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[88.1.105.170]) by smtp.gmail.com with ESMTPSA id m4sm17653589wrb.87.2021.02.23.09.22.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Feb 2021 09:22:13 -0800 (PST) Subject: Re: [PATCH 1/2] dt-bindings: rng: bcm2835: document reset support To: Scott Branden , Florian Fainelli , Matt Mackall , Herbert Xu , Rob Herring , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Nicolas Saenz Julienne , Philipp Zabel , Alexandru Ardelean , Neil Armstrong , Lee Jones , =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Rikard Falkeborn , Stefan Wahren , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20210222194510.14004-1-noltari@gmail.com> <20210223160131.29053-1-noltari@gmail.com> <20210223160131.29053-2-noltari@gmail.com> <1b854f38-9322-71ee-5745-ee650ae92c9b@gmail.com> <23b28f9f-786d-8cdc-338f-efb4b23020a9@broadcom.com> From: =?UTF-8?Q?=c3=81lvaro_Fern=c3=a1ndez_Rojas?= Message-ID: <110b59a6-2359-89e1-5f20-7d2e1fd32a2f@gmail.com> Date: Tue, 23 Feb 2021 18:22:11 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <23b28f9f-786d-8cdc-338f-efb4b23020a9@broadcom.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: es-ES Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Hello Scott, El 23/02/2021 a las 18:17, Scott Branden escribió: > On 2021-02-23 8:36 a.m., Florian Fainelli wrote: >> >> >> On 2/23/2021 8:01 AM, Álvaro Fernández Rojas wrote: >>> Some devices may need to perform a reset before using the RNG, such as the >>> BCM6368. >>> >>> Signed-off-by: Álvaro Fernández Rojas >> >> Since the reset is unique to the 6368, you may want to make the property >> mandatory for the 6368 compatible string and optional otherwise. >> > Perhaps the reset could be done at an earlier boot stage as well and then the > reset would even be optional on 6368? > No, this isn't possible on bmips, which is device tree only. However, it's how is done in bcm63xx, which is why it wasn't needed before. Best regards, Álvaro.