linux-kernel - Re: [PATCH 1/3] ARM: dts: sun8i: r40: Move AHCI device node based on address order

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Date:   Wed, 11 Mar 2020 10:59:37 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     Chen-Yu Tsai <wens@...nel.org>
Cc:     Maxime Ripard <mripard@...nel.org>, devicetree@...r.kernel.org,
        Chen-Yu Tsai <wens@...e.org>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] ARM: dts: sun8i: r40: Move AHCI device node based
 on address order

On Wed, 11 Mar 2020 01:47:07 +0800
Chen-Yu Tsai <wens@...nel.org> wrote:

> From: Chen-Yu Tsai <wens@...e.org>
> 
> When the AHCI device node was added, it was added in the wrong location
> in the device tree file. The device nodes should be sorted by register
> address.
> 
> Move the device node to before EHCI1, where it belongs.
> 
> Fixes: 41c64d3318aa ("ARM: dts: sun8i: r40: add sata node")
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm/boot/dts/sun8i-r40.dtsi | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> index d5442b5b6fd2..b278686d0c22 100644
> --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> @@ -307,6 +307,17 @@ crypto: crypto@...5000 {
>  			resets = <&ccu RST_BUS_CE>;
>  		};
>  
> +		ahci: sata@...8000 {
> +			compatible = "allwinner,sun8i-r40-ahci";
> +			reg = <0x01c18000 0x1000>;
> +			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
> +			resets = <&ccu RST_BUS_SATA>;
> +			reset-names = "ahci";
> +			status = "disabled";
> +

Did this empty line serve any particular purpose before? If not, you could remove it on the way.

With that fixed:

Reviewed-by: Andre Przywara <andre.przywara@....com>

Thanks,
Andre.

> +		};
> +
>  		ehci1: usb@...9000 {
>  			compatible = "allwinner,sun8i-r40-ehci", "generic-ehci";
>  			reg = <0x01c19000 0x100>;
> @@ -733,17 +744,6 @@ spi3: spi@...f000 {
>  			#size-cells = <0>;
>  		};
>  
> -		ahci: sata@...8000 {
> -			compatible = "allwinner,sun8i-r40-ahci";
> -			reg = <0x01c18000 0x1000>;
> -			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
> -			resets = <&ccu RST_BUS_SATA>;
> -			reset-names = "ahci";
> -			status = "disabled";
> -
> -		};
> -
>  		gmac: ethernet@...0000 {
>  			compatible = "allwinner,sun8i-r40-gmac";
>  			syscon = <&ccu>;