Commit b7298896 authored by Linus Walleij's avatar Linus Walleij Committed by Grant Likely

spi/pl022: map the buffers on the DMA engine

The struct device for the DMA engine is the apropriate one to use
when mapping/unmapping buffers. This is because the memory which
is addressable by DMA is determined by the DMA engine rather than
the device.
Reported-by: default avatarRussell King <linux@arm.linux.org.uk>
Signed-off-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 9d32af66
......@@ -782,9 +782,9 @@ static void *next_transfer(struct pl022 *pl022)
static void unmap_free_dma_scatter(struct pl022 *pl022)
{
/* Unmap and free the SG tables */
dma_unmap_sg(&pl022->adev->dev, pl022->sgt_tx.sgl,
dma_unmap_sg(pl022->dma_tx_channel->device->dev, pl022->sgt_tx.sgl,
pl022->sgt_tx.nents, DMA_TO_DEVICE);
dma_unmap_sg(&pl022->adev->dev, pl022->sgt_rx.sgl,
dma_unmap_sg(pl022->dma_rx_channel->device->dev, pl022->sgt_rx.sgl,
pl022->sgt_rx.nents, DMA_FROM_DEVICE);
sg_free_table(&pl022->sgt_rx);
sg_free_table(&pl022->sgt_tx);
......@@ -991,12 +991,12 @@ static int configure_dma(struct pl022 *pl022)
pl022->cur_transfer->len, &pl022->sgt_tx);
/* Map DMA buffers */
sglen = dma_map_sg(&pl022->adev->dev, pl022->sgt_rx.sgl,
sglen = dma_map_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
pl022->sgt_rx.nents, DMA_FROM_DEVICE);
if (!sglen)
goto err_rx_sgmap;
sglen = dma_map_sg(&pl022->adev->dev, pl022->sgt_tx.sgl,
sglen = dma_map_sg(txchan->device->dev, pl022->sgt_tx.sgl,
pl022->sgt_tx.nents, DMA_TO_DEVICE);
if (!sglen)
goto err_tx_sgmap;
......@@ -1040,10 +1040,10 @@ err_txdesc:
txchan->device->device_control(txchan, DMA_TERMINATE_ALL, 0);
err_rxdesc:
rxchan->device->device_control(rxchan, DMA_TERMINATE_ALL, 0);
dma_unmap_sg(&pl022->adev->dev, pl022->sgt_tx.sgl,
dma_unmap_sg(txchan->device->dev, pl022->sgt_tx.sgl,
pl022->sgt_tx.nents, DMA_TO_DEVICE);
err_tx_sgmap:
dma_unmap_sg(&pl022->adev->dev, pl022->sgt_rx.sgl,
dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
pl022->sgt_tx.nents, DMA_FROM_DEVICE);
err_rx_sgmap:
sg_free_table(&pl022->sgt_tx);
......
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