This is a note to let you know that I've just added the patch titled
spi: spi-davinci: Fix direction in dma_map_single()
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-spi-davinci-fix-direction-in-dma_map_single.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 89c66ee890af18500fa4598db300cc07c267f900 Mon Sep 17 00:00:00 2001
From: Christian Eggers <[email protected]>
Date: Mon, 29 Jul 2013 20:54:09 +0200
Subject: spi: spi-davinci: Fix direction in dma_map_single()
From: Christian Eggers <[email protected]>
commit 89c66ee890af18500fa4598db300cc07c267f900 upstream.
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]>
Acked-by: Matt Porter <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/spi/spi-davinci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -610,7 +610,7 @@ 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;
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/spi-spi-davinci-fix-direction-in-dma_map_single.patch
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