[RFC PATCH v4 8/8] RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine

From: Anup Patel
Date: Mon May 17 2021 - 09:11:26 EST


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@xxxxxxx>
---
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 ed963761fbd2..3ae937121a77 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -27,6 +27,9 @@ 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 57a24d40d43f..ed71f125cbc9 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_JUMP_LABEL=y
CONFIG_MODULES=y
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
index 97d899df2445..0088d6989332 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_JUMP_LABEL=y
CONFIG_MODULES=y
--
2.25.1