staging: mt7621-mmc: Replace dma dir with mmc_get_dma_dir
Currently the dma direction is manually determined by the read status, there is a more portable function for it, mmc_get_dma_dir, use it. Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de> Reviewed-by: NeilBrown <neil@brown.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1360,7 +1360,7 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
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u32 base = host->base;
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//u32 intsts = 0;
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unsigned int left = 0;
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int dma = 0, read = 1, dir = DMA_FROM_DEVICE, send_type = 0;
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int dma = 0, read = 1, send_type = 0;
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#define SND_DAT 0
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#define SND_CMD 1
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@ -1422,9 +1422,9 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
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if (msdc_command_start(host, cmd, 1, CMD_TIMEOUT) != 0)
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goto done;
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dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
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data->sg_count = dma_map_sg(mmc_dev(mmc), data->sg,
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data->sg_len, dir);
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data->sg_len,
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mmc_get_dma_dir(data));
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msdc_dma_setup(host, &host->dma, data->sg,
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data->sg_count);
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@ -1505,7 +1505,8 @@ done:
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host->dma_xfer = 0;
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if (dma != 0) {
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msdc_dma_off();
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dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dir);
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dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
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mmc_get_dma_dir(data));
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}
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host->blksz = 0;
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