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[69.220.158.6]) by smtp.gmail.com with ESMTPSA id p68sm562541qka.78.2020.09.02.13.01.34 (version=TLS1 cipher=ECDHE-ECDSA-AES128-SHA bits=128/128); Wed, 02 Sep 2020 13:01:34 -0700 (PDT) From: Nachammai Karuppiah To: Steven Rostedt , Ingo Molnar , Rob Herring , Frank Rowand , Kees Cook , Anton Vorontsov , Colin Cross , Tony Luck Cc: joel@joelfernandes.org, linux-kernel@vger.kernel.org, Nachammai Karuppiah Subject: [RFC PATCH 7/7] dt-bindings: ramtrace: Add ramtrace DT node Date: Wed, 2 Sep 2020 13:00:22 -0700 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add ramtrace as child node of /reserved-memory. Signed-off-by: Nachammai Karuppiah --- .../devicetree/bindings/reserved-memory/ramtrace.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 Documentation/devicetree/bindings/reserved-memory/ramtrace.txt diff --git a/Documentation/devicetree/bindings/reserved-memory/ramtrace.txt b/Documentation/devicetree/bindings/reserved-memory/ramtrace.txt new file mode 100644 index 0000000..0a8515c --- /dev/null +++ b/Documentation/devicetree/bindings/reserved-memory/ramtrace.txt @@ -0,0 +1,13 @@ +Ramtrace trace events logger +============================ + +ramtrace provides persistent RAM storage for ring buffer in which the trace +events are recorded, so they can be recovered after a reboot. This is a +child-node of "/reserved-memory", and is named "ramtrace" after the backend, +rather than "pstore" which is the subsystem. + +Required properties: + +- compatible: must be "ramtrace" + +- reg: region of memory that is preserved between reboots -- 2.7.4