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path: root/drivers/mmc/host/mxcmmc.c
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Diffstat (limited to 'drivers/mmc/host/mxcmmc.c')
-rw-r--r--drivers/mmc/host/mxcmmc.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 7088b40f957..4184b7946bb 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -218,6 +218,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
unsigned int blksz = data->blksz;
unsigned int datasize = nob * blksz;
struct scatterlist *sg;
+ enum dma_transfer_direction slave_dirn;
int i, nents;
if (data->flags & MMC_DATA_STREAM)
@@ -240,10 +241,13 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
}
}
- if (data->flags & MMC_DATA_READ)
+ if (data->flags & MMC_DATA_READ) {
host->dma_dir = DMA_FROM_DEVICE;
- else
+ slave_dirn = DMA_DEV_TO_MEM;
+ } else {
host->dma_dir = DMA_TO_DEVICE;
+ slave_dirn = DMA_MEM_TO_DEV;
+ }
nents = dma_map_sg(host->dma->device->dev, data->sg,
data->sg_len, host->dma_dir);
@@ -251,7 +255,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
return -EINVAL;
host->desc = host->dma->device->device_prep_slave_sg(host->dma,
- data->sg, data->sg_len, host->dma_dir,
+ data->sg, data->sg_len, slave_dirn,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!host->desc) {