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mmc: sh_mmcif: unmap with the proper sglen
According to the DMA-API you shall unmap the sglists with the same sglist length as passed into the mapping function, not the returned value from the mapping function. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
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@ -195,11 +195,11 @@ static void mmcif_dma_complete(void *arg)
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if (host->data->flags & MMC_DATA_READ)
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dma_unmap_sg(host->chan_rx->device->dev,
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host->data->sg, host->dma_sglen,
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host->data->sg, host->data->sg_len,
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DMA_FROM_DEVICE);
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else
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dma_unmap_sg(host->chan_tx->device->dev,
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host->data->sg, host->dma_sglen,
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host->data->sg, host->data->sg_len,
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DMA_TO_DEVICE);
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complete(&host->dma_complete);
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