From feeef096a770d288c943c1759785bd9d4f9247b7 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Sun, 26 Mar 2017 20:45:56 +0200 Subject: mmc: use new core function mmc_get_dma_dir Use new core function mmc_get_dma_dir(). Signed-off-by: Heiner Kallweit Signed-off-by: Ulf Hansson --- drivers/mmc/host/mmci.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) (limited to 'drivers/mmc/host/mmci.c') 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; } -- cgit v1.2.3