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, 3 deletions

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index fa8cae1d7005..ac87803ab70e 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -653,6 +653,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
         struct scatterlist              *sg;
         unsigned int                    i;
         enum dma_data_direction         direction;
+        enum dma_transfer_direction     slave_dirn;
         unsigned int                    sglen;
 
         /*
@@ -681,16 +682,19 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
         if (atmci_is_mci2())
                 mci_writel(host, DMA, MCI_DMA_CHKSIZE(3) | MCI_DMAEN);
 
-        if (data->flags & MMC_DATA_READ)
+        if (data->flags & MMC_DATA_READ) {
                 direction = DMA_FROM_DEVICE;
-        else
+                slave_dirn = DMA_DEV_TO_MEM;
+        } else {
                 direction = DMA_TO_DEVICE;
+                slave_dirn = DMA_MEM_TO_DEV;
+        }
 
         sglen = dma_map_sg(chan->device->dev, data->sg,
                            data->sg_len, direction);
 
         desc = chan->device->device_prep_slave_sg(chan,
-                        data->sg, sglen, direction,
+                        data->sg, sglen, slave_dirn,
                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc)
                 goto unmap_exit;