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

resubmit Christian Eggers 1 participant 1 message Jun 6, 2013 SPI

Share & tools

Christian Eggers

author

2013-06-06 12:00 UTC #0 lore raw

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 <[email protected]>

Cc [email protected] # v3.7.x+

Acked-by Matt Porter <[email protected]>

---

spi/spi-davinci.c renamed from spi/spi-davinci.c.orig +1 -1

@@ -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;