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References: <20200318011144.91532-1-atish.patra@wdc.com> <20200318011144.91532-3-atish.patra@wdc.com>
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From:   Bin Meng <bmeng.cn@gmail.com>
Date:   Sun, 5 Apr 2020 22:36:53 +0800
Message-ID: <CAEUhbmXH0GP_=r-jUHNCB9wPkSoh6_BNWtUG1SN57QPgLCtDNg@mail.gmail.com>
Subject: Re: [PATCH v11 02/11] RISC-V: Add basic support for SBI v0.2
To:     Atish Patra <atish.patra@wdc.com>
Cc:     linux-kernel <linux-kernel@vger.kernel.org>,
        Anup Patel <anup@brainfault.org>,
        Palmer Dabbelt <palmerdabbelt@google.com>,
        Albert Ou <aou@eecs.berkeley.edu>, Gary Guo <gary@garyguo.net>,
        Greentime Hu <greentime.hu@sifive.com>,
        linux-riscv <linux-riscv@lists.infradead.org>,
        Mao Han <han_mao@c-sky.com>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Nick Hu <nickhu@andestech.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vincent Chen <vincent.chen@sifive.com>,
        Zong Li <zong.li@sifive.com>
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On Wed, Mar 18, 2020 at 9:11 AM Atish Patra <atish.patra@wdc.com> wrote:
>
> The SBI v0.2 introduces a base extension which is backward compatible
> with v0.1. Implement all helper functions and minimum required SBI
> calls from v0.2 for now. All other base extension function will be
> added later as per need.
> As v0.2 calling convention is backward compatible with v0.1, remove
> the v0.1 helper functions and just use v0.2 calling convention.
>
> Signed-off-by: Atish Patra <atish.patra@wdc.com>
> Reviewed-by: Anup Patel <anup@brainfault.org>
> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
> ---
>  arch/riscv/include/asm/sbi.h | 139 ++++++++++----------
>  arch/riscv/kernel/sbi.c      | 243 ++++++++++++++++++++++++++++++++++-
>  arch/riscv/kernel/setup.c    |   5 +
>  3 files changed, 314 insertions(+), 73 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>