Messages in this thread Patch in this message | | | From | Nicolas Ferre <> | Subject | [RESEND PATCH] spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word | Date | Tue, 20 Oct 2015 14:26:47 +0200 |
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From: David Mosberger-Tang <davidm@egauge.net>
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> --- drivers/spi/spi-atmel.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 1cc1f1e0d17f..0b6e5ecbc752 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, *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 */ -- 2.1.3
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