2015-06-04 06:52:39

by Javier Martinez Canillas

[permalink] [raw]
Subject: Re: [PATCH 01/11] ARM: dt: Add SPI CS on Samsung Snow board.

Hello Michal,

On Wed, Jun 3, 2015 at 11:26 PM, Michal Suchanek <[email protected]> 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 <[email protected]>
> ---
> arch/arm/boot/dts/exynos5250-snow.dts | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
> index 1eca97e..1fa72cf 100644
> --- a/arch/arm/boot/dts/exynos5250-snow.dts
> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
> @@ -687,9 +687,10 @@
> };
>
> &spi_1 {
> - status = "okay";
> samsung,spi-src-clk = <0>;
> num-cs = <1>;
> + cs-gpios = <&gpa2 5 0>;
> + status = "okay";

Why are you changing the position of the status property? AFAIK the
convention is to have this property at the beginning of the device
node.

Best regards,
Javier