netdev - Re: [PATCH v3 20/42] net: cirrus: add DT support for Cirrus EP93xx

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Message-ID: <ZLqzAhWoZ2h7kNEP@smile.fi.intel.com>
Date: Fri, 21 Jul 2023 19:32:02 +0300
From: Andy Shevchenko <andy@...nel.org>
To: nikita.shubin@...uefel.me
Cc: Hartley Sweeten <hsweeten@...ionengravers.com>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Alexander Sverdlin <alexander.sverdlin@...il.com>,
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	Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v3 20/42] net: cirrus: add DT support for Cirrus EP93xx

On Thu, Jul 20, 2023 at 02:29:20PM +0300, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@...uefel.me>
> 
> - 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

...

> +	base_addr = ioremap(mem->start, resource_size(mem));
> +	if (!base_addr)
> +		return dev_err_probe(&pdev->dev, -EIO, "Failed to ioremap ethernet registers\n");
> +
> +	np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);

Isn't it something which is done in PHY core should do for you?
Maybe Andrew Lunn can comment on this.

> +	if (!np)

Yeah, right, let's leak mapped IO address space...
And so on.

> +		return dev_err_probe(&pdev->dev, -ENODEV, "Please provide \"phy-handle\"\n");

-- 
With Best Regards,
Andy Shevchenko