Hi Lukasz,

On Thu, Dec 6, 2018 at 11:08 AM Lukasz Majewski [off-list ref] wrote:

I will check this latter this week...

Reading the spi dt-binding it states that the spi slave node is optional.

If I remove it like this, then the warning is gone:

--- a/arch/arm/boot/dts/vf610-bk4.dts
+++ b/arch/arm/boot/dts/vf610-bk4.dts

@@ -109,12 +109,6 @@
        bus-num = <3>;
        status = "okay";
        spi-slave;
-
-       slave@0 {
-               compatible = "lwn,bk4";
-               spi-max-frequency = <30000000>;
-               reg = <0>;
-       };
 };

 &edma0 {

Does spi slave still work without it?

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