From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH v3 20/20] dt-bindings: pwm: sti: Update DT bindings with
 recent changes
Date: Fri, 10 Jun 2016 15:10:08 +0200
Message-ID: <20160610131008.GF27142@ulmo.ba.sec>
References: <20160608092135.21184-1-lee.jones@linaro.org>
 <20160608092135.21184-21-lee.jones@linaro.org>
 <20160608205152.GA5511@rob-hp-laptop>
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In-Reply-To: <20160608205152.GA5511@rob-hp-laptop>
Sender: linux-kernel-owner@vger.kernel.org
To: Rob Herring <robh@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@stlinux.com, maxime.coquelin@st.com, patrice.chotard@st.com, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org
List-Id: devicetree@vger.kernel.org


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On Wed, Jun 08, 2016 at 03:51:52PM -0500, Rob Herring wrote:
> On Wed, Jun 08, 2016 at 10:21:35AM +0100, Lee Jones wrote:
> > We're renaming the 'st,pwm-num-chan' binding to 'st,pwm-num-devs' to
> > be more inline with the naming conventions of the subsystem.  Where
> > we used to treat each line as a channel, the PWM convention is to
> > describe them as devices.
>=20
> That's all linux implementation details and you are breaking=20
> compatibility.

While it's true that the API calls channels struct pwm_device, that's
primarily for historical reasons. It's completely fine, and in fact most
drivers already do exactly that, to internally refer to channels as
channels.

Thierry

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