Hello Maxime,
Am 27.03.2017 um 08:46 schrieb Maxime Ripard:
>> @@ -1582,6 +1587,14 @@
>> #size-cells = <0>;
>> };
>>
>> + can0: can@01c2bc00 {
>> + compatible = "allwinner,sun4i-a10-can";
>
> Sorry for not spotting this earlier, but this would need an A20
> compatible too, to deal with the case where it turns out not to be
> compatible.
>
> you can do something like this:
> compatible = "allwinner,sun7i-a20-can", "allwinner,sun4i-a10-can";Adding "sun7i-a20-can" to the compatible list results in a checkpatch warning, that the "driver" is not documented. WARNING: DT compatible string "allwinner,sun7i-a20-can" appears un-documented -- check ./Documentation/devicetree/bindings/ #27: FILE: arch/arm/boot/dts/sun7i-a20.dtsi:1586: + compatible = "allwinner,sun7i-a20-can", Is it really OK to add a driver that doesn't exist yet? Thanks, Patrick
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