diff --git a/drivers/net/netdev_upperhalf.c b/drivers/net/netdev_upperhalf.c
index 31fb1ef072..2425d8a83a 100644
--- a/drivers/net/netdev_upperhalf.c
+++ b/drivers/net/netdev_upperhalf.c
@@ -102,9 +102,9 @@ struct netdev_upperhalf_s
 static bool quota_is_valid(FAR struct netdev_lowerhalf_s *lower)
 {
   int total = 0;
-  int type;
+  enum netpkt_type_e type;
 
-  for (type = 0; type < NETPKT_TYPENUM; type++)
+  for (type = NETPKT_TX; type < NETPKT_TYPENUM; type++)
     {
       total += netdev_lower_quota_load(lower, type);
     }
diff --git a/drivers/spi/spi_transfer.c b/drivers/spi/spi_transfer.c
index 4b93d3148c..a56b6de9ce 100644
--- a/drivers/spi/spi_transfer.c
+++ b/drivers/spi/spi_transfer.c
@@ -80,7 +80,7 @@ int spi_transfer(FAR struct spi_dev_s *spi, FAR struct spi_sequence_s *seq)
     }
 #endif
 
-  SPI_SETMODE(spi, seq->mode);
+  SPI_SETMODE(spi, (enum spi_mode_e)seq->mode);
   SPI_SETBITS(spi, seq->nbits);
 
   /* Select the SPI device in preparation for the transfer.