From: Rob Herring <robh@kernel.org>
To: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: linux-kernel@vger.kernel.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Leo Yan <leo.yan@linaro.org>,
Tingwei Zhang <tingwei@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
linux-arm-msm@vger.kernel.org, coresight@lists.linaro.org,
Mike Leach <mike.leach@linaro.org>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
Stephen Boyd <swboyd@chromium.org>
Subject: Re: [PATCHv3 2/2] dt-bindings: arm: coresight: Add support to skip trace unit power up
Date: Thu, 28 May 2020 08:52:26 -0600 [thread overview]
Message-ID: <20200528145226.GA44346@bogus> (raw)
In-Reply-To: <7b69c9752713ce22f04688e83ec78f8aa67c63dc.1589558615.git.saiprakash.ranjan@codeaurora.org>
On Fri, 15 May 2020 21:52:33 +0530, Sai Prakash Ranjan wrote:
> From: Tingwei Zhang <tingwei@codeaurora.org>
>
> Add "qcom,skip-power-up" property to identify systems which can
> skip powering up of trace unit since they share the same power
> domain as their CPU core. This is required to identify such
> systems with hardware errata which stops the CPU watchdog counter
> when the power up bit is set (TRCPDCR.PU).
>
> Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
> Co-developed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> ---
> Documentation/devicetree/bindings/arm/coresight.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: devicetree@vger.kernel.org,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
linux-arm-msm@vger.kernel.org, coresight@lists.linaro.org,
linux-kernel@vger.kernel.org, Stephen Boyd <swboyd@chromium.org>,
Rob Herring <robh+dt@kernel.org>,
Tingwei Zhang <tingwei@codeaurora.org>,
Leo Yan <leo.yan@linaro.org>,
linux-arm-kernel@lists.infradead.org,
Mike Leach <mike.leach@linaro.org>
Subject: Re: [PATCHv3 2/2] dt-bindings: arm: coresight: Add support to skip trace unit power up
Date: Thu, 28 May 2020 08:52:26 -0600 [thread overview]
Message-ID: <20200528145226.GA44346@bogus> (raw)
In-Reply-To: <7b69c9752713ce22f04688e83ec78f8aa67c63dc.1589558615.git.saiprakash.ranjan@codeaurora.org>
On Fri, 15 May 2020 21:52:33 +0530, Sai Prakash Ranjan wrote:
> From: Tingwei Zhang <tingwei@codeaurora.org>
>
> Add "qcom,skip-power-up" property to identify systems which can
> skip powering up of trace unit since they share the same power
> domain as their CPU core. This is required to identify such
> systems with hardware errata which stops the CPU watchdog counter
> when the power up bit is set (TRCPDCR.PU).
>
> Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
> Co-developed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> ---
> Documentation/devicetree/bindings/arm/coresight.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2020-05-28 14:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 16:22 [PATCHv3 0/2] coresight: etm4x: Add support to skip trace unit power up Sai Prakash Ranjan
2020-05-15 16:22 ` Sai Prakash Ranjan
2020-05-15 16:22 ` [PATCHv3 1/2] " Sai Prakash Ranjan
2020-05-15 16:22 ` Sai Prakash Ranjan
2020-05-15 16:22 ` [PATCHv3 2/2] dt-bindings: arm: coresight: " Sai Prakash Ranjan
2020-05-15 16:22 ` Sai Prakash Ranjan
2020-05-21 15:53 ` Mathieu Poirier
2020-05-21 15:53 ` Mathieu Poirier
2020-05-28 14:52 ` Rob Herring [this message]
2020-05-28 14:52 ` Rob Herring
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