On 04/18/2013 03:31 PM, Christian Eggers wrote:
Commit 048177ce3b3962852fd34a7e04938959271c7e70 (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 <cegg...@gmx.de>

Cc: sta...@vger.kernel.org

Cc: sta...@vger.kernel.org # v3.7.x+
will get this applied to the correct stable kernels.

I'm wearing the brown bag for this one so other than fixing the Cc: it looks good.

Acked-by: Matt Porter <mpor...@ti.com>

--- drivers/spi/spi-davinci.c.orig 2013-04-18 20:54:02.728719412 +0200

+++ drivers/spi/spi-davinci.c 2013-04-18 20:54:51.900623956 +0200

@@ -608,7 +608,7 @@ static int davinci_spi_bufs(struct spi_d

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;


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