mmc: atmel-mci: map DMA sglist on the DMA engine
As established for the MMCI, it is proper to map the DMA buffers
on the DMA engine which is the one actually performing the DMA.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index ad2a7a0..045bdbb 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -578,7 +578,8 @@
struct mmc_data *data = host->data;
if (data)
- dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len,
+ dma_unmap_sg(host->dma.chan->device->dev,
+ data->sg, data->sg_len,
((data->flags & MMC_DATA_WRITE)
? DMA_TO_DEVICE : DMA_FROM_DEVICE));
}
@@ -684,7 +685,8 @@
else
direction = DMA_TO_DEVICE;
- sglen = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, direction);
+ sglen = dma_map_sg(chan->device->dev, data->sg,
+ data->sg_len, direction);
if (sglen != data->sg_len)
goto unmap_exit;
desc = chan->device->device_prep_slave_sg(chan,
@@ -699,7 +701,7 @@
return 0;
unmap_exit:
- dma_unmap_sg(&host->pdev->dev, data->sg, sglen, direction);
+ dma_unmap_sg(chan->device->dev, data->sg, sglen, direction);
return -ENOMEM;
}