diff --git a/arch/arm/src/lpc2378/lpc23xx_spi.c b/arch/arm/src/lpc2378/lpc23xx_spi.c
index f88031bb814..d483d1c98e0 100644
--- a/arch/arm/src/lpc2378/lpc23xx_spi.c
+++ b/arch/arm/src/lpc2378/lpc23xx_spi.c
@@ -6,7 +6,7 @@
  *
  * Derived from  arch/arm/src/lpc17xx/lpc17_spi.c
  *
- *   Copyright (C) 2010, 2012, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010, 2012, 2014, 2016 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -529,7 +529,7 @@ static void spi_recvblock(FAR struct spi_dev_s *dev, FAR void *buffer, size_t nw
  ****************************************************************************/
 
 /****************************************************************************
- * Name: up_spiinitialize
+ * Name: lpc23_spibus_initialize
  *
  * Description:
  *   Initialize the selected SPI port
@@ -542,7 +542,7 @@ static void spi_recvblock(FAR struct spi_dev_s *dev, FAR void *buffer, size_t nw
  *
  ****************************************************************************/
 
-FAR struct spi_dev_s *up_spiinitialize(int port)
+FAR struct spi_dev_s *lpc23_spibus_initialize(int port)
 {
   FAR struct lpc23xx_spidev_s *priv = &g_spidev;
   irqstate_t flags;
diff --git a/arch/arm/src/lpc2378/lpc23xx_spi.h b/arch/arm/src/lpc2378/lpc23xx_spi.h
index d6a80b692b4..f701c9e1f98 100644
--- a/arch/arm/src/lpc2378/lpc23xx_spi.h
+++ b/arch/arm/src/lpc2378/lpc23xx_spi.h
@@ -6,7 +6,7 @@
  *
  * Derived arch/arm/src/lpc17xx/lpc17_spi.h
  *
- *   Copyright (C) 2010, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010, 2014, 2016 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -153,9 +153,30 @@
  * Public Functions
  ************************************************************************************/
 
-/* These functions must be provided by the board specific logic that has knowledge
+struct spi_dev_s;  /* Forward reference */
+enum spi_dev_e;    /* Forward reference */
+
+/****************************************************************************
+ * Name: lpc23_spibus_initialize
+ *
+ * Description:
+ *   Initialize the selected SPI port
+ *
+ * Input Parameter:
+ *   Port number (for hardware that has multiple SPI interfaces)
+ *
+ * Returned Value:
+ *   Valid SPI device structure reference on success; a NULL on failure
+ *
+ ****************************************************************************/
+
+FAR struct spi_dev_s *lpc23_spibus_initialize(int port);
+
+/****************************************************************************
+ * These functions must be provided by the board specific logic that has knowledge
  * the chip select and card detect GPIO configuration of the board.
- */
+ *
+ ****************************************************************************/
 
 void  lpc23xx_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected);
 uint8_t lpc23xx_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);