diff --git a/arch/arm/src/lpc17xx/lpc17_emacram.h b/arch/arm/src/lpc17xx/lpc17_emacram.h
index 5e8df85b318..0a47636e20c 100644
--- a/arch/arm/src/lpc17xx/lpc17_emacram.h
+++ b/arch/arm/src/lpc17xx/lpc17_emacram.h
@@ -75,13 +75,13 @@
 /* Number of Tx descriptors */
 
 #ifndef CONFIG_NET_NTXDESC
-#  define CONFIG_NET_NTXDESC 18
+#  define CONFIG_NET_NTXDESC 13
 #endif
 
 /* Number of Rx descriptors */
 
 #ifndef CONFIG_NET_NRXDESC
-#  define CONFIG_NET_NRXDESC 18
+#  define CONFIG_NET_NRXDESC 13
 #endif
 
 /* Size of the region at the beginning of AHB SRAM 0 set set aside for the EMAC.
diff --git a/arch/arm/src/lpc17xx/lpc17_spi.h b/arch/arm/src/lpc17xx/lpc17_spi.h
index 8345f46deb9..2f0c0fe8af6 100644
--- a/arch/arm/src/lpc17xx/lpc17_spi.h
+++ b/arch/arm/src/lpc17xx/lpc17_spi.h
@@ -157,8 +157,8 @@ void spi_flush(FAR struct spi_dev_s *dev);
  ****************************************************************************/
 
 #ifdef CONFIG_SPI_CALLBACK
-nt lpc17_spiregister(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
-                     FAR void *arg);
+int lpc17_spiregister(FAR struct spi_dev_s *dev, spi_mediachange_t callback,
+                      FAR void *arg);
 #endif
 
 #if defined(__cplusplus)
diff --git a/configs b/configs
index aa907bc50d5..7e1508fa58d 160000
--- a/configs
+++ b/configs
@@ -1 +1 @@
-Subproject commit aa907bc50d567fc546b53e4deeeaf751a5a65f79
+Subproject commit 7e1508fa58d6e44144f58f141ef7a7916b9ce73c