From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Tue, 20 Oct 2015 12:22:25 +0200 Subject: [PATCH] spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word. In-Reply-To: <1445288084-31805-1-git-send-email-davidm@egauge.net> References: <1445288084-31805-1-git-send-email-davidm@egauge.net> Message-ID: <562615E1.4030407@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Le 19/10/2015 22:54, David Mosberger-Tang a ?crit : > 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 Thanks for having rewritten this patch! It's much more simple like this ;-) Acked-by: Nicolas Ferre For Mark, here is the patchwork entry which can be handy: https://patchwork.kernel.org/patch/7439931/ Best regards, > --- > 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 */ > -- Nicolas Ferre