linux-kernel - Re: [net-next PATCH v5 15/15] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver

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Message-ID: <CAHp75VcL1A3CxyS+KVwJsdhtQh3R12aUonPfstSgtzO4bRc1Zw@mail.gmail.com>
Date:   Mon, 8 Feb 2021 18:21:22 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Calvin Johnson <calvin.johnson@....nxp.com>
Cc:     Grant Likely <grant.likely@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Jeremy Linton <jeremy.linton@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Florin Laurentiu Chiculita <florinlaurentiu.chiculita@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Madalin Bucur <madalin.bucur@....nxp.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Marcin Wojtas <mw@...ihalf.com>,
        Pieter Jansen Van Vuuren <pieter.jansenvv@...boosystems.io>,
        Jon <jon@...id-run.com>, Saravana Kannan <saravanak@...gle.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux.cj" <linux.cj@...il.com>,
        Diana Madalina Craciun <diana.craciun@....com>,
        netdev <netdev@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Ioana Radulescu <ruxandra.radulescu@....com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [net-next PATCH v5 15/15] net: dpaa2-mac: Add ACPI support for
 DPAA2 MAC driver

On Mon, Feb 8, 2021 at 5:15 PM Calvin Johnson
<calvin.johnson@....nxp.com> wrote:
>
> Modify dpaa2_mac_connect() to support ACPI along with DT.
> Modify dpaa2_mac_get_node() to get the dpmac fwnode from either
> DT or ACPI.
>
> Replace of_get_phy_mode with fwnode_get_phy_mode to get
> phy-mode for a dpmac_node.
>
> Use helper function phylink_fwnode_phy_connect() to find phy_dev and
> connect to mac->phylink.

...

> +       if (is_of_node(dev->parent->fwnode)) {
> +               dpmacs = of_find_node_by_name(NULL, "dpmacs");
> +               if (!dpmacs)
> +                       return NULL;
> +               parent = of_fwnode_handle(dpmacs);
> +       } else if (is_acpi_node(dev->parent->fwnode)) {

> +               parent = dev->parent->fwnode;

dev_fwnode(dev->parent) ?

> +       }

...

> +               if (err) {
>                         continue;

> +               } else if (id == dpmac_id) {

Useless 'else'

> +                       if (is_of_node(dev->parent->fwnode))

dev_fwnode() ?

> +                               of_node_put(dpmacs);
> +                       return child;
> +               }

...

> +       if (is_of_node(dev->parent->fwnode))

Ditto ?

> +               of_node_put(dpmacs);

--
With Best Regards,
Andy Shevchenko