Subject: [PATCH] spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word.

From: [email-masked] (Nicolas Ferre)
Date: Tue, 20 Oct 2015 12:22:25 +0200

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 <[email-masked]>

Thanks for having rewritten this patch! It's much more simple like this ;-)

Acked-by: Nicolas Ferre <[email-masked]>

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