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authorVinod Koul <vinod.koul@linux.intel.com>2011-10-14 10:45:11 +0530
committerVinod Koul <vinod.koul@linux.intel.com>2011-10-31 09:40:25 +0530
commit05f5799cbe5c9e2c03f604b3de5783cf4d726227 (patch)
treec70394eb8154fb5e717168af98889631078789e7 /drivers/mmc/host/mxcmmc.c
parent1d0c81e876fe04295ef5df387ba057bf9cfae3d8 (diff)
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>
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 14aa213b00da..8a816639b46c 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -217,6 +217,7 @@ 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)
@@ -239,10 +240,13 @@ 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);
@@ -250,7 +254,7 @@ 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) {