linux-kernel - Re: [RFC/PATCH 0/5] Support children for legacy device properties

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Message-ID: <5ab2968e-8ba5-adea-7862-3e9114623d63@intel.com>
Date:   Tue, 18 Sep 2018 22:05:24 +0200
From:   "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-input@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [RFC/PATCH 0/5] Support children for legacy device properties

On 9/17/2018 8:15 PM, Dmitry Torokhov wrote:
> The generic device properties APIs are very helpful as they allow abstracting
> away details of the platform (whether it is ACPI, device tree, or legacy board
> file), so that individual driver does not need separate code paths to support
> all variants. However there are drivers that currently can not use generic
> device properties API as they need notion of children properties, for example
> gpio_keys driver, that expects every button to be described as a sub-node of
> main device.
>
> This patch series introduces notion of sub-nodes for static properties and ties
> it up with GPIO lookup tables so that they are usable with sub-nodes as well.

I don't have any objections against this series.

Thanks,
Rafael