diff --git a/drivers/spi/spi_context.h b/drivers/spi/spi_context.h
index d774019efd2..be2ea268c0b 100644
--- a/drivers/spi/spi_context.h
+++ b/drivers/spi/spi_context.h
@@ -150,7 +150,7 @@ static inline void spi_context_buffers_setup(struct spi_context *ctx,
 					     size_t tx_count,
 					     struct spi_buf *rx_bufs,
 					     size_t rx_count,
-					     uint8_t dfs)
+					     u8_t dfs)
 {
 	SYS_LOG_DBG("tx_bufs %p (%zu) - rx_bufs %p (%zu) - %u",
 		    tx_bufs, tx_count, rx_bufs, rx_count, dfs);
@@ -184,7 +184,7 @@ static inline void spi_context_buffers_setup(struct spi_context *ctx,
 }
 
 static ALWAYS_INLINE
-void spi_context_update_tx(struct spi_context *ctx, uint8_t dfs)
+void spi_context_update_tx(struct spi_context *ctx, u8_t dfs)
 {
 	if (!ctx->tx_len) {
 		return;
@@ -215,7 +215,7 @@ bool spi_context_tx_on(struct spi_context *ctx)
 }
 
 static ALWAYS_INLINE
-void spi_context_update_rx(struct spi_context *ctx, uint8_t dfs)
+void spi_context_update_rx(struct spi_context *ctx, u8_t dfs)
 {
 	if (!ctx->rx_len) {
 		return;
diff --git a/drivers/spi/spi_dw.c b/drivers/spi/spi_dw.c
index 81d794aeb65..d8d5c6c2168 100644
--- a/drivers/spi/spi_dw.c
+++ b/drivers/spi/spi_dw.c
@@ -44,7 +44,7 @@
 #include "spi_dw.h"
 #include "spi_context.h"
 
-static void completed(struct device *dev, uint8_t error)
+static void completed(struct device *dev, u8_t error)
 {
 	const struct spi_dw_config *info = dev->config->config_info;
 	struct spi_dw_data *spi = dev->driver_data;