On Wed, Jun 7, 2017 at 1:57 PM, Wesley Terpstra <wesley@xxxxxxxxxx> wrote:
> On Wed, Jun 7, 2017 at 3:13 AM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
>>> > +RISC-V Hart-Level Interrupt Controller (HLIC)
>>> > +---------------------------------------------
[...]
>>> > + plic: interrupt-controller@c000000 {
>>> > + #address-cells = <0>;
>>
>> This can go, given you don't have sub-nodes, nor a #size-cells property.
>
> The device-tree-specification seems to indicate that this is mandatory
> for an interrupt-controller. Or have I understood this wrongly? When
> you use interrupts-extended, doesn't it use the address-cells of the
> interrupt controller? We should add that size-cells = 0, though.
It's only needed if you have an interrupt-map property AIUI.
#size-cells should never be needed (unless you have child nodes of
this one).
Rob
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