linux-kernel - Re: [PATCH v2 1/2] gpio: Add devm_fwnode_gpiod_get

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Message-ID: <20200827061607.GA3355@kozik-lap>
Date:   Thu, 27 Aug 2020 08:16:07 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] gpio: Add devm_fwnode_gpiod_get_optional() helpers

On Thu, Aug 27, 2020 at 12:04:13AM +0300, Andy Shevchenko wrote:
> On Wednesday, August 26, 2020, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> 
> > Add devm_fwnode_gpiod_get_optional() and
> > devm_fwnode_gpiod_get_index_optional() helpers, similar to regular
> > devm_gpiod optional versions.  Drivers getting GPIOs from a firmware
> > node might use it to remove some boilerplate code.
> >
> 
> 
> Shouldn't it return NULL for !GPIO case?

Indeed, good point.

Best regards,
Krzysztof