diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 6012c88cb2ec..fbd500f26765 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -279,8 +279,8 @@ static void s3c64xx_spi_dmacb(void *data)
 	spin_unlock_irqrestore(&sdd->lock, flags);
 }
 
-static int prepare_dma(struct s3c64xx_spi_dma_data *dma,
-			struct sg_table *sgt)
+static int s3c64xx_prepare_dma(struct s3c64xx_spi_dma_data *dma,
+			       struct sg_table *sgt)
 {
 	struct s3c64xx_spi_driver_data *sdd;
 	struct dma_slave_config config;
@@ -445,7 +445,7 @@ static int s3c64xx_enable_datapath(struct s3c64xx_spi_driver_data *sdd,
 		chcfg |= S3C64XX_SPI_CH_TXCH_ON;
 		if (dma_mode) {
 			modecfg |= S3C64XX_SPI_MODE_TXDMA_ON;
-			ret = prepare_dma(&sdd->tx_dma, &xfer->tx_sg);
+			ret = s3c64xx_prepare_dma(&sdd->tx_dma, &xfer->tx_sg);
 		} else {
 			switch (sdd->cur_bpw) {
 			case 32:
@@ -477,7 +477,7 @@ static int s3c64xx_enable_datapath(struct s3c64xx_spi_driver_data *sdd,
 			writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff)
 					| S3C64XX_SPI_PACKET_CNT_EN,
 					regs + S3C64XX_SPI_PACKET_CNT);
-			ret = prepare_dma(&sdd->rx_dma, &xfer->rx_sg);
+			ret = s3c64xx_prepare_dma(&sdd->rx_dma, &xfer->rx_sg);
 		}
 	}