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Thread-Topic: [PATCH] arm64: dts: ls1028a: Fix CPU idle fail. Thread-Index: AQHVBKiUKthuJMWQ50upa4TU1imk1w== Date: Tue, 7 May 2019 07:43:37 +0000 Message-ID: <20190507074454.41589-1-ran.wang_1@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK2PR02CA0198.apcprd02.prod.outlook.com (2603:1096:201:21::34) To AM5PR0402MB2865.eurprd04.prod.outlook.com (2603:10a6:203:9e::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=ran.wang_1@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7f9ccb5e-9e18-4a3e-8072-08d6d2bfb73e x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020); SRVR:AM5PR0402MB2803; x-ms-traffictypediagnostic: AM5PR0402MB2803: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2887; x-forefront-prvs: 0030839EEE x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(366004)(376002)(346002)(396003)(136003)(39860400002)(189003)(199004)(110136005)(14454004)(68736007)(99286004)(36756003)(186003)(478600001)(54906003)(316002)(73956011)(6506007)(52116002)(102836004)(26005)(86362001)(6436002)(386003)(66066001)(6486002)(6116002)(7736002)(6512007)(53936002)(5660300002)(2906002)(1076003)(66446008)(64756008)(66556008)(66476007)(8676002)(66946007)(256004)(305945005)(81166006)(81156014)(2616005)(71200400001)(14444005)(476003)(486006)(50226002)(8936002)(71190400001)(25786009)(4326008)(3846002); DIR:OUT; SFP:1101; SCL:1; SRVR:AM5PR0402MB2803; H:AM5PR0402MB2865.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: IcKh9CFK2nALr2iZ9fUlpTvK/eqERFPuyov83VsVus4pOJzQdmzcd8J6EIuutuZKCtr3xpOVqcHJ4bBEvYd6rxPkIr0uBl1sunGu/MjRVFHuz/1eVglkG43QNAIO+JGfJ21KvHCM0UHnNkyxFy62Tob6Xoz43C1H9MUzw0CJlMFZ/r3ctZGpY6f7Ri01QNJ9fAXbT+KSfJh02O12MUurt2I+biWmYES7L9yAWVuHk/ZdINGnDjgby/CysJDKYBn141OH0CpU4w9rxsjXwSih/cr00VtGorEMvx878tRPLLPp3NvLE39Vs4GFBLcRURntd9Wq5qMJ/khD3SsRB7CBxae5RxuEmSoqJeVSnIbiBLnd6S0CfYl52uArZ39tspeDh+WgCCg3yolBmYCjyugz67hUCa5WTrMWTQ030V0lcSA= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7f9ccb5e-9e18-4a3e-8072-08d6d2bfb73e X-MS-Exchange-CrossTenant-originalarrivaltime: 07 May 2019 07:43:37.7539 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0402MB2803 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190507_004343_454110_66EAE73B X-CRM114-Status: GOOD ( 11.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "devicetree@vger.kernel.org" , Ran Wang , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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. 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel