From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH 1/2] arm64: dts: r8a7795: Upgrade to PSCI v1.0 to support Suspend-to-RAM Date: Fri, 17 Feb 2017 18:00:31 +0100 Message-ID: <1487350832-29820-2-git-send-email-geert+renesas@glider.be> References: <1487350832-29820-1-git-send-email-geert+renesas@glider.be> Return-path: In-Reply-To: <1487350832-29820-1-git-send-email-geert+renesas@glider.be> Sender: linux-renesas-soc-owner@vger.kernel.org To: Simon Horman , Magnus Damm Cc: Khiem Nguyen , linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Takeshi Kihara , Geert Uytterhoeven List-Id: devicetree@vger.kernel.org From: Khiem Nguyen >>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 Signed-off-by: Geert Uytterhoeven --- Khiem: I've updated your email address. --- 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 98cd42f586b5fd62..4eae2d471d41ee55 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"; method = "smc"; }; -- 1.9.1