mmc-host: move to dma_transfer_direction

fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves mmc drivers to use new enum

Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 56e9a4168264..3abd51a9fec1 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -372,6 +372,7 @@ 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;
 
         /* Check if next job is already prepared */
@@ -385,10 +386,12 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
         }
 
         if (data->flags & MMC_DATA_READ) {
-                conf.direction = DMA_FROM_DEVICE;
+                conf.direction = DMA_DEV_TO_MEM;
+                buffer_dirn = DMA_FROM_DEVICE;
                 chan = host->dma_rx_channel;
         } else {
-                conf.direction = DMA_TO_DEVICE;
+                conf.direction = DMA_MEM_TO_DEV;
+                buffer_dirn = DMA_TO_DEVICE;
                 chan = host->dma_tx_channel;
         }
 
@@ -401,7 +404,7 @@ 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, conf.direction);
+        nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
         if (nr_sg == 0)
                 return -EINVAL;
 
@@ -424,7 +427,7 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
  unmap_exit:
         if (!next)
                 dmaengine_terminate_all(chan);
-        dma_unmap_sg(device->dev, data->sg, data->sg_len, conf.direction);
+        dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
         return -ENOMEM;
 }