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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id j21sm876224otl.70.2019.09.17.10.44.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Sep 2019 10:44:48 -0700 (PDT) Date: Tue, 17 Sep 2019 12:44:48 -0500 From: Rob Herring To: Andrew Murray Subject: Re: [PATCH v6 2/3] dt-bindings: arm: coresight: Add support for coresight-loses-context-with-cpu Message-ID: <20190917174448.GA22479@bogus> References: <20190913115312.12943-1-andrew.murray@arm.com> <20190913115312.12943-3-andrew.murray@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190913115312.12943-3-andrew.murray@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190917_104450_852957_46DFA47F X-CRM114-Status: GOOD ( 10.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Al.Grant@arm.com, Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , coresight@lists.linaro.org, Leo Yan , Sudeep Holla , linux-arm-kernel@lists.infradead.org, Mike Leach Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > Reviewed-by: Mathieu Poirier > Reviewed-by: Suzuki K Poulose > --- > Documentation/devicetree/bindings/arm/coresight.txt | 9 +++++++++ > 1 file changed, 9 insertions(+) > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel