From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: devicetree@vger.kernel.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Andy Gross <agross@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Mike Leach <mike.leach@linaro.org>
Subject: Re: [PATCH] arm64: dts: qcom: sdm845: Support ETMv4 power management
Date: Tue, 21 Jul 2020 09:01:13 -0600 [thread overview]
Message-ID: <20200721150113.GB1216561@xps15> (raw)
In-Reply-To: <20200721071343.2898-1-saiprakash.ranjan@codeaurora.org>
On Tue, Jul 21, 2020 at 12:43:43PM +0530, Sai Prakash Ranjan wrote:
> Add "arm,coresight-loses-context-with-cpu" property to coresight
> ETM nodes to avoid failure of trace session because of losing
> context on entering deep idle states.
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> ---
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index e506793407d8..0b5f063dcaea 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -3016,6 +3016,7 @@ etm@7040000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3035,6 +3036,7 @@ etm@7140000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3054,6 +3056,7 @@ etm@7240000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3073,6 +3076,7 @@ etm@7340000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3092,6 +3096,7 @@ etm@7440000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3111,6 +3116,7 @@ etm@7540000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3130,6 +3136,7 @@ etm@7640000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> @@ -3149,6 +3156,7 @@ etm@7740000 {
>
> clocks = <&aoss_qmp>;
> clock-names = "apb_pclk";
> + arm,coresight-loses-context-with-cpu;
>
> out-ports {
> port {
> --
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
>
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prev parent reply other threads:[~2020-07-21 15:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-21 7:13 [PATCH] arm64: dts: qcom: sdm845: Support ETMv4 power management Sai Prakash Ranjan
2020-07-21 15:01 ` Mathieu Poirier [this message]
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