linux-kernel - Re: [PATCH v2 4/4] leds: no longer use unnamed gpios

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Message-ID: <2355733.gZvsF3iKWH@pcimr>
Date:	Thu, 22 Jan 2015 10:32:35 +0100
From:	Rojhalat Ibrahim <imr@...chenk.de>
To:	Olliver Schinagl <o.schinagl@...imaker.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Olliver Schinagl <oliver@...inagl.nl>,
	Robin Gong <b38343@...escale.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Aaron Lu <aaron.lu@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Alexander Shiyan <shc_work@...l.ru>,
	Wolfram Sang <wsa@...-dreams.de>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-input@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [PATCH v2 4/4] leds: no longer use unnamed gpios

On Wednesday 21 January 2015 22:33:48 Olliver Schinagl wrote:
> From: Olliver Schinagl <oliver@...inagl.nl>
> 
> The gpio document says we should not use unnamed bindings for gpios.
> This patch uses the 'led-' prefix to the gpios and updates code and
> documents. Because the devm_get_gpiod_from_child() falls back to using
> old-style unnamed gpios, we can update the code first, and update
> dts files as time allows.
> 
> Signed-off-by: Olliver Schinagl <oliver@...inagl.nl>

Where does devm_get_gpiod_from_child() fall back "to using old-style
unnamed gpios"?

After applying this patch the leds defined in my devicetree do not
work anymore.

   Rojhalat


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