netdev - Re: [PATCH v11 net-next 2/9] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration

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Message-ID: <20220628183116.GD855398@euler>
Date:   Tue, 28 Jun 2022 11:31:16 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Wolfram Sang <wsa@...nel.org>,
        Terry Bowman <terry.bowman@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v11 net-next 2/9] net: mdio: mscc-miim: add ability to be
 used in a non-mmio configuration

Hi Vladimir,

On Tue, Jun 28, 2022 at 04:26:05PM +0000, Vladimir Oltean wrote:
> On Tue, Jun 28, 2022 at 01:17:02AM -0700, Colin Foster wrote:
> > There are a few Ocelot chips that contain the logic for this bus, but are
> > controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In
> > the externally controlled configurations these registers are not
> > memory-mapped.
> > 
> > Add support for these non-memory-mapped configurations.
> > 
> > Signed-off-by: Colin Foster <colin.foster@...advantage.com>
> > ---
> 
> These "add ability to be used in a non-MMIO configuration" commit
> messages are very confusing when you are only adding support for
> non-MMIO in ocelot_platform_init_regmap_from_resource() in patch 9/9.
> May I suggest a reorder?

Initially my plan was to get the MFD base functionality (SPI protocol,
chip reset, etc.) in and roll in each peripheral one at a time. That was
changed in v6 I believe...

Maybe a commit reword to suggest "utilize a helper function"?