1 files changed, 8 insertions, 12 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0c6420bb2f00..d1ca2f489054 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -516,17 +516,14 @@ static void mmci_dma_data_error(struct mmci_host *host)
 static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
 {
 	struct dma_chan *chan;
-	enum dma_data_direction dir;
 
-	if (data->flags & MMC_DATA_READ) {
-		dir = DMA_FROM_DEVICE;
+	if (data->flags & MMC_DATA_READ)
 		chan = host->dma_rx_channel;
-	} else {
-		dir = DMA_TO_DEVICE;
+	else
 		chan = host->dma_tx_channel;
-	}
 
-	dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
+	dma_unmap_sg(chan->device->dev, data->sg, data->sg_len,
+		     mmc_get_dma_dir(data));
 }
 
 static void mmci_dma_finalize(struct mmci_host *host, struct mmc_data *data)
@@ -589,17 +586,14 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	struct dma_chan *chan;
 	struct dma_device *device;
 	struct dma_async_tx_descriptor *desc;
-	enum dma_data_direction buffer_dirn;
 	int nr_sg;
 	unsigned long flags = DMA_CTRL_ACK;
 
 	if (data->flags & MMC_DATA_READ) {
 		conf.direction = DMA_DEV_TO_MEM;
-		buffer_dirn = DMA_FROM_DEVICE;
 		chan = host->dma_rx_channel;
 	} else {
 		conf.direction = DMA_MEM_TO_DEV;
-		buffer_dirn = DMA_TO_DEVICE;
 		chan = host->dma_tx_channel;
 	}
 
@@ -612,7 +606,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 		return -EINVAL;
 
 	device = chan->device;
-	nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+	nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len,
+			   mmc_get_dma_dir(data));
 	if (nr_sg == 0)
 		return -EINVAL;
 
@@ -631,7 +626,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 	return 0;
 
  unmap_exit:
-	dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+	dma_unmap_sg(device->dev, data->sg, data->sg_len,
+		     mmc_get_dma_dir(data));
 	return -ENOMEM;
 }