linux-kernel - Re: [PATCH v5 17/39] net: cirrus: add DT support for Cirrus EP93xx

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Date:   Wed, 22 Nov 2023 14:16:22 +0200
From:   Andy Shevchenko <andriy.shevchenko@...el.com>
To:     Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     Hartley Sweeten <hsweeten@...ionengravers.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v5 17/39] net: cirrus: add DT support for Cirrus EP93xx

On Wed, Nov 22, 2023 at 11:59:55AM +0300, Nikita Shubin wrote:
> - add OF ID match table
> - get phy_id from the device tree, as part of mdio
> - copy_addr is now always used, as there is no SoC/board that aren't
> - dropped platform header

...

>  #include <linux/interrupt.h>
>  #include <linux/moduleparam.h>
>  #include <linux/platform_device.h>
> +#include <linux/of.h>

Perhaps more ordering?

>  #include <linux/delay.h>
>  #include <linux/io.h>
>  #include <linux/slab.h>

...

> +	err = of_property_read_u32(np, "reg", &phy_id);
> +	of_node_put(np);
> +	if (err)
> +		return dev_err_probe(&pdev->dev, -ENOENT, "Failed to locate \"phy_id\"\n");

Why shadowing the actual error code?

> +
> +	dev = alloc_etherdev(sizeof(struct ep93xx_priv));
>  	if (dev == NULL) {
>  		err = -ENOMEM;
>  		goto err_out;
>  	}

-- 
With Best Regards,
Andy Shevchenko