linux-kernel - Re: [PATCH v2 RESEND 2/9] spi: spi-s3s64xx: Add S3C64XX_SPI_QUIRK_CS

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Message-ID: <20201001190423.GB11048@kozik-lap>
Date:   Thu, 1 Oct 2020 21:04:23 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Łukasz Stelmach <l.stelmach@...sung.com>
Cc:     Kukjin Kim <kgene@...nel.org>, Tomasz Figa <tomasz.figa@...il.com>,
        Andi Shyti <andi@...zian.org>, Mark Brown <broonie@...nel.org>,
        linux-spi@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        m.szyprowski@...sung.com, b.zolnierkie@...sung.com
Subject: Re: [PATCH v2 RESEND 2/9] spi: spi-s3s64xx: Add
 S3C64XX_SPI_QUIRK_CS_AUTO for Exynos3250

On Thu, Oct 01, 2020 at 05:21:41PM +0200, Łukasz Stelmach wrote:
> Fix issues with DMA transfers bigger than 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@...sung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  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,

I spotted now: you have here double space after '='.

Best regards,
Krzysztof