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author | David Mosberger-Tang <davidm@egauge.net> | 2015-10-20 14:26:47 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-19 14:22:38 -0800 |
commit | 092f4b70fe24ef591430e5111ebeffb67ec241eb (patch) | |
tree | 05a77c9bf9031419d15138faf55d0f607797988d | |
parent | 0fd9b8b499b31651d3b2d1c837a0f199ea25cc41 (diff) | |
download | lwn-092f4b70fe24ef591430e5111ebeffb67ec241eb.tar.gz lwn-092f4b70fe24ef591430e5111ebeffb67ec241eb.zip |
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>
-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 380387a47b1d..462af46ceee7 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -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 */ |