linux-kernel - Re: [PATCH v2] ARM: dts: Add SPI CS on exynos5250-snow

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Date:	Mon, 27 Jul 2015 23:24:54 +0200
From:	Javier Martinez Canillas <javier@...hile0.org>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ARM: dts: Add SPI CS on exynos5250-snow

Hello Michal,

The patch looks good to me, just one small comment below.

On Mon, Jul 27, 2015 at 10:11 PM, Michal Suchanek <hramrach@...il.com> wrote:
> Although there is only one choice of chipselect it is necessary to
> specify it. The driver cannot claim the gpio otherwise.
>
> Signed-off-by: Michal Suchanek <hramrach@...il.com>
>
> --
> v2
>  - don't move unrelated line
> ---
>  arch/arm/boot/dts/exynos5250-snow.dts | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
> index b7f4122..62be08a 100644
> --- a/arch/arm/boot/dts/exynos5250-snow.dts
> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
> @@ -688,6 +688,7 @@
>         status = "okay";
>         samsung,spi-src-clk = <0>;
>         num-cs = <1>;
> +       cs-gpios = <&gpa2 5 0>;

NIT: this should be GPIO_ACTIVE_HIGH instead of 0 but maybe Kukjin or
Krzysztof can fixup when applying it?

>  };
>
>  &usbdrd_dwc3 {
> --

Acked-by: Javier Martinez Canillas <javier@....samsung.com>

Best regards,
Javier
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