[PATCH] spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word.
From: David Mosberger-Tang <hidden>
Date: 2015-10-19 20:48:10
Subsystem:
microchip spi driver, spi subsystem, the rest · Maintainers:
Ryan Wanner, Mark Brown, Linus Torvalds
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 <redacted> --- 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 04e48e5..855cc56 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c@@ -758,7 +758,8 @@ 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 */
--
1.9.1