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spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word 

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@egauge.net>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Mosberger-Tang 2015-10-20 14:26:47 +02:00 committed by Greg Kroah-Hartman
parent 0fd9b8b499
commit 092f4b70fe
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-atmel.c
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@ -594,7 +594,8 @@ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
*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 */