On Tue, May 08, 2018 at 04:16:37PM +0200, Philipp Zabel wrote:
> On Tue, 2018-05-08 at 08:59 -0500, Rob Herring wrote:
> > Single child nodes in OF graph don't need an address and now dtc will
> > warn about this:
> >
> > Warning (graph_child_address): /soc/aips@50000000/ldb@53fa8008/lvds-channel@0: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
> >
> > Since the LDB should always have an output port, fix the warning by
> > adding the output port, 2, to the DT.
> >
> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> > Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> > Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> > ---
> > arch/arm/boot/dts/imx53.dtsi | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
> > index 7d647d043f52..1cf2fc9d0a58 100644
> > --- a/arch/arm/boot/dts/imx53.dtsi
> > +++ b/arch/arm/boot/dts/imx53.dtsi
> > @@ -488,6 +488,10 @@
> > remote-endpoint = <&ipu_di0_lvds0>;
> > };
> > };
> > +
> > + port@2 {
> > + reg = <2>;
> > + };
>
> Now that the reg property of port@2 is added in the .dtsi, it could be
> removed from the one .dts files that use it:
>
> ----------8<----------
> --- a/arch/arm/boot/dts/imx53-ppd.dts
> +++ b/arch/arm/boot/dts/imx53-ppd.dts
> @@ -559,8 +559,6 @@
> status = "okay";
>
> port@2 {
> - reg = <2>;
> -
> lvds0_out: endpoint {
> remote-endpoint = <&panel_in_lvds0>;
> };
I incorporate the change and applied patch. Thanks.
Shawn
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