diff --git a/arch/arm/src/lpc43xx/lpc43_ssp.c b/arch/arm/src/lpc43xx/lpc43_ssp.c
index fe97cbc760f..38c1d0bde2e 100644
--- a/arch/arm/src/lpc43xx/lpc43_ssp.c
+++ b/arch/arm/src/lpc43xx/lpc43_ssp.c
@@ -131,9 +131,12 @@ static uint32_t ssp_setfrequency(FAR struct spi_dev_s *dev, uint32_t frequency);
 static void     ssp_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode);
 static void     ssp_setbits(FAR struct spi_dev_s *dev, int nbits);
 static uint16_t ssp_send(FAR struct spi_dev_s *dev, uint16_t ch);
+static void     ssp_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
+                         FAR void *rxbuffer, size_t nwords);
+#ifndef CONFIG_SPI_EXCHANGE
 static void     ssp_sndblock(FAR struct spi_dev_s *dev, FAR const void *buffer, size_t nwords);
 static void     ssp_recvblock(FAR struct spi_dev_s *dev, FAR void *buffer, size_t nwords);
-
+#endif
 /* Initialization */
 
 #ifdef CONFIG_LPC43_SSP0
@@ -539,15 +542,15 @@ static void ssp_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
   FAR struct lpc43_sspdev_s *priv = (FAR struct lpc43_sspdev_s *)dev;
   union
   {
-    FAR uint8_t    *p8;
-    FAR uint16_t   *p16;
-    FAR const void *pv;
+    FAR uint8_t  *p8;
+    FAR uint16_t *p16;
+    FAR void     *pv;
   } tx;
   union
   {
-    FAR uint8_t    *p8;
-    FAR uint16_t   *p16;
-    FAR const void *pv;
+    FAR uint8_t  *p8;
+    FAR uint16_t *p16;
+    FAR void     *pv;
   } rx;
   uint32_t data;
   uint32_t datadummy = (priv->nbits > 8)?0xffff:0xff;
@@ -622,7 +625,7 @@ static void ssp_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
  *   None
  *
  ****************************************************************************/
-
+#ifndef CONFIG_SPI_EXCHANGE
 static void ssp_sndblock(FAR struct spi_dev_s *dev, FAR const void *buffer, size_t nwords)
 {
   return ssp_exchange(dev, buffer, NULL, nwords);
@@ -652,6 +655,9 @@ static void ssp_recvblock(FAR struct spi_dev_s *dev, FAR void *buffer, size_t nw
   return ssp_exchange(dev, NULL, buffer, nwords);
 }
 
+#endif
+
+#ifdef CONFIG_LPC43_SSP0
 /****************************************************************************
  * Name: lpc43_ssp0initialize
  *
@@ -666,7 +672,6 @@ static void ssp_recvblock(FAR struct spi_dev_s *dev, FAR void *buffer, size_t nw
  *
  ****************************************************************************/
 
-#ifdef CONFIG_LPC43_SSP0
 static inline FAR struct lpc43_sspdev_s *lpc43_ssp0initialize(void)
 {
   irqstate_t flags;
@@ -696,7 +701,6 @@ static inline FAR struct lpc43_sspdev_s *lpc43_ssp0initialize(void)
   /* Pin configuration */
 
   lpc43_pin_config(PINCONF_SSP0_SCK);
-  lpc43_pin_config(PINCONF_SSP0_SSEL);
   lpc43_pin_config(PINCONF_SSP0_MISO);
   lpc43_pin_config(PINCONF_SSP0_MOSI);
 
@@ -750,7 +754,6 @@ static inline FAR struct lpc43_sspdev_s *lpc43_ssp1initialize(void)
   /* Pins configuration */
 
   lpc43_pin_config(PINCONF_SSP1_SCK);
-  lpc43_pin_config(PINCONF_SSP1_SSEL);
   lpc43_pin_config(PINCONF_SSP1_MISO);
   lpc43_pin_config(PINCONF_SSP1_MOSI);