device minor=%d\n",
-               CONFIG_ADS7843E_DEVMINOR);
-       /* up_spiuninitialize(dev); */
-          return -ENODEV;
-        }
-
-      initialized = true;
+  ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device minor=%d\n",
+           CONFIG_ADS7843E_DEVMINOR);
+      /* up_spiuninitialize(dev); */
+      return -ENODEV;
     }
 
   return OK;
diff --git a/configs/sama5d3x-ek/src/sam_touchscreen.c b/configs/sama5d3x-ek/src/sam_touchscreen.c
index cbeba1ec02..e22f991121 100644
--- a/configs/sama5d3x-ek/src/sam_touchscreen.c
+++ b/configs/sama5d3x-ek/src/sam_touchscreen.c
@@ -88,38 +88,28 @@
 int sam_tsc_setup(int minor)
 {
   struct sam_adc_s *adc;
-  static bool initialized = false;
   int ret;
 
-  iinfo("initialized:%d minor:%d\n", initialized, minor);
+  iinfo("minor:%d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Since there is no uninitialized logic, this initialization can be
-   * performed only one time.
-   */
+  /* Initialize the ADC driver */
 
-  if (!initialized)
+  adc = sam_adc_initialize();
+  if (!adc)
     {
-      /* Initialize the ADC driver */
+      ierr("ERROR: Failed to initialize the ADC driver\n");
+      return -ENODEV;
+    }
 
-      adc = sam_adc_initialize();
-      if (!adc)
-        {
-          ierr("ERROR: Failed to initialize the ADC driver\n");
-          return -ENODEV;
-        }
+  /* Initialize and register the SPI touchscreen device */
 
-      /* Initialize and register the SPI touchscreen device */
-
-      ret = sam_tsd_register(adc, CONFIG_SAMA5D3xEK_TSD_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device /dev/input%d: %d\n",
-               CONFIG_SAMA5D3xEK_TSD_DEVMINOR, ret);
-          return -ENODEV;
-        }
-
-      initialized = true;
+  ret = sam_tsd_register(adc, CONFIG_SAMA5D3xEK_TSD_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device /dev/input%d: %d\n",
+           CONFIG_SAMA5D3xEK_TSD_DEVMINOR, ret);
+      return -ENODEV;
     }
 
   return OK;
diff --git a/configs/sama5d4-ek/src/sam_maxtouch.c b/configs/sama5d4-ek/src/sam_maxtouch.c
index 3a2e3f5f37..0790caa711 100644
--- a/configs/sama5d4-ek/src/sam_maxtouch.c
+++ b/configs/sama5d4-ek/src/sam_maxtouch.c
@@ -238,52 +238,38 @@ static int mxt_interrupt(int irq, FAR void *context, FAR void *arg)
 int sam_tsc_setup(int minor)
 {
   FAR struct i2c_master_s *i2c;
-  static bool initialized = false;
   int ret;
 
   iinfo("minor %d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Have we already initialized?  Since we never uninitialize we must prevent
-   * multiple initializations.  This is necessary, for example, when the
-   * touchscreen example is used as a built-in application in NSH and can be
-   * called numerous time.  It will attempt to initialize each time.
-   */
+  /* Configure the maXTouch CHG interrupt pin */
 
-  if (!initialized)
+  (void)sam_configpio(PIO_CHG_MXT);
+
+  /* Get an instance of the I2C interface for the touchscreen chip select */
+
+  i2c = sam_i2cbus_initialize(MXT_TWI_BUS);
+  if (!i2c)
     {
-      /* Configure the maXTouch CHG interrupt pin */
+      ierr("ERROR: Failed to initialize I2C%d\n", MXT_TWI_BUS);
+      return -ENODEV;
+    }
 
-      (void)sam_configpio(PIO_CHG_MXT);
+  /* Configure maXTouch CHG interrupts */
 
-      /* Get an instance of the I2C interface for the touchscreen chip select */
+  sam_pioirq(PIO_CHG_MXT);
+  (void)irq_attach(IRQ_CHG_MXT, mxt_interrupt, NULL);
 
-      i2c = sam_i2cbus_initialize(MXT_TWI_BUS);
-      if (!i2c)
-        {
-          ierr("ERROR: Failed to initialize I2C%d\n", MXT_TWI_BUS);
-          return -ENODEV;
-        }
+  /* Initialize and register the I2C touchscreen device */
 
-       /* Configure maXTouch CHG interrupts */
-
-      sam_pioirq(PIO_CHG_MXT);
-      (void)irq_attach(IRQ_CHG_MXT, mxt_interrupt, NULL);
-
-      /* Initialize and register the I2C touchscreen device */
-
-      ret = mxt_register(i2c, &g_mxtinfo.lower, CONFIG_SAMA5D4EK_MXT_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device\n");
-          irq_detach(IRQ_CHG_MXT);
-          /* sam_i2cbus_uninitialize(i2c); */
-          return -ENODEV;
-        }
-
-      /* Now we are initialized */
-
-      initialized = true;
+  ret = mxt_register(i2c, &g_mxtinfo.lower, CONFIG_SAMA5D4EK_MXT_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device\n");
+      irq_detach(IRQ_CHG_MXT);
+      /* sam_i2cbus_uninitialize(i2c); */
+      return -ENODEV;
     }
 
   return OK;
diff --git a/configs/samv71-xult/src/sam_maxtouch.c b/configs/samv71-xult/src/sam_maxtouch.c
index 7db38fd551..e368d5958d 100644
--- a/configs/samv71-xult/src/sam_maxtouch.c
+++ b/configs/samv71-xult/src/sam_maxtouch.c
@@ -237,52 +237,38 @@ static int mxt_interrupt(int irq, FAR void *context, FAR void *arg)
 int sam_tsc_setup(int minor)
 {
   FAR struct i2c_master_s *i2c;
-  static bool initialized = false;
   int ret;
 
   iinfo("minor %d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Have we already initialized?  Since we never uninitialize we must prevent
-   * multiple initializations.  This is necessary, for example, when the
-   * touchscreen example is used as a built-in application in NSH and can be
-   * called numerous time.  It will attempt to initialize each time.
-   */
+  /* Configure the maXTouch CHG interrupt pin */
 
-  if (!initialized)
+  (void)sam_configgpio(GPIO_MXT_CHG);
+
+  /* Get an instance of the I2C interface for the touchscreen chip select */
+
+  i2c = sam_i2cbus_initialize(MXT_TWI_BUS);
+  if (!i2c)
     {
-      /* Configure the maXTouch CHG interrupt pin */
+      ierr("ERROR: Failed to initialize I2C%d\n", MXT_TWI_BUS);
+      return -ENODEV;
+    }
 
-      (void)sam_configgpio(GPIO_MXT_CHG);
+  /* Configure maXTouch CHG interrupts */
 
-      /* Get an instance of the I2C interface for the touchscreen chip select */
+  sam_gpioirq(GPIO_MXT_CHG);
+  (void)irq_attach(IRQ_MXT_CHG, mxt_interrupt, NULL);
 
-      i2c = sam_i2cbus_initialize(MXT_TWI_BUS);
-      if (!i2c)
-        {
-          ierr("ERROR: Failed to initialize I2C%d\n", MXT_TWI_BUS);
-          return -ENODEV;
-        }
+  /* Initialize and register the I2C touchscreen device */
 
-      /* Configure maXTouch CHG interrupts */
-
-      sam_gpioirq(GPIO_MXT_CHG);
-      (void)irq_attach(IRQ_MXT_CHG, mxt_interrupt, NULL);
-
-      /* Initialize and register the I2C touchscreen device */
-
-      ret = mxt_register(i2c, &g_mxtinfo.lower, CONFIG_SAMV71XULT_MXT_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device\n");
-          irq_detach(IRQ_MXT_CHG);
-          /* sam_i2cbus_uninitialize(i2c); */
-          return -ENODEV;
-        }
-
-      /* Now we are initialized */
-
-      initialized = true;
+  ret = mxt_register(i2c, &g_mxtinfo.lower, CONFIG_SAMV71XULT_MXT_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device\n");
+      irq_detach(IRQ_MXT_CHG);
+      /* sam_i2cbus_uninitialize(i2c); */
+      return -ENODEV;
     }
 
   return OK;
diff --git a/configs/viewtool-stm32f107/src/stm32_touchscreen.c b/configs/viewtool-stm32f107/src/stm32_touchscreen.c
index afac08aa2b..39130e7893 100644
--- a/configs/viewtool-stm32f107/src/stm32_touchscreen.c
+++ b/configs/viewtool-stm32f107/src/stm32_touchscreen.c
@@ -258,46 +258,32 @@ static bool tsc_pendown(FAR struct ads7843e_config_s *state)
 int stm32_tsc_setup(int minor)
 {
   FAR struct spi_dev_s *dev;
-  static bool initialized = false;
   int ret;
 
   iinfo("minor %d\n", minor);
   DEBUGASSERT(minor == 0);
 
-  /* Have we already initialized?  Since we never uninitialize we must prevent
-   * multiple initializations.  This is necessary, for example, when the
-   * touchscreen example is used as a built-in application in NSH and can be
-   * called numerous time.  It will attempt to initialize each time.
-   */
+  /* Configure the XPT2046 interrupt pin as an input */
 
-  if (!initialized)
+  (void)stm32_configgpio(GPIO_LCDTP_IRQ);
+
+  /* Get an instance of the SPI interface for the touchscreen chip select */
+
+  dev = stm32_spibus_initialize(TSC_DEVNUM);
+  if (!dev)
     {
-      /* Configure the XPT2046 interrupt pin as an input */
+      ierr("ERROR: Failed to initialize SPI%d\n", TSC_DEVNUM);
+      return -ENODEV;
+    }
 
-      (void)stm32_configgpio(GPIO_LCDTP_IRQ);
+  /* Initialize and register the SPI touchscreen device */
 
-      /* Get an instance of the SPI interface for the touchscreen chip select */
-
-      dev = stm32_spibus_initialize(TSC_DEVNUM);
-      if (!dev)
-        {
-          ierr("ERROR: Failed to initialize SPI%d\n", TSC_DEVNUM);
-          return -ENODEV;
-        }
-
-      /* Initialize and register the SPI touchscreen device */
-
-      ret = ads7843e_register(dev, &g_tscinfo.config, CONFIG_ADS7843E_DEVMINOR);
-      if (ret < 0)
-        {
-          ierr("ERROR: Failed to register touchscreen device\n");
-          /* up_spiuninitialize(dev); */
-          return -ENODEV;
-        }
-
-      /* Now we are initialized */
-
-      initialized = true;
+  ret = ads7843e_register(dev, &g_tscinfo.config, CONFIG_ADS7843E_DEVMINOR);
+  if (ret < 0)
+    {
+      ierr("ERROR: Failed to register touchscreen device\n");
+      /* up_spiuninitialize(dev); */
+      return -ENODEV;
     }
 
   return OK;