From mboxrd@z Thu Jan  1 00:00:00 1970
From: Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH v2 6/7] spi: s3c64xx: restore removed comments
Date: Fri, 8 Jul 2016 22:35:28 +0200
Message-ID: <20160708203528.GA26626@kozik-lap>
References: <1467989201-14661-1-git-send-email-andi.shyti@samsung.com>
 <1467989201-14661-7-git-send-email-andi.shyti@samsung.com>
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Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Sylwester Nawrocki <s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Tomasz Figa <tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Michael Turquette <mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Chanwoo Choi <cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Jaehoon Chung <jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Andi Shyti <andi-ahk0KpmfxKRAfugRpC6u6w@public.gmane.org>
To: Andi Shyti <andi.shyti-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
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On Fri, Jul 08, 2016 at 11:46:40PM +0900, Andi Shyti wrote:
> Patch a9e93e8 has erroneously removed some comments which are
> important to understand why the bus frequency is multiplied by
> two during the spi transfer.
> 
> Signed-off-by: Andi Shyti <andi.shyti-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.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 6da663f..32b66f0 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -639,6 +639,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
>  	writel(val, regs + S3C64XX_SPI_MODE_CFG);
>  
>  	if (sdd->port_conf->clk_from_cmu) {
> +		/* There is half-multiplier before the SPI */
>  		clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
>  	} else {
>  		/* Configure Clock */

Regardless of possible followup after Michael's comments:

Reviewed-by: Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>

Best regards,
Krzysztof
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