spi: spi-davinci: Fix direction in dma_map_single()

commit 89c66ee890af18500fa4598db300cc07c267f900 upstream.

Commit 048177ce3b (spi: spi-davinci:
convert to DMA engine API) introduced a regression: dma_map_single()
is called with direction DMA_FROM_DEVICE for rx and for tx.

Signed-off-by: Christian Eggers <ceggers@gmx.de>
Acked-by: Matt Porter <mporter@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Eggers 2013-07-29 20:54:09 +02:00 committed by Greg Kroah-Hartman
parent 8d60f48be7
commit f2281d42f6

View File

@ -610,7 +610,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
else
buf = (void *)t->tx_buf;
t->tx_dma = dma_map_single(&spi->dev, buf,
t->len, DMA_FROM_DEVICE);
t->len, DMA_TO_DEVICE);
if (!t->tx_dma) {
ret = -EFAULT;
goto err_tx_map;