linux-kernel - Re: [PATCH 8/8] spi: spi-s3c64xx: Turn on interrupts upon resume

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Message-ID: <20200819125301.GI18122@kozik-lap>
Date:   Wed, 19 Aug 2020 14:53:01 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Łukasz Stelmach <l.stelmach@...sung.com>
Cc:     Kukjin Kim <kgene@...nel.org>, 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 8/8] spi: spi-s3c64xx: Turn on interrupts upon resume

On Wed, Aug 19, 2020 at 02:32:08PM +0200, Łukasz Stelmach wrote:
> Signed-off-by: Łukasz Stelmach <l.stelmach@...sung.com>
> ---
>  drivers/spi/spi-s3c64xx.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 27db1e0f6f32..5dcad43fb847 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1356,6 +1356,10 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
>  
>  	s3c64xx_spi_hwinit(sdd);
>  
> +	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
> +	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
> +	       sdd->regs + S3C64XX_SPI_INT_EN);
> +

Makes sense but you should explain in the commit msg what happens
without this (or why they are not enabled).

Best regards,
Krzysztof