linux-kernel - Re: [PATCH v2 2/3] rtc: s3c: support for exynosautov9 on-chip RTC

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Message-ID: <20250711-shapeless-adorable-lobster-d2efbf@krzk-bin>
Date: Fri, 11 Jul 2025 09:20:38 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Devang Tailor <dev.tailor@...sung.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	alim.akhtar@...sung.com, alexandre.belloni@...tlin.com, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-rtc@...r.kernel.org, faraz.ata@...sung.com
Subject: Re: [PATCH v2 2/3] rtc: s3c: support for exynosautov9 on-chip RTC

On Thu, Jul 10, 2025 at 02:04:33PM +0530, Devang Tailor wrote:
> The on-chip RTC of this SoC is almost similar to the previous
> versions of SoC. Hence re-use the existing driver with platform specific
> change to enable RTC.
> 
> This has been tested with 'hwclock' & 'date' utilities
> 
> Signed-off-by: Devang Tailor <dev.tailor@...sung.com>
> ---
>  drivers/rtc/rtc-s3c.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
> index 5dd575865adf..8db24b6360b8 100644
> --- a/drivers/rtc/rtc-s3c.c
> +++ b/drivers/rtc/rtc-s3c.c
> @@ -384,6 +384,15 @@ static void s3c6410_rtc_disable(struct s3c_rtc *info)
>  	writew(con, info->base + S3C2410_RTCCON);
>  }
>  
> +static void exynosautov9_rtc_disable(struct s3c_rtc *info)
> +{
> +	unsigned int con;
> +
> +	con = readb(info->base + S3C2410_RTCCON);
> +	con &= ~S3C2410_RTCCON_RTCEN;
> +	writeb(con, info->base + S3C2410_RTCCON);
> +}

Looks a lot like s3c24xx_rtc_disable()...

Anyway, if you keep ignoring the review, no point to provide reviews
here.

Best regards,
Krzysztof