diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 590be85c8f3d78d114bdf34819ae688f16c6aa7b..3f3119d760db71fc653b75e77615ce8069b7c300 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -116,6 +116,12 @@ static int s3c24xx_spi_setupxfer(struct spi_device *spi,
 	bpw = t ? t->bits_per_word : spi->bits_per_word;
 	hz  = t ? t->speed_hz : spi->max_speed_hz;
 
+	if (!bpw)
+		bpw = 8;
+
+	if (!hz)
+		hz = spi->max_speed_hz;
+
 	if (bpw != 8) {
 		dev_err(&spi->dev, "invalid bits-per-word (%d)\n", bpw);
 		return -EINVAL;