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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 26 Jan 2022 21:06:44 +0100
Message-ID: <CAMuHMdXuM4wJKC7TgNd7VbZJ1xM0xBgB4os6S0WXpJUdsmxK4A@mail.gmail.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: timer: sifive,clint: Fix number of interrupts
To:     Rob Herring <robh+dt@kernel.org>
Cc:     Anup Patel <anup@brainfault.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Anup Patel <anup.patel@wdc.com>,
        "linux-kernel@vger.kernel.org List" <linux-kernel@vger.kernel.org>,
        DTML <devicetree@vger.kernel.org>,
        linux-riscv <linux-riscv@lists.infradead.org>
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Hi Rob,

On Wed, Jan 26, 2022 at 8:37 PM Rob Herring <robh+dt@kernel.org> wrote:
> On Fri, Dec 17, 2021 at 6:48 AM Anup Patel <anup@brainfault.org> wrote:
> > On Fri, Dec 17, 2021 at 6:08 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > > The number of interrupts lacks an upper bound, thus assuming one,
> > > causing properly grouped "interrupts-extended" properties to be flagged
> > > as an error by "make dtbs_check".
> > >
> > > Fix this by adding the missing "maxItems".  As the architectural maximum
> > > is 4095 interrupts, using that as the limit would be unpractical.  Hence
> > > limit it to 10 interrupts (two interrupts for a system management core,
> > > and two interrupts per core for other cores).  This should be sufficient
> > > for now, and the limit can always be increased when the need arises.
> >
> > Same comment as the PLIC DT binding patch.
> >
> > The "maxItems" should represent CLINT spec constraints so
> > please don't add any synthetic value here.
>
> I agree.
>
> Geert, are you going to respin these?

Sure, will do, now we have an agreement.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds