From feeef096a770d288c943c1759785bd9d4f9247b7 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Sun, 26 Mar 2017 20:45:56 +0200 Subject: [PATCH] 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/android-goldfish.c | 10 ++-------- drivers/mmc/host/atmel-mci.c | 30 +++++++++++------------------- drivers/mmc/host/davinci_mmc.c | 14 ++++---------- drivers/mmc/host/dw_mmc.c | 14 +++----------- drivers/mmc/host/jz4740_mmc.c | 9 ++------- drivers/mmc/host/mmc_spi.c | 5 +---- drivers/mmc/host/mmci.c | 20 ++++++++------------ drivers/mmc/host/moxart-mmc.c | 8 +++----- drivers/mmc/host/mtk-sd.c | 8 ++------ drivers/mmc/host/mvsdio.c | 11 +++++------ drivers/mmc/host/omap_hsmmc.c | 17 ++++------------- drivers/mmc/host/s3cmci.c | 4 ++-- drivers/mmc/host/sdhci.c | 9 +++------ drivers/mmc/host/sunxi-mmc.c | 14 +++----------- 14 files changed, 53 insertions(+), 120 deletions(-) diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c index 590a8a4..5b3e1c9 100644 --- a/drivers/mmc/host/android-goldfish.c +++ b/drivers/mmc/host/android-goldfish.c @@ -212,10 +212,7 @@ static void goldfish_mmc_xfer_done(struct goldfish_mmc_host *host, if (host->dma_in_use) { enum dma_data_direction dma_data_dir; - if (data->flags & MMC_DATA_WRITE) - dma_data_dir = DMA_TO_DEVICE; - else - dma_data_dir = DMA_FROM_DEVICE; + dma_data_dir = mmc_get_dma_dir(data); if (dma_data_dir == DMA_FROM_DEVICE) { /* @@ -390,10 +387,7 @@ static void goldfish_mmc_prepare_data(struct goldfish_mmc_host *host, */ sg_len = (data->blocks == 1) ? 1 : data->sg_len; - if (data->flags & MMC_DATA_WRITE) - dma_data_dir = DMA_TO_DEVICE; - else - dma_data_dir = DMA_FROM_DEVICE; + dma_data_dir = mmc_get_dma_dir(data); host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, sg_len, dma_data_dir); diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 0ad8ef5..388e4a3 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -954,8 +954,7 @@ static void atmci_pdc_cleanup(struct atmel_mci *host) if (data) dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len, - ((data->flags & MMC_DATA_WRITE) - ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); + mmc_get_dma_dir(data)); } /* @@ -993,8 +992,7 @@ static void atmci_dma_cleanup(struct atmel_mci *host) if (data) dma_unmap_sg(host->dma.chan->device->dev, data->sg, data->sg_len, - ((data->flags & MMC_DATA_WRITE) - ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); + mmc_get_dma_dir(data)); } /* @@ -1095,7 +1093,6 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) { u32 iflags, tmp; unsigned int sg_len; - enum dma_data_direction dir; int i; data->error = -EINPROGRESS; @@ -1107,13 +1104,10 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) /* Enable pdc mode */ atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCMODE); - if (data->flags & MMC_DATA_READ) { - dir = DMA_FROM_DEVICE; + if (data->flags & MMC_DATA_READ) iflags |= ATMCI_ENDRX | ATMCI_RXBUFF; - } else { - dir = DMA_TO_DEVICE; + else iflags |= ATMCI_ENDTX | ATMCI_TXBUFE | ATMCI_BLKE; - } /* Set BLKLEN */ tmp = atmci_readl(host, ATMCI_MR); @@ -1123,7 +1117,8 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) /* Configure PDC */ host->data_size = data->blocks * data->blksz; - sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, dir); + sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, + mmc_get_dma_dir(data)); if ((!host->caps.has_rwproof) && (host->data->flags & MMC_DATA_WRITE)) { @@ -1135,9 +1130,8 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data) } if (host->data_size) - atmci_pdc_set_both_buf(host, - ((dir == DMA_FROM_DEVICE) ? XFER_RECEIVE : XFER_TRANSMIT)); - + atmci_pdc_set_both_buf(host, data->flags & MMC_DATA_READ ? + XFER_RECEIVE : XFER_TRANSMIT); return iflags; } @@ -1148,7 +1142,6 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) struct dma_async_tx_descriptor *desc; struct scatterlist *sg; unsigned int i; - enum dma_data_direction direction; enum dma_transfer_direction slave_dirn; unsigned int sglen; u32 maxburst; @@ -1186,12 +1179,10 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) return -ENODEV; if (data->flags & MMC_DATA_READ) { - direction = DMA_FROM_DEVICE; host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM; maxburst = atmci_convert_chksize(host, host->dma_conf.src_maxburst); } else { - direction = DMA_TO_DEVICE; host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV; maxburst = atmci_convert_chksize(host, host->dma_conf.dst_maxburst); @@ -1202,7 +1193,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) ATMCI_DMAEN); sglen = dma_map_sg(chan->device->dev, data->sg, - data->sg_len, direction); + data->sg_len, mmc_get_dma_dir(data)); dmaengine_slave_config(chan, &host->dma_conf); desc = dmaengine_prep_slave_sg(chan, @@ -1217,7 +1208,8 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data) return iflags; unmap_exit: - dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, direction); + dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, + mmc_get_dma_dir(data)); return -ENOMEM; } diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 1e2600d..621ce47 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -478,18 +478,14 @@ static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host, int ret = 0; host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - ((data->flags & MMC_DATA_WRITE) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE)); + mmc_get_dma_dir(data)); /* no individual DMA segment should need a partial FIFO */ for (i = 0; i < host->sg_len; i++) { if (sg_dma_len(data->sg + i) & mask) { dma_unmap_sg(mmc_dev(host->mmc), - data->sg, data->sg_len, - (data->flags & MMC_DATA_WRITE) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); + data->sg, data->sg_len, + mmc_get_dma_dir(data)); return -1; } } @@ -802,9 +798,7 @@ mmc_davinci_xfer_done(struct mmc_davinci_host *host, struct mmc_data *data) davinci_abort_dma(host); dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - (data->flags & MMC_DATA_WRITE) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); + mmc_get_dma_dir(data)); host->do_dma = false; } host->data_dir = DAVINCI_MMC_DATADIR_NONE; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index d0f0f65..e45129f 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -432,14 +432,6 @@ static void dw_mci_stop_dma(struct dw_mci *host) set_bit(EVENT_XFER_COMPLETE, &host->pending_events); } -static int dw_mci_get_dma_dir(struct mmc_data *data) -{ - if (data->flags & MMC_DATA_WRITE) - return DMA_TO_DEVICE; - else - return DMA_FROM_DEVICE; -} - static void dw_mci_dma_cleanup(struct dw_mci *host) { struct mmc_data *data = host->data; @@ -448,7 +440,7 @@ static void dw_mci_dma_cleanup(struct dw_mci *host) dma_unmap_sg(host->dev, data->sg, data->sg_len, - dw_mci_get_dma_dir(data)); + mmc_get_dma_dir(data)); data->host_cookie = COOKIE_UNMAPPED; } } @@ -904,7 +896,7 @@ static int dw_mci_pre_dma_transfer(struct dw_mci *host, sg_len = dma_map_sg(host->dev, data->sg, data->sg_len, - dw_mci_get_dma_dir(data)); + mmc_get_dma_dir(data)); if (sg_len == 0) return -EINVAL; @@ -944,7 +936,7 @@ static void dw_mci_post_req(struct mmc_host *mmc, dma_unmap_sg(slot->host->dev, data->sg, data->sg_len, - dw_mci_get_dma_dir(data)); + mmc_get_dma_dir(data)); data->host_cookie = COOKIE_UNMAPPED; } diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 819ad32..57e254a 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -200,11 +200,6 @@ free_master_write: return -ENODEV; } -static inline int jz4740_mmc_get_dma_dir(struct mmc_data *data) -{ - return (data->flags & MMC_DATA_READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; -} - static inline struct dma_chan *jz4740_mmc_get_dma_chan(struct jz4740_mmc_host *host, struct mmc_data *data) { @@ -215,7 +210,7 @@ static void jz4740_mmc_dma_unmap(struct jz4740_mmc_host *host, struct mmc_data *data) { struct dma_chan *chan = jz4740_mmc_get_dma_chan(host, data); - enum dma_data_direction dir = jz4740_mmc_get_dma_dir(data); + enum dma_data_direction dir = mmc_get_dma_dir(data); dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir); } @@ -227,7 +222,7 @@ static int jz4740_mmc_prepare_dma_data(struct jz4740_mmc_host *host, struct dma_chan *chan) { struct jz4740_mmc_host_next *next_data = &host->next_data; - enum dma_data_direction dir = jz4740_mmc_get_dma_dir(data); + enum dma_data_direction dir = mmc_get_dma_dir(data); int sg_len; if (!next && data->host_cookie && diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index e77d79c..476e53d 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -888,10 +888,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, u32 clock_rate; unsigned long timeout; - if (data->flags & MMC_DATA_READ) - direction = DMA_FROM_DEVICE; - else - direction = DMA_TO_DEVICE; + direction = mmc_get_dma_dir(data); mmc_spi_setup_data_message(host, multiple, direction); t = &host->t; diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 0c6420b..d1ca2f4 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; } diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index bbad309..d4dc55a 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -256,7 +256,7 @@ static void moxart_dma_complete(void *param) static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host) { - u32 len, dir_data, dir_slave; + u32 len, dir_slave; long dma_time; struct dma_async_tx_descriptor *desc = NULL; struct dma_chan *dma_chan; @@ -266,16 +266,14 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host) if (data->flags & MMC_DATA_WRITE) { dma_chan = host->dma_chan_tx; - dir_data = DMA_TO_DEVICE; dir_slave = DMA_MEM_TO_DEV; } else { dma_chan = host->dma_chan_rx; - dir_data = DMA_FROM_DEVICE; dir_slave = DMA_DEV_TO_MEM; } len = dma_map_sg(dma_chan->device->dev, data->sg, - data->sg_len, dir_data); + data->sg_len, mmc_get_dma_dir(data)); if (len > 0) { desc = dmaengine_prep_slave_sg(dma_chan, data->sg, @@ -301,7 +299,7 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host) dma_unmap_sg(dma_chan->device->dev, data->sg, data->sg_len, - dir_data); + mmc_get_dma_dir(data)); } diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 0789d58..5c1e178 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -474,11 +474,9 @@ static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq) struct mmc_data *data = mrq->data; if (!(data->host_cookie & MSDC_PREPARE_FLAG)) { - bool read = (data->flags & MMC_DATA_READ) != 0; - data->host_cookie |= MSDC_PREPARE_FLAG; data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len, - read ? DMA_FROM_DEVICE : DMA_TO_DEVICE); + mmc_get_dma_dir(data)); } } @@ -490,10 +488,8 @@ static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq) return; if (data->host_cookie & MSDC_PREPARE_FLAG) { - bool read = (data->flags & MMC_DATA_READ) != 0; - dma_unmap_sg(host->dev, data->sg, data->sg_len, - read ? DMA_FROM_DEVICE : DMA_TO_DEVICE); + mmc_get_dma_dir(data)); data->host_cookie &= ~MSDC_PREPARE_FLAG; } } diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index 42296e5..58d74b8 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -125,10 +125,10 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data) return 1; } else { dma_addr_t phys_addr; - int dma_dir = (data->flags & MMC_DATA_READ) ? - DMA_FROM_DEVICE : DMA_TO_DEVICE; - host->sg_frags = dma_map_sg(mmc_dev(host->mmc), data->sg, - data->sg_len, dma_dir); + + host->sg_frags = dma_map_sg(mmc_dev(host->mmc), + data->sg, data->sg_len, + mmc_get_dma_dir(data)); phys_addr = sg_dma_address(data->sg); mvsd_write(MVSD_SYS_ADDR_LOW, (u32)phys_addr & 0xffff); mvsd_write(MVSD_SYS_ADDR_HI, (u32)phys_addr >> 16); @@ -294,8 +294,7 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data, host->pio_size = 0; } else { dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_frags, - (data->flags & MMC_DATA_READ) ? - DMA_FROM_DEVICE : DMA_TO_DEVICE); + mmc_get_dma_dir(data)); } if (err_status & MVSD_ERR_DATA_TIMEOUT) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index a58bd65..bf64cf2 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -935,15 +935,6 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd, OMAP_HSMMC_WRITE(host->base, CMD, cmdreg); } -static int -omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data) -{ - if (data->flags & MMC_DATA_WRITE) - return DMA_TO_DEVICE; - else - return DMA_FROM_DEVICE; -} - static struct dma_chan *omap_hsmmc_get_dma_chan(struct omap_hsmmc_host *host, struct mmc_data *data) { @@ -1055,7 +1046,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno) dmaengine_terminate_all(chan); dma_unmap_sg(chan->device->dev, host->data->sg, host->data->sg_len, - omap_hsmmc_get_dma_dir(host, host->data)); + mmc_get_dma_dir(host->data)); host->data->host_cookie = 0; } @@ -1350,7 +1341,7 @@ static void omap_hsmmc_dma_callback(void *param) if (!data->host_cookie) dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, - omap_hsmmc_get_dma_dir(host, data)); + mmc_get_dma_dir(data)); req_in_progress = host->req_in_progress; host->dma_ch = -1; @@ -1383,7 +1374,7 @@ static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host, /* Check if next job is already prepared */ if (next || data->host_cookie != host->next_data.cookie) { dma_len = dma_map_sg(chan->device->dev, data->sg, data->sg_len, - omap_hsmmc_get_dma_dir(host, data)); + mmc_get_dma_dir(data)); } else { dma_len = host->next_data.dma_len; @@ -1569,7 +1560,7 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq, struct dma_chan *c = omap_hsmmc_get_dma_chan(host, data); dma_unmap_sg(c->device->dev, data->sg, data->sg_len, - omap_hsmmc_get_dma_dir(host, data)); + mmc_get_dma_dir(data)); data->host_cookie = 0; } } diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 7a173f8..5c9037e 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -1104,7 +1104,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data) conf.direction = DMA_MEM_TO_DEV; dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + mmc_get_dma_dir(data)); dmaengine_slave_config(host->dma, &conf); desc = dmaengine_prep_slave_sg(host->dma, data->sg, data->sg_len, @@ -1121,7 +1121,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data) unmap_exit: dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + mmc_get_dma_dir(data)); return -ENOMEM; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 147df8b..a1a38e0 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -502,8 +502,7 @@ static int sdhci_pre_dma_transfer(struct sdhci_host *host, return data->sg_count; sg_count = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - data->flags & MMC_DATA_WRITE ? - DMA_TO_DEVICE : DMA_FROM_DEVICE); + mmc_get_dma_dir(data)); if (sg_count == 0) return -ENOSPC; @@ -2219,8 +2218,7 @@ static void sdhci_post_req(struct mmc_host *mmc, struct mmc_request *mrq, if (data->host_cookie != COOKIE_UNMAPPED) dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - data->flags & MMC_DATA_WRITE ? - DMA_TO_DEVICE : DMA_FROM_DEVICE); + mmc_get_dma_dir(data)); data->host_cookie = COOKIE_UNMAPPED; } @@ -2336,8 +2334,7 @@ static bool sdhci_request_done(struct sdhci_host *host) if (data && data->host_cookie == COOKIE_MAPPED) { dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - (data->flags & MMC_DATA_READ) ? - DMA_FROM_DEVICE : DMA_TO_DEVICE); + mmc_get_dma_dir(data)); data->host_cookie = COOKIE_UNMAPPED; } } diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 0391c62..d6fa221 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -385,14 +385,6 @@ static void sunxi_mmc_init_idma_des(struct sunxi_mmc_host *host, wmb(); } -static enum dma_data_direction sunxi_mmc_get_dma_dir(struct mmc_data *data) -{ - if (data->flags & MMC_DATA_WRITE) - return DMA_TO_DEVICE; - else - return DMA_FROM_DEVICE; -} - static int sunxi_mmc_map_dma(struct sunxi_mmc_host *host, struct mmc_data *data) { @@ -400,7 +392,7 @@ static int sunxi_mmc_map_dma(struct sunxi_mmc_host *host, struct scatterlist *sg; dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - sunxi_mmc_get_dma_dir(data)); + mmc_get_dma_dir(data)); if (dma_len == 0) { dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n"); return -ENOMEM; @@ -551,7 +543,7 @@ static irqreturn_t sunxi_mmc_finalize_request(struct sunxi_mmc_host *host) rval |= SDXC_FIFO_RESET; mmc_writel(host, REG_GCTRL, rval); dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - sunxi_mmc_get_dma_dir(data)); + mmc_get_dma_dir(data)); } mmc_writel(host, REG_RINTR, 0xffff); @@ -1022,7 +1014,7 @@ static void sunxi_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) if (data) dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, - sunxi_mmc_get_dma_dir(data)); + mmc_get_dma_dir(data)); dev_err(mmc_dev(mmc), "request already pending\n"); mrq->cmd->error = -EBUSY; -- 2.7.4