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SubjectRe: [RFT][PATCH] arm64: dts: exynos: Remove unneeded address space mapping for soc node
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Hi Krzysztof,

On 2018-04-24 19:36, Krzysztof Kozlowski wrote:
> Remove the address space mapping between root and soc nodes to fix
> DTC warnings in Exynos5433 and Exynos7 like:
>
> arch/arm64/boot/dts/exynos/exynos5433-tm2.dtb:
> Warning (unit_address_vs_reg): /soc: node has a reg or ranges property, but no unit name
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Works fine on Samsung Exynos5433-based TM2e board.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---
>
> Not tested.
> ---
> arch/arm64/boot/dts/exynos/exynos5433.dtsi | 6 +++---
> arch/arm64/boot/dts/exynos/exynos7.dtsi | 6 +++---
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 828996a06610..ba8157ceaa56 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -18,8 +18,8 @@
>
> / {
> compatible = "samsung,exynos5433";
> - #address-cells = <2>;
> - #size-cells = <2>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> interrupt-parent = <&gic>;
>
> @@ -235,7 +235,7 @@
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
> - ranges = <0x0 0x0 0x0 0x18000000>;
> + ranges;
>
> arm_a53_pmu {
> compatible = "arm,cortex-a53-pmu", "arm,armv8-pmuv3";
> diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
> index 0b98d2334cad..93a84338938a 100644
> --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
> @@ -12,8 +12,8 @@
> / {
> compatible = "samsung,exynos7";
> interrupt-parent = <&gic>;
> - #address-cells = <2>;
> - #size-cells = <2>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> aliases {
> pinctrl0 = &pinctrl_alive;
> @@ -70,7 +70,7 @@
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
> - ranges = <0 0 0 0x18000000>;
> + ranges;
>
> chipid@10000000 {
> compatible = "samsung,exynos4210-chipid";

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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