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

Message ID 20210221093758.210981-9-anup.patel@wdc.com
State Superseded
Headers show
Series
  • RISC-V CPU Idle Support
Related show

Commit Message

Anup Patel Feb. 21, 2021, 9:37 a.m.
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>
---
 arch/riscv/Kconfig.socs           | 3 +++
 arch/riscv/configs/defconfig      | 1 +
 arch/riscv/configs/rv32_defconfig | 1 +
 3 files changed, 5 insertions(+)

Patch

diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 3284d5c291be..5f6f4a520772 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -19,6 +19,9 @@  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 dc4927c0e44b..aac26c20bbf5 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -19,6 +19,7 @@  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 332e43a4a2c3..2285c95e34b3 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