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authorLinus Walleij <linus.walleij@linaro.org>2011-02-10 16:10:37 +0100
committerChris Ball <cjb@laptop.org>2011-03-15 13:49:18 -0400
commit2dc7ddc1e7e68ee7793dda0ca0d659367d035e3d (patch)
treee599e538c64e8ac416ff6250355acba60c405fcb /drivers/mmc
parenta5ece7d29d09714a690f83f6f0ce395f4374021e (diff)
mmc: tmio_mmc: map DMA buffers on the DMA engine device
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: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/tmio_mmc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index a33f71841dec..0d36fa9c629e 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -829,7 +829,7 @@ 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,
@@ -910,7 +910,7 @@ 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,
@@ -982,10 +982,12 @@ 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);