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/sh_mmcif.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 12884c2..8e4aba9 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -194,10 +194,12 @@ static void mmcif_dma_complete(void *arg)
return;
if (host->data->flags & MMC_DATA_READ)
- dma_unmap_sg(&host->pd->dev, host->data->sg, host->dma_sglen,
+ dma_unmap_sg(host->chan_rx->device->dev,
+ host->data->sg, host->dma_sglen,
DMA_FROM_DEVICE);
else
- dma_unmap_sg(&host->pd->dev, host->data->sg, host->dma_sglen,
+ dma_unmap_sg(host->chan_tx->device->dev,
+ host->data->sg, host->dma_sglen,
DMA_TO_DEVICE);
complete(&host->dma_complete);
@@ -211,7 +213,8 @@ static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host)
dma_cookie_t cookie = -EINVAL;
int ret;
- ret = dma_map_sg(&host->pd->dev, sg, host->data->sg_len, DMA_FROM_DEVICE);
+ ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len,
+ DMA_FROM_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
@@ -263,7 +266,8 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
dma_cookie_t cookie = -EINVAL;
int ret;
- ret = dma_map_sg(&host->pd->dev, sg, host->data->sg_len, DMA_TO_DEVICE);
+ ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len,
+ DMA_TO_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
--
1.7.4
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