netdev - Re: [PATCH 1/3] reset: microchip-sparx5: issue a reset on startup

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Message-ID: <392c923d59b581fdc9c8f8a13a2ae258@walle.cc>
Date:   Mon, 29 Aug 2022 11:22:30 +0200
From:   Michael Walle <michael@...le.cc>
To:     Steen Hegelund <steen.hegelund@...rochip.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] reset: microchip-sparx5: issue a reset on startup

Hi Steen,

Am 2022-08-29 11:14, schrieb Steen Hegelund:
> On Fri, 2022-08-26 at 13:56 +0200, Michael Walle wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know 
>> the content is safe
>> 
>> Originally this was used in by the switch core driver to issue a 
>> reset.
>> But it turns out, this isn't just a switch core reset but instead it
>> will reset almost the complete SoC.
>> 
>> Instead of adding almost all devices of the SoC a shared reset line,
>> issue the reset once early on startup. Keep the reset controller for
>> backwards compatibility, but make the actual reset a noop.
>> 
>> Suggested-by: Philipp Zabel <p.zabel@...gutronix.de>
>> Signed-off-by: Michael Walle <michael@...le.cc>
..

> Tested-by: Steen Hegelund <Steen.Hegelund@...rochip.com> on Sparx5

Thanks for testing!

-michael