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Message-ID: <CAJF2gTRLcqQ8ZjKwWNmARtaraVW7dD5Hp5=iv+4kHYENvB2gWg@mail.gmail.com>
Date:   Tue, 8 Feb 2022 14:26:16 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Anup Patel <apatel@...tanamicro.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Sandeep Tripathy <milun.tripathy@...il.com>,
        Atish Patra <atishp@...shpatra.org>,
        Alistair Francis <Alistair.Francis@....com>,
        Liush <liush@...winnertech.com>,
        Anup Patel <anup@...infault.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-pm@...r.kernel.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        kvm-riscv@...ts.infradead.org
Subject: Re: [PATCH v10 8/8] RISC-V: Enable RISC-V SBI CPU Idle driver for
 QEMU virt machine

On Wed, Jan 26, 2022 at 7:51 PM Anup Patel <apatel@...tanamicro.com> wrote:
>
> From: Anup Patel <anup.patel@....com>
>
> We enable RISC-V SBI CPU Idle driver for QEMU virt machine to test
> SBI HSM Supend on QEMU.
>
> Signed-off-by: Anup Patel <anup.patel@....com>
> Signed-off-by: Anup Patel <apatel@...tanamicro.com>
> ---
>  arch/riscv/Kconfig.socs           | 3 +++
>  arch/riscv/configs/defconfig      | 1 +
>  arch/riscv/configs/rv32_defconfig | 1 +
>  3 files changed, 5 insertions(+)
>
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 6ec44a22278a..f4097a815201 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -36,6 +36,9 @@ config SOC_VIRT
>         select GOLDFISH
>         select RTC_DRV_GOLDFISH if RTC_CLASS
>         select SIFIVE_PLIC
> +       select PM_GENERIC_DOMAINS if PM
> +       select PM_GENERIC_DOMAINS_OF if PM && OF
> +       select RISCV_SBI_CPUIDLE if CPU_IDLE
>         help
>           This enables support for QEMU Virt Machine.
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index a5e0482a4969..b8c882b70b02 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -20,6 +20,7 @@ CONFIG_SOC_SIFIVE=y
>  CONFIG_SOC_VIRT=y
>  CONFIG_SMP=y
>  CONFIG_HOTPLUG_CPU=y
> +CONFIG_PM=y
>  CONFIG_CPU_IDLE=y
>  CONFIG_VIRTUALIZATION=y
>  CONFIG_KVM=m
> diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
rv32_defconfig would be removed. I think you could delete this part.
https://lore.kernel.org/linux-riscv/20220201150545.1512822-9-guoren@kernel.org/T/#u

I would Cc you in the patch, and you could track the progress.

> index d1b87db54d68..6f9a7c89bff9 100644
> --- a/arch/riscv/configs/rv32_defconfig
> +++ b/arch/riscv/configs/rv32_defconfig
> @@ -20,6 +20,7 @@ CONFIG_SOC_VIRT=y
>  CONFIG_ARCH_RV32I=y
>  CONFIG_SMP=y
>  CONFIG_HOTPLUG_CPU=y
> +CONFIG_PM=y
>  CONFIG_CPU_IDLE=y
>  CONFIG_VIRTUALIZATION=y
>  CONFIG_KVM=m
> --
> 2.25.1
>
>
> --
> kvm-riscv mailing list
> kvm-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/kvm-riscv



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/

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