diff --git a/arch/arm/src/samv7/sam_spi.c b/arch/arm/src/samv7/sam_spi.c
index cec21f8cab..b8ea53fba1 100644
--- a/arch/arm/src/samv7/sam_spi.c
+++ b/arch/arm/src/samv7/sam_spi.c
@@ -41,6 +41,7 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <inttypes.h>
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -1024,7 +1025,7 @@ static uint32_t spi_setfrequency(struct spi_dev_s *dev, uint32_t frequency)
   uint32_t regval;
   unsigned int offset;
 
-  spiinfo("cs=%d frequency=%d\n", spics->cs, frequency);
+  spiinfo("cs=%d frequency=%" PRId32 "\n", spics->cs, frequency);
 
   /* Check if the requested frequency is the same as the frequency
    * selection
@@ -1097,14 +1098,15 @@ static uint32_t spi_setfrequency(struct spi_dev_s *dev, uint32_t frequency)
   /* Calculate the new actual frequency */
 
   actual = SAM_SPI_CLOCK / scbr;
-  spiinfo("csr[offset=%02x]=%08x actual=%d\n", offset, regval, actual);
+  spiinfo("csr[offset=%02x]=%08" PRIx32 " actual=%" PRId32 "\n",
+          offset, regval, actual);
 
   /* Save the frequency setting */
 
   spics->frequency = frequency;
   spics->actual    = actual;
 
-  spiinfo("Frequency %d->%d\n", frequency, actual);
+  spiinfo("Frequency %" PRId32 "->%" PRId32 "\n", frequency, actual);
   return actual;
 }
 
@@ -1362,7 +1364,7 @@ static void spi_setmode(struct spi_dev_s *dev, enum spi_mode_e mode)
         }
 
       spi_putreg(spi, regval, offset);
-      spiinfo("csr[offset=%02x]=%08x\n", offset, regval);
+      spiinfo("csr[offset=%02x]=%08" PRIx32 "\n", offset, regval);
 
       /* Save the mode so that subsequent re-configurations will be faster */
 
@@ -1407,7 +1409,7 @@ static void spi_setbits(struct spi_dev_s *dev, int nbits)
       regval |= SPI_CSR_BITS(nbits);
       spi_putreg(spi, regval, offset);
 
-      spiinfo("csr[offset=%02x]=%08x\n", offset, regval);
+      spiinfo("csr[offset=%02x]=%08" PRIx32 "\n", offset, regval);
 
       /* Save the selection so that subsequent re-configurations will be
        * faster.
@@ -2190,7 +2192,7 @@ FAR struct spi_dev_s *sam_spibus_initialize(int port)
   spi_putreg(spi, regval, offset);
 
   spics->nbits = 8;
-  spiinfo("csr[offset=%02x]=%08x\n", offset, regval);
+  spiinfo("csr[offset=%02x]=%08" PRIx32 "\n", offset, regval);
 
   return &spics->spidev;
 }