diff options
| author | Linus Walleij <linus.walleij@stericsson.com> | 2010-12-22 23:13:07 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-23 21:06:43 -0700 |
| commit | b729889686afb7d4366e07fe9c2f7a2737166462 (patch) | |
| tree | 8063ce64045ee4f8834e3e52155d81ef843711db /drivers/spi | |
| parent | 9d32af66aa3a0e28d95fc607e208795ef6cc993a (diff) | |
| download | linux-b729889686afb7d4366e07fe9c2f7a2737166462.tar.bz2 | |
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: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/amba-pl022.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c index 2e506319b60f..e29751af5c7b 100644 --- a/drivers/spi/amba-pl022.c +++ b/drivers/spi/amba-pl022.c @@ -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); |