linux-kernel - Re: [PATCH 4/4] spi: s3c64xx: restore removed comments

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Message-id: <577FA21A.8020900@samsung.com>
Date:	Fri, 08 Jul 2016 14:52:42 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Andi Shyti <andi.shyti@...sung.com>,
	Mark Brown <broonie@...nel.org>
Cc:	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andi Shyti <andi@...zian.org>
Subject: Re: [PATCH 4/4] spi: s3c64xx: restore removed comments

On 07/08/2016 02:18 PM, 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@...sung.com>
> ---
>  drivers/spi/spi-s3c64xx.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 1874bc5..d1fe100 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -639,6 +639,8 @@ 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) {
> +		/* Configure Clock */
> +		/* There is half-multiplier before the SPI */

Not a kernel coding style comment. :) Either proper one or just skip the
"configure clock" as it is meaningless.

BR,
Krzysztof

>  		clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
>  	} else {
>  		/* Configure Clock */
>