linux-kernel - Re: [PATCH 1/2] dt-bindings: rng: bcm2835: document reset support

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Message-ID: <23b28f9f-786d-8cdc-338f-efb4b23020a9@broadcom.com>
Date:   Tue, 23 Feb 2021 09:17:50 -0800
From:   Scott Branden <scott.branden@...adcom.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Álvaro Fernández Rojas <noltari@...il.com>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Lee Jones <lee.jones@...aro.org>,
        Nícolas F. R. A. Prado 
        <nfraprado@...tonmail.com>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Stefan Wahren <stefan.wahren@...e.com>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: rng: bcm2835: document reset support

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 <noltari@...il.com>
> 
> 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?

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