This is a note to let you know that I've just added the patch titled
spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word
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-atmel-fix-dma-setup-for-transfers-with-more-than-8-bits-per-word.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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 06515f83908d038d9e12ffa3dcca27a1b67f2de0 Mon Sep 17 00:00:00 2001
From: David Mosberger-Tang <davidm@xxxxxxxxxx>
Date: Tue, 20 Oct 2015 14:26:47 +0200
Subject: spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word
From: David Mosberger-Tang <davidm@xxxxxxxxxx>
commit 06515f83908d038d9e12ffa3dcca27a1b67f2de0 upstream.
The DMA-slave configuration depends on the whether <= 8 or > 8 bits
are transferred per word, so we need to call
atmel_spi_dma_slave_config() with the correct value.
Signed-off-by: David Mosberger <davidm@xxxxxxxxxx>
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-atmel.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -594,7 +594,8 @@ static int atmel_spi_next_xfer_dma_submi
*plen = len;
- if (atmel_spi_dma_slave_config(as, &slave_config, 8))
+ if (atmel_spi_dma_slave_config(as, &slave_config,
+ xfer->bits_per_word))
goto err_exit;
/* Send both scatterlists */
Patches currently in stable-queue which might be from davidm@xxxxxxxxxx are
queue-3.10/spi-atmel-fix-dma-setup-for-transfers-with-more-than-8-bits-per-word.patch
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