diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2017-03-26 20:45:56 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 21:41:52 +0200 |
| commit | feeef096a770d288c943c1759785bd9d4f9247b7 (patch) | |
| tree | b399ffbec66a47e5f0a11e8e2fba90f63b286edc /drivers/mmc/host/mmci.c | |
| parent | 6335d68349a85382cc55a5260d5bfda85f8e24a8 (diff) | |
| download | linux-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.c | 20 |
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; } |