From 71585040b77e7b388708dc35bdc49f106fa55a4a Mon Sep 17 00:00:00 2001 From: Khiem Nguyen Date: Fri, 24 Feb 2017 14:49:13 +0100 Subject: [PATCH] arm64: dts: r8a7795: 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 H3 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 --- arch/arm64/boot/dts/renesas/r8a7795.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index 3573872974e0..c1e00a3e7c45 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -29,7 +29,7 @@ }; psci { - compatible = "arm,psci-0.2"; + compatible = "arm,psci-1.0", "arm,psci-0.2"; method = "smc"; }; -- 2.20.1