From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: "Scott Branden" <scott.branden@broadcom.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Matt Mackall" <mpm@selenic.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Rob Herring" <robh+dt@kernel.org>, "Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
"Nicolas Saenz Julienne" <nsaenzjulienne@suse.de>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Alexandru Ardelean" <alexandru.ardelean@analog.com>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Lee Jones" <lee.jones@linaro.org>,
"Nícolas F. R. A. Prado" <nfraprado@protonmail.com>,
"Rikard Falkeborn" <rikard.falkeborn@gmail.com>,
"Stefan Wahren" <stefan.wahren@i2se.com>,
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
Subject: Re: [PATCH 1/2] dt-bindings: rng: bcm2835: document reset support
Date: Tue, 23 Feb 2021 18:22:11 +0100 [thread overview]
Message-ID: <110b59a6-2359-89e1-5f20-7d2e1fd32a2f@gmail.com> (raw)
In-Reply-To: <23b28f9f-786d-8cdc-338f-efb4b23020a9@broadcom.com>
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 <noltari@gmail.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?
>
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.
WARNING: multiple messages have this Message-ID (diff)
From: "Álvaro Fernández Rojas" <noltari@gmail.com>
To: "Scott Branden" <scott.branden@broadcom.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Matt Mackall" <mpm@selenic.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Rob Herring" <robh+dt@kernel.org>, "Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
"Nicolas Saenz Julienne" <nsaenzjulienne@suse.de>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Alexandru Ardelean" <alexandru.ardelean@analog.com>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Lee Jones" <lee.jones@linaro.org>,
"Nícolas F. R. A. Prado" <nfraprado@protonmail.com>,
"Rikard Falkeborn" <rikard.falkeborn@gmail.com>,
"Stefan Wahren" <stefan.wahren@i2se.com>,
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
Subject: Re: [PATCH 1/2] dt-bindings: rng: bcm2835: document reset support
Date: Tue, 23 Feb 2021 18:22:11 +0100 [thread overview]
Message-ID: <110b59a6-2359-89e1-5f20-7d2e1fd32a2f@gmail.com> (raw)
In-Reply-To: <23b28f9f-786d-8cdc-338f-efb4b23020a9@broadcom.com>
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 <noltari@gmail.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?
>
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.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-23 17:23 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 19:45 [PATCH] hwrng: bcm2835: add reset support Álvaro Fernández Rojas
2021-02-22 19:45 ` Álvaro Fernández Rojas
2021-02-23 16:01 ` [PATCH 0/2] " Álvaro Fernández Rojas
2021-02-23 16:01 ` Álvaro Fernández Rojas
2021-02-23 16:01 ` [PATCH 1/2] dt-bindings: rng: bcm2835: document " Álvaro Fernández Rojas
2021-02-23 16:01 ` Álvaro Fernández Rojas
2021-02-23 16:36 ` Florian Fainelli
2021-02-23 16:36 ` Florian Fainelli
2021-02-23 17:17 ` Scott Branden
2021-02-23 17:17 ` Scott Branden
2021-02-23 17:22 ` Álvaro Fernández Rojas [this message]
2021-02-23 17:22 ` Álvaro Fernández Rojas
2021-02-23 16:01 ` [PATCH 2/2] hwrng: bcm2835: add " Álvaro Fernández Rojas
2021-02-23 16:01 ` Álvaro Fernández Rojas
2021-02-24 8:22 ` [PATCH v4 0/2] " Álvaro Fernández Rojas
2021-02-24 8:22 ` Álvaro Fernández Rojas
2021-02-24 8:22 ` [PATCH v4 1/2] dt-bindings: rng: bcm2835: document " Álvaro Fernández Rojas
2021-02-24 8:22 ` Álvaro Fernández Rojas
2021-02-24 8:22 ` [PATCH v4 2/2] hwrng: bcm2835: add " Álvaro Fernández Rojas
2021-02-24 8:22 ` Álvaro Fernández Rojas
2021-03-03 13:52 ` Philipp Zabel
2021-03-03 13:52 ` Philipp Zabel
2021-03-03 14:06 ` Álvaro Fernández Rojas
2021-03-03 14:06 ` Álvaro Fernández Rojas
2021-03-03 19:16 ` Florian Fainelli
2021-03-03 19:16 ` Florian Fainelli
2021-02-23 17:00 ` [PATCH v3 0/2] " Álvaro Fernández Rojas
2021-02-23 17:00 ` Álvaro Fernández Rojas
2021-02-23 17:00 ` [PATCH v3 1/2] dt-bindings: rng: bcm2835: document " Álvaro Fernández Rojas
2021-02-23 17:00 ` Álvaro Fernández Rojas
2021-02-23 19:34 ` Rob Herring
2021-02-23 19:34 ` Rob Herring
2021-02-23 20:48 ` Álvaro Fernández Rojas
2021-02-23 20:48 ` Álvaro Fernández Rojas
2021-03-04 12:07 ` Nicolas Saenz Julienne
2021-03-04 12:07 ` Nicolas Saenz Julienne
2021-03-04 12:18 ` Álvaro Fernández Rojas
2021-03-04 12:18 ` Álvaro Fernández Rojas
2021-03-04 13:30 ` Nicolas Saenz Julienne
2021-03-04 13:30 ` Nicolas Saenz Julienne
2021-03-04 14:57 ` Álvaro Fernández Rojas
2021-03-04 14:57 ` Álvaro Fernández Rojas
2021-03-04 19:58 ` Rob Herring
2021-03-04 19:58 ` Rob Herring
2021-02-23 17:00 ` [PATCH v3 2/2] hwrng: bcm2835: add " Álvaro Fernández Rojas
2021-02-23 17:00 ` Álvaro Fernández Rojas
2021-02-23 20:43 ` Florian Fainelli
2021-02-23 20:43 ` Florian Fainelli
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