From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50893C3B187 for ; Tue, 11 Feb 2020 18:30:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34A2820848 for ; Tue, 11 Feb 2020 18:30:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="WWE2UP0b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731327AbgBKSaQ (ORCPT ); Tue, 11 Feb 2020 13:30:16 -0500 Received: from mail-yb1-f193.google.com ([209.85.219.193]:34595 "EHLO mail-yb1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727361AbgBKSaQ (ORCPT ); Tue, 11 Feb 2020 13:30:16 -0500 Received: by mail-yb1-f193.google.com with SMTP id w17so5860816ybm.1 for ; Tue, 11 Feb 2020 10:30:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=r/j2vvVFfb2pvvewnOqGFeHcx4HUzbo3PkGetmF0ApA=; b=WWE2UP0bVzNzxjdQPMAadNNL/kOWI0y9xAyMB3zoasEPuHuYVjeKiiLaMoyOkG4/9Y ajCQvRQ4+syc0704ykkaWttG9f+RS4dt+4d4HbqZJ+P83/wspnHWvqhRV20KpxhIDvku fSbMqVVQ9wBxFBlPS8PXsFkUX3v1GzbGyTGYahpS3nz8mctna7ksGnBA4vLfWREDkCwO 0hIF4c8oNA2TNKuN7FdxOzLZTkQeeYlqPBrrpjYlnQgJf4i1irQDLdAEqIn2MRzengid 02rn1zi6XW1d6SqhOIm11slkcDefx9P2xEMPqoXS3ZF81MTAe0X4L+EgAo8+rpWxn4Jx 9WEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=r/j2vvVFfb2pvvewnOqGFeHcx4HUzbo3PkGetmF0ApA=; b=n7yaQIG78DwtYSBRW10O3lxmQ2EcEWqhgEyX6+zr5QdqFHJXTDHDNAlYZYTXFI/uDh nfTpbiVpBVnpRh1mgXx3LJSo5J83AEc2cRGHbkGAt6Uj55MhZwgPPUENnwi2xaB3faGy U1EJloOXUXgQ8UksUUsQ0NPuvXSeLnHB2WPYh4pWUaDZQLtrWZVE1G4mEivEg2ByKlFl xskudiArbBd8+vAqSp9kHf5cjRZEBGbp0fWeeEcNPHA6ylMPLKD44mtSlTbxFsSA4ZwO Fe9EVE92gF6RtWBvzxsLjlpeqHBH64WhWSFWhF7tSrRUHRkB0DmQ1duCfEMfxF53ACWN tGRw== X-Gm-Message-State: APjAAAUBcuuXEkJIBtZFvSNws6Ao1epZBQUx5yrQhJMnihbSmLZGR4vN Yru88RQciDv+TFUommoH0v18LA== X-Google-Smtp-Source: APXvYqxv0PnETTPgk+VJLufuYzlw0zLVjWrKfCT95T70l/M+tfCVDewpTF2LGd/XpEf5QFkkdD6tVA== X-Received: by 2002:a25:640e:: with SMTP id y14mr6925518ybb.380.1581445814190; Tue, 11 Feb 2020 10:30:14 -0800 (PST) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id a202sm2100827ywe.8.2020.02.11.10.30.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2020 10:30:13 -0800 (PST) From: Mathieu Poirier To: agross@kernel.org, bjorn.andersson@linaro.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: msm8916: Properly deal with ETMv4 power management Date: Tue, 11 Feb 2020 11:30:11 -0700 Message-Id: <20200211183011.24720-1-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Properly deal with ETMv4 power management by adding the "coresight-loses-context-with-cpu" property. Otherwise tracer configuration is lost when CPUs enter deep idle states, resulting in the failure of the trace session. Signed-off-by: Mathieu Poirier --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 8686e101905c..846c5b4a53e8 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -1363,6 +1363,7 @@ clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>; clock-names = "apb_pclk", "atclk"; + arm,coresight-loses-context-with-cpu; cpu = <&CPU0>; @@ -1381,6 +1382,7 @@ clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>; clock-names = "apb_pclk", "atclk"; + arm,coresight-loses-context-with-cpu; cpu = <&CPU1>; @@ -1399,6 +1401,7 @@ clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>; clock-names = "apb_pclk", "atclk"; + arm,coresight-loses-context-with-cpu; cpu = <&CPU2>; @@ -1417,6 +1420,7 @@ clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>; clock-names = "apb_pclk", "atclk"; + arm,coresight-loses-context-with-cpu; cpu = <&CPU3>; -- 2.20.1