On Mon, Jun 29, 2020 at 09:50:26PM +0200, Sylwester Nawrocki wrote: > Hi Krzysztof, > > On 6/29/20 21:33, Krzysztof Kozlowski wrote: > > Remove the simple-bus compatible from a regulators node because its > > children do not have any unit addresses. This fixes DTC warning: > > > > Warning (simple_bus_reg): /regulators/regulator-0: missing or empty reg/ranges property > > > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > --- > > arch/arm/boot/dts/exynos4210-trats.dts | 2 -- > > 1 file changed, 2 deletions(-) > > > > diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts > > index 3d791db6095c..cec413ee4490 100644 > > --- a/arch/arm/boot/dts/exynos4210-trats.dts > > +++ b/arch/arm/boot/dts/exynos4210-trats.dts > > @@ -31,8 +31,6 @@ > > }; > > regulators { > > - compatible = "simple-bus"; > > I think you would also need to remove the 'regulators' node altogether, > otherwise with your change the subnodes below won't get parsed and the > regulators will not get registered. Good point, I actually did not test this patch. Let me recheck and send a follow up. Thanks for review! Best regards, Krzysztof