linux-kernel - [PATCH 3/4] RISC-V: Select SYSCON Reboot and Poweroff for QEMU virt machine

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Date:   Mon, 25 Nov 2019 13:22:33 +0000
From:   Anup Patel <Anup.Patel@....com>
To:     Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>
CC:     Atish Patra <Atish.Patra@....com>,
        Alistair Francis <Alistair.Francis@....com>,
        Christoph Hellwig <hch@....de>,
        Anup Patel <anup@...infault.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Anup Patel <Anup.Patel@....com>
Subject: [PATCH 3/4] RISC-V: Select SYSCON Reboot and Poweroff for QEMU virt
 machine

The SYSCON Reboot and Poweroff drivers can be used on QEMU virt machine
to reboot or poweroff the system hence we select these drivers using
QEMU virt machine kconfig option.

Signed-off-by: Anup Patel <anup.patel@....com>
---
 arch/riscv/Kconfig.socs           | 2 ++
 arch/riscv/configs/defconfig      | 1 +
 arch/riscv/configs/rv32_defconfig | 1 +
 3 files changed, 4 insertions(+)

diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 62383951bf2e..bae4907b4880 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -26,6 +26,8 @@ config SOC_VIRT
        select RPMSG_VIRTIO
        select CRYPTO_DEV_VIRTIO
        select VIRTIO_INPUT
+       select POWER_RESET_SYSCON
+       select POWER_RESET_SYSCON_POWEROFF
        select SIFIVE_PLIC
        help
          This enables support for QEMU Virt Machine.
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 2515fe6417e1..bf33bd40ee07 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -58,6 +58,7 @@ CONFIG_HW_RANDOM=y
 CONFIG_SPI=y
 CONFIG_SPI_SIFIVE=y
 # CONFIG_PTP_1588_CLOCK is not set
+CONFIG_POWER_RESET=y
 CONFIG_DRM=y
 CONFIG_DRM_RADEON=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
index bbcf14fd6f40..234213b4ea74 100644
--- a/arch/riscv/configs/rv32_defconfig
+++ b/arch/riscv/configs/rv32_defconfig
@@ -56,6 +56,7 @@ CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
 CONFIG_HVC_RISCV_SBI=y
 CONFIG_HW_RANDOM=y
 # CONFIG_PTP_1588_CLOCK is not set
+CONFIG_POWER_RESET=y
 CONFIG_DRM=y
 CONFIG_DRM_RADEON=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
-- 
2.17.1