diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 84c2861..518e595 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1190,6 +1190,7 @@
 static int __spi_async(struct spi_device *spi, struct spi_message *message)
 {
 	struct spi_master *master = spi->master;
+	struct spi_transfer *xfer;
 
 	/* Half-duplex links include original MicroWire, and ones with
 	 * only one data pin like SPI_3WIRE (switches direction) or where
@@ -1198,7 +1199,6 @@
 	 */
 	if ((master->flags & SPI_MASTER_HALF_DUPLEX)
 			|| (spi->mode & SPI_3WIRE)) {
-		struct spi_transfer *xfer;
 		unsigned flags = master->flags;
 
 		list_for_each_entry(xfer, &message->transfers, transfer_list) {
@@ -1211,6 +1211,15 @@
 		}
 	}
 
+	/**
+	 * Set transfer bits_per_word as spi device default if it is not
+	 * set for this transfer.
+	 */
+	list_for_each_entry(xfer, &message->transfers, transfer_list) {
+		if (!xfer->bits_per_word)
+			xfer->bits_per_word = spi->bits_per_word;
+	}
+
 	message->spi = spi;
 	message->status = -EINPROGRESS;
 	return master->transfer(spi, message);