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From: Rob Herring <robh@kernel.org>
To: Andrew Murray <andrew.murray@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, Al.Grant@arm.com,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	coresight@lists.linaro.org, Leo Yan <leo.yan@linaro.org>,
	Sudeep Holla <sudeep.holla@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	Mike Leach <mike.leach@linaro.org>
Subject: Re: [PATCH v6 2/3] dt-bindings: arm: coresight: Add support for coresight-loses-context-with-cpu
Date: Tue, 17 Sep 2019 12:44:48 -0500	[thread overview]
Message-ID: <20190917174448.GA22479@bogus> (raw)
In-Reply-To: <20190913115312.12943-3-andrew.murray@arm.com>

On Fri, 13 Sep 2019 12:53:11 +0100, Andrew Murray wrote:
> Some coresight components, because of choices made during hardware
> integration, require their state to be saved and restored across CPU low
> power states.
> 
> The software has no reliable method of detecting when save/restore is
> required thus let's add a binding to inform the kernel.
> 
> Signed-off-by: Andrew Murray <andrew.murray@arm.com>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/coresight.txt | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Andrew Murray <andrew.murray@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, Al.Grant@arm.com,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	coresight@lists.linaro.org, Leo Yan <leo.yan@linaro.org>,
	Sudeep Holla <sudeep.holla@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	Mike Leach <mike.leach@linaro.org>
Subject: Re: [PATCH v6 2/3] dt-bindings: arm: coresight: Add support for coresight-loses-context-with-cpu
Date: Tue, 17 Sep 2019 12:44:48 -0500	[thread overview]
Message-ID: <20190917174448.GA22479@bogus> (raw)
In-Reply-To: <20190913115312.12943-3-andrew.murray@arm.com>

On Fri, 13 Sep 2019 12:53:11 +0100, Andrew Murray wrote:
> Some coresight components, because of choices made during hardware
> integration, require their state to be saved and restored across CPU low
> power states.
> 
> The software has no reliable method of detecting when save/restore is
> required thus let's add a binding to inform the kernel.
> 
> Signed-off-by: Andrew Murray <andrew.murray@arm.com>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
>  Documentation/devicetree/bindings/arm/coresight.txt | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

  reply	other threads:[~2019-09-17 17:45 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-13 11:53 [PATCH v6 0/3] coresight: etm4x: save/restore ETMv4 context across CPU low power states Andrew Murray
2019-09-13 11:53 ` Andrew Murray
2019-09-13 11:53 ` [PATCH v6 1/3] coresight: etm4x: save/restore state " Andrew Murray
2019-09-13 11:53   ` Andrew Murray
2019-09-13 11:53 ` [PATCH v6 2/3] dt-bindings: arm: coresight: Add support for coresight-loses-context-with-cpu Andrew Murray
2019-09-13 11:53   ` Andrew Murray
2019-09-17 17:44   ` Rob Herring [this message]
2019-09-17 17:44     ` Rob Herring
2019-09-13 11:53 ` [PATCH v6 3/3] coresight: etm4x: save/restore state for external agents Andrew Murray
2019-09-13 11:53   ` Andrew Murray
2019-09-17 19:37 ` [PATCH v6 0/3] coresight: etm4x: save/restore ETMv4 context across CPU low power states Mathieu Poirier
2019-09-17 19:37   ` Mathieu Poirier
2019-09-18  8:36   ` Andrew Murray
2019-09-18  8:36     ` Andrew Murray

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