Re: [PATCH v2 2/9] spi: spi-s3s64xx: Add S3C64XX_SPI_QUIRK_CS_AUTO for Exynos3250

[Krzysztof Kozlowski]

On Fri, Aug 21, 2020 at 06:13:54PM +0200, Łukasz Stelmach wrote:
> This and the previous patch fix issues with DMA transfers bigger than

"Fix issues with DMA..."

Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof


> 512 bytes on Exynos3250. Without the patches such transfers fail.
> 
> The vendor kernel for ARTIK5 handles CS in a simmilar way.
> 
> Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
> ---
>  drivers/spi/spi-s3c64xx.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 26c7cb79cd78..22bf8c75580a 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1379,6 +1379,7 @@ static struct s3c64xx_spi_port_config exynos4_spi_port_config = {
>  	.tx_st_done	= 25,
>  	.high_speed	= true,
>  	.clk_from_cmu	= true,
> +	.quirks		=  S3C64XX_SPI_QUIRK_CS_AUTO,
>  };
>  
>  static struct s3c64xx_spi_port_config exynos7_spi_port_config = {
> -- 
> 2.26.2
>