From: Khiem Nguyen Date: Fri, 24 Feb 2017 13:49:14 +0000 (+0100) Subject: arm64: dts: r8a7796: Upgrade to PSCI v1.0 to support Suspend-to-RAM X-Git-Tag: v4.12-rc1~52^2~22^2~13 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b3f26910c0daafded536cf5edceab2ab469252cb;p=karo-tx-linux.git arm64: dts: r8a7796: Upgrade to PSCI v1.0 to support Suspend-to-RAM >From PSCI v1.0, Suspend-to-RAM is supported via SYSTEM_SUSPEND PSCI function call. Hence, upgrade PSCI version for R-Car M3-W to support Suspend-to-RAM. The Suspend-to-RAM is highly dependent on ARM Trusted Firwmare support since necessary callback functions will be registered after a query to ARM Trusted Firmware about SYSTEM_SUSPEND support. Since PSCI v1.0 is backward compatible with PSCI v0.2, CPU Hotplug and CPUIdle should be able to work normally with this change. Signed-off-by: Khiem Nguyen Signed-off-by: Takeshi Kihara [geert: Keep "arm,psci-0.2"] Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi index aa404ed9142e..dbf82bc6ba64 100644 --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi @@ -29,7 +29,7 @@ }; psci { - compatible = "arm,psci-0.2"; + compatible = "arm,psci-1.0", "arm,psci-0.2"; method = "smc"; };