Re: [PATCH 4/9] dt-bindings: Add RISC-V incoming MSI controller bindings

[Anup Patel]

On Wed, Nov 16, 2022 at 2:30 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 15/11/2022 23:34, Conor Dooley wrote:
> > On Mon, Nov 14, 2022 at 05:59:00PM +0530, Anup Patel wrote:
> >> On Sun, Nov 13, 2022 at 8:18 PM Conor Dooley <conor@xxxxxxxxxx> wrote:
> >
> >>> Also, the file name says "riscv,imsic", the description says "IMSIC" but
> >>> you've used "imsics" in the compatible. Is this a typo, or a plural?
> >>
> >> Yes, the file name should be consistent. I will update the file name.
> >
> > Is there a reason why the compatible is plural when all of the other
> > mentions etc do not have an "s"? It really did look like a typo to me.
> >
> > It's the "incoming MSI controller", so I am unsure as to where the "s"
> > actually even comes from. Why not just use "riscv,imsic"?
>
> Yep, should be rather consistent with all others, and IMSIC stands for
> Integrated Circuit?

This is intentionally plural because even though we have one
IMSIC per-CPU, Linux (and various OSes) expect one DT node
as MSI controller targeting all CPUs.

The plural compatible string "riscv,imsics" was chosen based
on consensus on RISC-V AIA Task Group meetings.

Regards,
Anup