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Message-ID: <CAGhQ9VyyWgcCZ3UoT7u8+YRdMouUuOO_7sE+-bM+JGSYhsNTrQ@mail.gmail.com>
Date:	Thu, 14 Apr 2016 21:24:47 +0200
From:	Joachim Eastwood <manabian@...il.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	linux-pwm@...r.kernel.org,
	Mike Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-clk <linux-clk@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Kamil Debski <k.debski@...sung.com>, lm-sensors@...sensors.org,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	linux-leds@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Heiko Stuebner <heiko@...ech.de>,
	linux-rockchip@...ts.infradead.org,
	Jingoo Han <jingoohan1@...il.com>,
	Lee Jones <lee.jones@...aro.org>, linux-fbdev@...r.kernel.org,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...el.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Hartley Sweeten <hsweeten@...ionengravers.com>,
	Ryan Mallon <rmallon@...il.com>,
	Alexander Shiyan <shc_work@...l.ru>,
	Milo Kim <milo.kim@...com>,
	Doug Anderson <dianders@...gle.com>,
	Caesar Wang <wxt@...k-chips.com>,
	Stephen Barber <smbarber@...omium.org>
Subject: Re: [PATCH v5 02/24] pwm: use pwm_get/set_xxx() helpers where appropriate

On 14 April 2016 at 21:17, Boris Brezillon
<boris.brezillon@...e-electrons.com> wrote:
> Use pwm_get/set_xxx() helpers instead of directly accessing the pwm->xxx
> field. Doing that will ease adaptation of the PWM framework to support
> atomic update.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> ---
> Patch generated with the following coccinelle script:
>
> --->8---
> virtual patch
>
> @@
> struct pwm_device *p;
> expression e;
> @@
> (
> -(p)->polarity = e;
> +pwm_set_polarity(p, e);
> |
> -(p)->polarity
> +pwm_get_polarity(p)
> |
> -(p)->period = e;
> +pwm_set_period(p, e);
> |
> -(p)->period
> +pwm_get_period(p)
> |
> -(p)->duty_cycle = e;
> +pwm_set_duty_cycle(p, e);
> |
> -(p)->duty_cycle
> +pwm_get_duty_cycle(p)
> )
> --->8---
> ---
>  drivers/pwm/pwm-crc.c          | 2 +-
>  drivers/pwm/pwm-lpc18xx-sct.c  | 2 +-

> diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c
> index 9861fed..19dc64c 100644
> --- a/drivers/pwm/pwm-lpc18xx-sct.c
> +++ b/drivers/pwm/pwm-lpc18xx-sct.c
> @@ -249,7 +249,7 @@ static int lpc18xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
>                            LPC18XX_PWM_EVSTATEMSK(lpc18xx_data->duty_event),
>                            LPC18XX_PWM_EVSTATEMSK_ALL);
>
> -       if (pwm->polarity == PWM_POLARITY_NORMAL) {
> +       if (pwm_get_polarity(pwm) == PWM_POLARITY_NORMAL) {
>                 set_event = lpc18xx_pwm->period_event;
>                 clear_event = lpc18xx_data->duty_event;
>                 res_action = LPC18XX_PWM_RES_SET;

For the lpc18xx-sct part:
Acked-by: Joachim Eastwood <manabian@...il.com>


regards,
Joachim Eastwood

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