linux-kernel - Re: [PATCH 2/3] software node: Introduce device_add_software

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Message-ID: <20200825143228.GK1891694@smile.fi.intel.com>
Date:   Tue, 25 Aug 2020 17:32:28 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Felipe Balbi <balbi@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH 2/3] software node: Introduce device_add_software_node()

On Tue, Aug 25, 2020 at 04:59:50PM +0300, Heikki Krogerus wrote:
> This helper will register a software node and then assign
> it to device at the same time. The function will also make
> sure that the device can't have more than one software node.

> +	/* Only one software node per device. */
> +	if (dev_to_swnode(dev))
> +		return -EBUSY;

> +	swnode = dev_to_swnode(dev);
> +	if (!swnode)
> +		return;

Hmm... I didn't find implementation of dev_to_swnode().
What did I miss?

-- 
With Best Regards,
Andy Shevchenko