From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753358AbbKGCfV (ORCPT <rfc822;w@1wt.eu>);
	Fri, 6 Nov 2015 21:35:21 -0500
Received: from down.free-electrons.com ([37.187.137.238]:59160 "EHLO
	mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org
	with ESMTP id S1751574AbbKGCfS (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Fri, 6 Nov 2015 21:35:18 -0500
Date: Sat, 7 Nov 2015 03:35:16 +0100
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Thierry Reding <thierry.reding@gmail.com>, linux-pwm@vger.kernel.org,
        Mark Brown <broonie@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>,
        Jingoo Han <jingoohan1@gmail.com>, Lee Jones <lee.jones@linaro.org>,
        linux-fbdev@vger.kernel.org, Bryan Wu <cooloney@gmail.com>,
        Richard Purdie <rpurdie@rpsys.net>,
        Jacek Anaszewski <j.anaszewski@samsung.com>,
        linux-leds@vger.kernel.org,
        Maxime Ripard <maxime.ripard@free-electrons.com>,
        linux-sunxi@googlegroups.com, Heiko Stuebner <heiko@sntech.de>,
        linux-rockchip@lists.infradead.org,
        Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
        Tomi Valkeinen <tomi.valkeinen@ti.com>,
        Daniel Mack <daniel@zonque.org>,
        Haojian Zhuang <haojian.zhuang@gmail.com>,
        Robert Jarzmik <robert.jarzmik@free.fr>,
        Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= 
	<u.kleine-koenig@pengutronix.de>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Doug Anderson <dianders@google.com>
Subject: Re: [PATCH v3 01/12] pwm: introduce default period and polarity
 concepts
Message-ID: <20151107023516.GB3849@piout.net>
References: <1442828009-6241-1-git-send-email-boris.brezillon@free-electrons.com>
 <1442828009-6241-2-git-send-email-boris.brezillon@free-electrons.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1442828009-6241-2-git-send-email-boris.brezillon@free-electrons.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 21/09/2015 at 11:33:18 +0200, Boris Brezillon wrote :
> When requested by a user, the PWM is assigned a default period and polarity
> extracted from the DT, the platform data or statically set by the driver.
> Those default values are currently stored in the period and polarity
> fields of the pwm_device struct, but they will be stored somewhere else
> once we have introduced the architecture allowing for hardware state
> retrieval.
> 
> The pwm_set_default_polarity and pwm_set_default_period should only be
> used by PWM drivers or the PWM core infrastructure to specify the
> default period and polarity values.
> 
> PWM users might call the pwm_get_default_period to query the default
> period value. There is currently no helper to query the default
> polarity, but it might be added later on if there is a need for it.
> 
> This patch also modifies all the places where the default helpers should
> be used in place of the standard ones.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

For pwm-sun4i:
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com