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References: <20231023172800.315343-1-apatel@ventanamicro.com>
 <20231023172800.315343-2-apatel@ventanamicro.com> <87h6mgs09f.fsf@all.your.base.are.belong.to.us>
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From:   Anup Patel <apatel@ventanamicro.com>
Date:   Tue, 24 Oct 2023 17:37:16 +0530
Message-ID: <CAK9=C2U7nRc95-DoxesfOzBBat8wNMhTqi4NTJWgJjQYd9NZow@mail.gmail.com>
Subject: Re: [PATCH v11 01/14] RISC-V: Don't fail in riscv_of_parent_hartid()
 for disabled HARTs
To:     =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>
Cc:     Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Frank Rowand <frowand.list@gmail.com>,
        Conor Dooley <conor+dt@kernel.org>,
        Marc Zyngier <maz@kernel.org>,
        Atish Patra <atishp@atishpatra.org>,
        Andrew Jones <ajones@ventanamicro.com>,
        Sunil V L <sunilvl@ventanamicro.com>,
        Saravana Kannan <saravanak@google.com>,
        Anup Patel <anup@brainfault.org>,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, Atish Patra <atishp@rivosinc.com>
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On Tue, Oct 24, 2023 at 5:25=E2=80=AFPM Bj=C3=B6rn T=C3=B6pel <bjorn@kernel=
.org> wrote:
>
> Anup Patel <apatel@ventanamicro.com> writes:
>
> > The riscv_of_processor_hartid() used by riscv_of_parent_hartid() fails
> > for HARTs disabled in the DT. This results in the following warning
> > thrown by the RISC-V INTC driver for the E-core on SiFive boards:
> >
> > [    0.000000] riscv-intc: unable to find hart id for /cpus/cpu@0/inter=
rupt-controller
> >
> > The riscv_of_parent_hartid() is only expected to read the hartid from
> > the DT so we should directly call of_get_cpu_hwid() instead of calling
> > riscv_of_processor_hartid().
> >
> > Fixes: ad635e723e17 ("riscv: cpu: Add 64bit hartid support on RV64")
>
> Patch 1 and 3: These fixes are stand alone, and doesn't have to be part
> of the series.
>
> Wouldn't it be better to pull these out of the long-going series, and
> try to get in the fixes ASAP?

Yes, that is correct. In fact, PATCH2 can also be taken for Linux-6.7.

I suggest PATCH1 to PATCH3 (3 patches) be taken for Linux-6.7
since the merge window is pretty close.

Regards,
Anup