diff --git a/drivers/spi/spi_s3c64xx.c b/drivers/spi/spi_s3c64xx.c
index ef9dacabe062..c3038da2648a 100644
--- a/drivers/spi/spi_s3c64xx.c
+++ b/drivers/spi/spi_s3c64xx.c
@@ -200,6 +200,9 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd)
 		val = readl(regs + S3C64XX_SPI_STATUS);
 	} while (TX_FIFO_LVL(val, sci) && loops--);
 
+	if (loops == 0)
+		dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n");
+
 	/* Flush RxFIFO*/
 	loops = msecs_to_loops(1);
 	do {
@@ -210,6 +213,9 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd)
 			break;
 	} while (loops--);
 
+	if (loops == 0)
+		dev_warn(&sdd->pdev->dev, "Timed out flushing RX FIFO\n");
+
 	val = readl(regs + S3C64XX_SPI_CH_CFG);
 	val &= ~S3C64XX_SPI_CH_SW_RST;
 	writel(val, regs + S3C64XX_SPI_CH_CFG);