RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine

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>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 6ec44a2..f4097a8 100644 (file)
--- 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 a5e0482..b8c882b 100644 (file)
--- 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 d1b87db..6f9a7c8 100644 (file)
--- 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