linux-kernel - Re: [PATCH v2 1/6] device property: Add functions for accessing node's parents

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Message-ID: <20190329141419.GY9224@smile.fi.intel.com>
Date:   Fri, 29 Mar 2019 16:14:19 +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 1/6] device property: Add functions for accessing
 node's parents

On Fri, Mar 29, 2019 at 03:04:36PM +0200, Sakari Ailus wrote:
> On Thu, Mar 28, 2019 at 03:10:36PM +0100, Petr Mladek wrote:

> You basically have to have a reference to a node until you're done
> accessing it. The refcounting in the fwnode framework is based on the OF
> API --- otherwise you couldn't access OF nodes using the framework.

> ACPI
> does not have those (as you can't dynamically remove nodes).

What about configfs where we can load / unload tables at run time?

> The newly
> added swnode does have refcounting of individual nodes as well.

-- 
With Best Regards,
Andy Shevchenko