Messages in this thread Patch in this message | | | From | Guo Ren <> | Date | Tue, 8 Feb 2022 14:46:13 +0800 | Subject | Re: [PATCH v10 8/8] RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine |
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Another question:
Have you put "idle-states {" in qemu's DTS? or how do you test your patches?
On Wed, Jan 26, 2022 at 7:51 PM Anup Patel <apatel@ventanamicro.com> wrote: > > From: Anup Patel <anup.patel@wdc.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@wdc.com> > Signed-off-by: Anup Patel <apatel@ventanamicro.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 > 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@lists.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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