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Sun, 05 Jun 2022 14:21:17 -0700 (PDT) Received: from robh.at.kernel.org ([2607:fb90:ac97:ac63:b5fd:aa9:8d74:9989]) by smtp.gmail.com with ESMTPSA id l22-20020a05620a28d600b006a5bc8e956esm10638778qkp.133.2022.06.05.14.21.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Jun 2022 14:21:17 -0700 (PDT) Received: (nullmailer pid 3538420 invoked by uid 1000); Sun, 05 Jun 2022 21:21:14 -0000 Date: Sun, 5 Jun 2022 16:21:14 -0500 From: Rob Herring To: Vabhav Sharma Cc: horia.geanta@nxp.com, gaurav.jain@nxp.com, pankaj.gupta@nxp.com, herbert@gondor.apana.org.au, davem@davemloft.net, shawnguo@kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, silvano.dininno@nxp.com, V.Sethi@nxp.com Subject: Re: [PATCH 1/3] dt-bindings: crypto: fsl: add entropy delay property Message-ID: <20220605212114.GA3528129-robh@kernel.org> References: <20220530180924.1792399-1-vabhav.sharma@nxp.com> <20220530180924.1792399-2-vabhav.sharma@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220530180924.1792399-2-vabhav.sharma@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220605_142119_175142_60476E8F X-CRM114-Status: GOOD ( 16.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 30, 2022 at 11:39:22PM +0530, Vabhav Sharma wrote: > Add entropy delay property which defines the length (in system clocks) of > each Entropy sample taken for TRNG configuration. > > Signed-off-by: Vabhav Sharma > Reviewed-by: Horia Geanta > Reviewed-by: Varun Sethi > --- > Documentation/devicetree/bindings/crypto/fsl-sec4.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt > index 8f359f473ada..1477294eda38 100644 > --- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt > +++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt > @@ -62,6 +62,12 @@ PROPERTIES > Definition: A standard property. Define the 'ERA' of the SEC > device. > > + - entropy-delay > + Usage: optional > + Value type: > + Definition: A property which specifies the length (in system clocks) > + of each Entropy sample taken. > + Seems like this could be common, but should be a time value (with unit suffix) rather than clocks. If not common, then needs a vendor prefix. Is this time to read a value or time between values produced? Not really clear from the description. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel