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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id 3sm9698235pfo.27.2020.05.18.11.52.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2020 11:52:47 -0700 (PDT) Date: Mon, 18 May 2020 11:51:24 -0700 From: Bjorn Andersson To: Sai Prakash Ranjan Cc: Mathieu Poirier , Suzuki K Poulose , Mike Leach , devicetree@vger.kernel.org, Rob Herring , Andy Gross , Stephen Boyd , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, coresight@lists.linaro.org Subject: Re: [PATCH 1/2] arm64: dts: qcom: sc7180: Support ETMv4 power management Message-ID: <20200518185124.GG2165@builder.lan> References: <56a5563205da61c47eb4f8bbf6120e28@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56a5563205da61c47eb4f8bbf6120e28@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 15 May 03:55 PDT 2020, Sai Prakash Ranjan wrote: > Hi Bjorn, > Hi Sai, > On 2020-05-15 16:21, Sai Prakash Ranjan wrote: > > Now that deep idle states are properly supported on SC7180, > > we need to add "coresight-loses-context-with-cpu" property > > to avoid failure of trace session because of losing context > > on entering deep idle states. > > > > Reviewed-by: Stephen Boyd > > Signed-off-by: Sai Prakash Ranjan > > --- > > > > Resending this because the last patch sent here - > > https://lore.kernel.org/patchwork/patch/1230367/ > > seems to have added "coresight-loses-context-with-cpu" to > > replicator node instead of etm7 node. > > > > --- > > arch/arm64/boot/dts/qcom/sc7180.dtsi | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi > > b/arch/arm64/boot/dts/qcom/sc7180.dtsi > > index 4069bb1c93af..8b3707347547 100644 > > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > > @@ -1656,6 +1656,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1674,6 +1675,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1692,6 +1694,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1710,6 +1713,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1728,6 +1732,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1746,6 +1751,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1764,6 +1770,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > @@ -1782,6 +1789,7 @@ > > > > clocks = <&aoss_qmp>; > > clock-names = "apb_pclk"; > > + arm,coresight-loses-context-with-cpu; > > > > out-ports { > > port { > > > The previous version of this patch in QCOM tree seems to have added the > property to replicator node instead of etm7 node, can you please drop > that from the tree and apply this one? > I'm not able to replace the old commit without rewriting the history of the branch. So I've applied a patch ontop of the branch to fix this up instead. Please review the branch and let me know if there's any issues. Regards, Bjorn