diff options
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index a7ee5027146..fcfe1eb5acc 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -823,6 +823,7 @@ 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; u32 iflags; @@ -860,16 +861,19 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) if (host->caps.has_dma) atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(3) | ATMCI_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; |