From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: agross@kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: msm8916: Properly deal with ETMv4 power management
Date: Thu, 13 Feb 2020 21:31:33 -0800 [thread overview]
Message-ID: <20200214053133.GW3948@builder> (raw)
In-Reply-To: <20200211183011.24720-1-mathieu.poirier@linaro.org>
On Tue 11 Feb 10:30 PST 2020, Mathieu Poirier wrote:
> 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 <mathieu.poirier@linaro.org>
Applied
Thanks,
Bjorn
> ---
> 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
>
prev parent reply other threads:[~2020-02-14 5:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-11 18:30 [PATCH] arm64: dts: msm8916: Properly deal with ETMv4 power management Mathieu Poirier
2020-02-14 5:31 ` Bjorn Andersson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200214053133.GW3948@builder \
--to=bjorn.andersson@linaro.org \
--cc=agross@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.poirier@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).