On 18.06.2018 19:42, Krzysztof Kozlowski wrote:
> The decon, decon_tv and dsi nodes have only one child port so
> address/size mappings are not necessary. This fixes DTC warnings like:
>
> Warning (graph_child_address): /soc/decon@13800000/ports:
> graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
DECON nodes according to documentation have only one port so it is OK.
DSI has two ports, but since on all Exynos platforms DSI panels/bridges
are subnodes of ExynosDSI the 2nd port is not used.
So if there will be a platform with DSI panel/bridge controlled via I2C,
it should be reverted., but this is theoretical problem.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 6 +-----
> arch/arm64/boot/dts/exynos/exynos5433.dtsi | 12 ++----------
> 2 files changed, 3 insertions(+), 15 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index a1e3194b7483..0a15ee513f5c 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -321,11 +321,7 @@
> status = "okay";
>
> ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port@0 {
> - reg = <0>;
> + port {
> tv_to_hdmi: endpoint {
> remote-endpoint = <&hdmi_to_tv>;
> };
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 3a9b4c4b9c63..e4367fd39120 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -850,11 +850,7 @@
> iommu-names = "m0", "m1";
>
> ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port@0 {
> - reg = <0>;
> + port {
> decon_to_mic: endpoint {
> remote-endpoint =
> <&mic_to_decon>;
> @@ -914,11 +910,7 @@
> #size-cells = <0>;
>
> ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port@0 {
> - reg = <0>;
> + port {
> dsi_to_mic: endpoint {
> remote-endpoint = <&mic_to_dsi>;
> };
--
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