Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932072AbcC3UEm (ORCPT ); Wed, 30 Mar 2016 16:04:42 -0400 Received: from down.free-electrons.com ([37.187.137.238]:44812 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753642AbcC3UEe (ORCPT ); Wed, 30 Mar 2016 16:04:34 -0400 From: Boris Brezillon To: Thierry Reding , linux-pwm@vger.kernel.org Cc: Mike Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Mark Brown , Liam Girdwood , Kamil Debski , lm-sensors@lm-sensors.org, Jean Delvare , Guenter Roeck , Dmitry Torokhov , linux-input@vger.kernel.org, Bryan Wu , Richard Purdie , Jacek Anaszewski , linux-leds@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , linux-sunxi@googlegroups.com, Joachim Eastwood , Thomas Petazzoni , Heiko Stuebner , linux-rockchip@lists.infradead.org, Jingoo Han , Lee Jones , linux-fbdev@vger.kernel.org, Jean-Christophe Plagniol-Villard , Tomi Valkeinen , Robert Jarzmik , Alexandre Belloni , Kukjin Kim , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, Daniel Vetter , Jani Nikula , Jonathan Corbet , linux-doc@vger.kernel.org, David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Hartley Sweeten , Ryan Mallon , Alexander Shiyan , Milo Kim , Boris Brezillon Subject: [PATCH v5 02/46] backlight: pwm_bl: remove useless call to pwm_set_period() Date: Wed, 30 Mar 2016 22:03:25 +0200 Message-Id: <1459368249-13241-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1459368249-13241-1-git-send-email-boris.brezillon@free-electrons.com> References: <1459368249-13241-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 977 Lines: 27 The PWM period will be set when calling pwm_config. Remove this useless call to pwm_set_period(), which might mess up with the internal PWM state. Signed-off-by: Boris Brezillon Acked-by: Lee Jones --- drivers/video/backlight/pwm_bl.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 64f9e1b..a33a290 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -313,10 +313,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) * via the PWM lookup table. */ pb->period = pwm_get_period(pb->pwm); - if (!pb->period && (data->pwm_period_ns > 0)) { + if (!pb->period && (data->pwm_period_ns > 0)) pb->period = data->pwm_period_ns; - pwm_set_period(pb->pwm, data->pwm_period_ns); - } pb->lth_brightness = data->lth_brightness * (pb->period / pb->scale); -- 2.5.0