diff options
| author | David Mosberger-Tang <davidm@egauge.net> | 2015-10-20 08:26:47 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-22 12:15:16 -0400 |
| commit | 06515f83908d038d9e12ffa3dcca27a1b67f2de0 (patch) | |
| tree | f77b1e2792fb9de4d6e1d540546395604c8929ea | |
| parent | 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff) | |
spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word
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@egauge.net>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/spi/spi-atmel.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index bf9ed380bb1c..41d95a662be7 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c | |||
| @@ -773,7 +773,8 @@ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master, | |||
| 773 | 773 | ||
| 774 | *plen = len; | 774 | *plen = len; |
| 775 | 775 | ||
| 776 | if (atmel_spi_dma_slave_config(as, &slave_config, 8)) | 776 | if (atmel_spi_dma_slave_config(as, &slave_config, |
| 777 | xfer->bits_per_word)) | ||
| 777 | goto err_exit; | 778 | goto err_exit; |
| 778 | 779 | ||
| 779 | /* Send both scatterlists */ | 780 | /* Send both scatterlists */ |