linux-kernel - Re: [PATCH v2 3/6] device property: Add a function to obtain a node's prefix

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Date:   Tue, 26 Mar 2019 15:16:26 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     Petr Mladek <pmladek@...e.com>, linux-kernel@...r.kernel.org,
        rafael@...nel.org, linux-acpi@...r.kernel.org,
        devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2 3/6] device property: Add a function to obtain a
 node's prefix

On Tue, Mar 26, 2019 at 02:41:03PM +0200, Sakari Ailus wrote:
> The prefix is used for printing purpose before a node, and it also works
> as a separator between two nodes.
> 

One nit below.

> +static const char *
> +acpi_fwnode_get_name_prefix(const struct fwnode_handle *fwnode)
> +{
> +	struct fwnode_handle *parent;
> +

> +	parent = fwnode_get_parent(fwnode);
> +	/* Root node. */

I guess a comment could be easier to read if it goes before parent assignment
line.

> +	if (!parent)
> +		return "";
> +
> +	parent = fwnode_get_next_parent(parent);
> +	/* Second node from the root; no prefix here either. */

Ditto.

> +	if (!parent)
> +		return "";
> +
> +	fwnode_handle_put(parent);
> +
> +	/* ACPI device or data node. */
> +	return ".";
> +}

-- 
With Best Regards,
Andy Shevchenko