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@xxxxxxxxxx>
---
drivers/mmc/host/tmio_mmc.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index e3c6ef2..c82d8e2 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -825,7 +825,7 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
sg = host->sg_ptr;
}
- ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, DMA_FROM_DEVICE);
+ ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_FROM_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
@@ -906,7 +906,7 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
sg = host->sg_ptr;
}
- ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, DMA_TO_DEVICE);
+ ret = dma_map_sg(chan->device->dev, sg, host->sg_len, DMA_TO_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
@@ -978,10 +978,12 @@ static void tmio_tasklet_fn(unsigned long arg)
goto out;
if (host->data->flags & MMC_DATA_READ)
- dma_unmap_sg(&host->pdev->dev, host->sg_ptr, host->dma_sglen,
+ dma_unmap_sg(host->chan_rx->device->dev,
+ host->sg_ptr, host->dma_sglen,
DMA_FROM_DEVICE);
else
- dma_unmap_sg(&host->pdev->dev, host->sg_ptr, host->dma_sglen,
+ dma_unmap_sg(host->chan_tx->device->dev,
+ host->sg_ptr, host->dma_sglen,
DMA_TO_DEVICE);
tmio_mmc_do_data_irq(host);
--
1.7.4
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
