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authorHeiner Kallweit <hkallweit1@gmail.com>2017-03-26 20:45:56 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2017-04-24 21:41:52 +0200
commitfeeef096a770d288c943c1759785bd9d4f9247b7 (patch)
treeb399ffbec66a47e5f0a11e8e2fba90f63b286edc /drivers/mmc/host/mmci.c
parent6335d68349a85382cc55a5260d5bfda85f8e24a8 (diff)
downloadlinux-feeef096a770d288c943c1759785bd9d4f9247b7.tar.bz2
mmc: use new core function mmc_get_dma_dir
Use new core function mmc_get_dma_dir(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/mmci.c')
-rw-r--r--drivers/mmc/host/mmci.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0c6420bb2f00..d1ca2f489054 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -516,17 +516,14 @@ static void mmci_dma_data_error(struct mmci_host *host)
static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
{
struct dma_chan *chan;
- enum dma_data_direction dir;
- if (data->flags & MMC_DATA_READ) {
- dir = DMA_FROM_DEVICE;
+ if (data->flags & MMC_DATA_READ)
chan = host->dma_rx_channel;
- } else {
- dir = DMA_TO_DEVICE;
+ else
chan = host->dma_tx_channel;
- }
- dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
+ dma_unmap_sg(chan->device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
}
static void mmci_dma_finalize(struct mmci_host *host, struct mmc_data *data)
@@ -589,17 +586,14 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
struct dma_chan *chan;
struct dma_device *device;
struct dma_async_tx_descriptor *desc;
- enum dma_data_direction buffer_dirn;
int nr_sg;
unsigned long flags = DMA_CTRL_ACK;
if (data->flags & MMC_DATA_READ) {
conf.direction = DMA_DEV_TO_MEM;
- buffer_dirn = DMA_FROM_DEVICE;
chan = host->dma_rx_channel;
} else {
conf.direction = DMA_MEM_TO_DEV;
- buffer_dirn = DMA_TO_DEVICE;
chan = host->dma_tx_channel;
}
@@ -612,7 +606,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
return -EINVAL;
device = chan->device;
- nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+ nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
if (nr_sg == 0)
return -EINVAL;
@@ -631,7 +626,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
return 0;
unmap_exit:
- dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+ dma_unmap_sg(device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
return -ENOMEM;
}