From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ran Wang Subject: [PATCH v2] arm64: dts: ls1028a: Fix CPU idle fail. Date: Fri, 17 May 2019 12:57:53 +0800 Message-ID: <20190517045753.3709-1-ran.wang_1@nxp.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Shawn Guo , Li Yang , Rob Herring , Mark Rutland Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ran Wang List-Id: devicetree@vger.kernel.org PSCI spec define 1st parameter's bit 16 of function CPU_SUSPEND to indicate CPU State Type: 0 for standby, 1 for power down. In this case, we want to select standby for CPU idle feature. But current setting wrongly select power down and cause CPU SUSPEND fail every time. Need this fix. Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC") Signed-off-by: Ran Wang --- arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 18 +++++++++--------- 1 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index b045812..bf7f845 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -28,7 +28,7 @@ enable-method = "psci"; clocks = <&clockgen 1 0>; next-level-cache = <&l2>; - cpu-idle-states = <&CPU_PH20>; + cpu-idle-states = <&CPU_PW20>; }; cpu1: cpu@1 { @@ -38,7 +38,7 @@ enable-method = "psci"; clocks = <&clockgen 1 0>; next-level-cache = <&l2>; - cpu-idle-states = <&CPU_PH20>; + cpu-idle-states = <&CPU_PW20>; }; l2: l2-cache { @@ -53,13 +53,13 @@ */ entry-method = "arm,psci"; - CPU_PH20: cpu-ph20 { - compatible = "arm,idle-state"; - idle-state-name = "PH20"; - arm,psci-suspend-param = <0x00010000>; - entry-latency-us = <1000>; - exit-latency-us = <1000>; - min-residency-us = <3000>; + CPU_PW20: cpu-pw20 { + compatible = "arm,idle-state"; + idle-state-name = "PW20"; + arm,psci-suspend-param = <0x0>; + entry-latency-us = <2000>; + exit-latency-us = <2000>; + min-residency-us = <6000>; }; }; -- 1.7.1