From patchwork Fri May 17 04:57:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ran Wang X-Patchwork-Id: 10947355 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 93EE5924 for ; Fri, 17 May 2019 04:56:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 832FB201A4 for ; Fri, 17 May 2019 04:56:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 77A73201B1; Fri, 17 May 2019 04:56:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0267C201B0 for ; Fri, 17 May 2019 04:56:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=4QczUKbPBXy4t7OsQ8tuMvlNBu9CiUgqftBKQEKowB8=; b=Xd+ ysmVhcRQmwsSAY74HIDBj3BaQfllzJKUzmxVnmfu3420svsSjK8mJOm76roivPQu10JX+U4mezy0I hpTyg6rxC6m/rNDNXFuxpBl3sGe+joDgneF5eMj+tMPgswvZ6dWyf9jba7mbSfbbQ2cYwl0nQantv ejnvWk7WJEpiOH9i7/C6iBDNgyeSYeMZotOj54FXRB4Us7g6vJWrY9QBB+Bw41uqoBkRfitIqs/O1 +W8wRxE2oRXG+Waze6vZUvPkkl0t+tbmqsyMhyxJJLXI5TSXBSfEMlWRbwd1YLR0vHcDpXxGvwxlT qEOeGkUvPo+EK/CObWGE2ziy/sCF09g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRUuu-0005SF-2K; Fri, 17 May 2019 04:56:24 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRUuo-0005Qs-LL for linux-arm-kernel@lists.infradead.org; Fri, 17 May 2019 04:56:22 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1FE9C200015; Fri, 17 May 2019 06:56:14 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 61AA9200005; Fri, 17 May 2019 06:56:10 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 7596E40250; Fri, 17 May 2019 12:56:05 +0800 (SGT) From: Ran Wang To: Shawn Guo , Li Yang , Rob Herring , Mark Rutland 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> X-Mailer: git-send-email 2.17.1 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_215618_837539_1BC0116B X-CRM114-Status: UNSURE ( 8.19 ) X-CRM114-Notice: Please train this message. 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 MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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>; }; };