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, 6 insertions, 1 deletions

diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index d513d47364d0..996b9a91d6f4 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -153,6 +153,7 @@ struct mxs_mmc_host {
         struct dma_chan                 *dmach;
         struct mxs_dma_data             dma_data;
         unsigned int                    dma_dir;
+        enum dma_transfer_direction     slave_dirn;
         u32                             ssp_pio_words[SSP_PIO_NUM];
 
         unsigned int                    version;
@@ -323,7 +324,7 @@ static struct dma_async_tx_descriptor *mxs_mmc_prep_dma(
         }
 
         desc = host->dmach->device->device_prep_slave_sg(host->dmach,
-                                sgl, sg_len, host->dma_dir, append);
+                                sgl, sg_len, host->slave_dirn, append);
         if (desc) {
                 desc->callback = mxs_mmc_dma_irq_callback;
                 desc->callback_param = host;
@@ -432,6 +433,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
         int i;
 
         unsigned short dma_data_dir, timeout;
+        enum dma_transfer_direction slave_dirn;
         unsigned int data_size = 0, log2_blksz;
         unsigned int blocks = data->blocks;
 
@@ -447,9 +449,11 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
 
         if (data->flags & MMC_DATA_WRITE) {
                 dma_data_dir = DMA_TO_DEVICE;
+                slave_dirn = DMA_MEM_TO_DEV;
                 read = 0;
         } else {
                 dma_data_dir = DMA_FROM_DEVICE;
+                slave_dirn = DMA_DEV_TO_MEM;
                 read = BM_SSP_CTRL0_READ;
         }
 
@@ -517,6 +521,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
         WARN_ON(host->data != NULL);
         host->data = data;
         host->dma_dir = dma_data_dir;
+        host->slave_dirn = slave_dirn;
         desc = mxs_mmc_prep_dma(host, 1);
         if (!desc)
                 goto out;