Re: [PATCH] sh: j2: drop incorrect SPI controller max frequency property

From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	 devicetree@vger.kernel.org, linux-sh@vger.kernel.org,
	 linux-kernel@vger.kernel.org
Cc: Kousik Sanagavarapu <five231003@gmail.com>
Subject: Re: [PATCH] sh: j2: drop incorrect SPI controller max frequency property
Date: Thu, 02 May 2024 12:28:09 +0200	[thread overview]
Message-ID: <1280dad5fe1761d0c8828d6cee6dbd91e077a5b0.camel@physik.fu-berlin.de> (raw)
In-Reply-To: <20240322064221.25776-1-krzysztof.kozlowski@linaro.org>

On Fri, 2024-03-22 at 07:42 +0100, Krzysztof Kozlowski wrote:
> The J2 SPI controller bindings never allowed spi-max-frequency property
> in the controller node.  Neither old spi-bus.txt bindings, nor new DT
> schema allows it.  Linux driver does not parse that property from
> controller node, thus drop it from DTS as incorrect hardware
> description.  The SPI child device has already the same property with
> the same value, so functionality should not be affected.
> 
> Cc: Kousik Sanagavarapu <five231003@gmail.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  arch/sh/boot/dts/j2_mimas_v2.dts | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/sh/boot/dts/j2_mimas_v2.dts b/arch/sh/boot/dts/j2_mimas_v2.dts
> index fa9562f78d53..faf884f53804 100644
> --- a/arch/sh/boot/dts/j2_mimas_v2.dts
> +++ b/arch/sh/boot/dts/j2_mimas_v2.dts
> @@ -71,8 +71,6 @@ spi0: spi@40 {
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  
> -			spi-max-frequency = <25000000>;
> -
>  			reg = <0x40 0x8>;
>  
>  			sdcard@0 {

Applied to my sh-linux tree in the for-next branch.

Thanks,
Adrian

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