linux-kernel - Re: [PATCH v2] gpio: return NULL from gpiod_get

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Message-ID: <20170222184913.dvl5vdipm6vnqvw4@sirena.org.uk>
Date:   Wed, 22 Feb 2017 10:49:13 -0800
From:   Mark Brown <broonie@...nel.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] gpio: return NULL from gpiod_get_optional when
 GPIOLIB is disabled

On Wed, Feb 22, 2017 at 10:27:25AM -0800, Dmitry Torokhov wrote:

> The point is that they return the same value when regulator is not
> present and when regulator support is compiled out. GPIOLIB returns NULL
> and -ENOSYS respectively, and I contend that this is wrong and needs to
> be resolved first.

FWIW this makes sense to me.

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