From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932372AbcC3UMZ (ORCPT ); Wed, 30 Mar 2016 16:12:25 -0400 Received: from down.free-electrons.com ([37.187.137.238]:45531 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755288AbcC3UFh (ORCPT ); Wed, 30 Mar 2016 16:05:37 -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 28/46] regulator: pwm: swith to the atomic PWM API Date: Wed, 30 Mar 2016 22:03:51 +0200 Message-Id: <1459368249-13241-29-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 pwm_config/enable/disable() have been deprecated in favor of pwm_apply_state(). Replace all those calls with the equivalent pwm_get/apply_state(). Signed-off-by: Boris Brezillon --- drivers/regulator/pwm-regulator.c | 54 ++++++++++++++++++++++++--------------- 1 file changed, 34 insertions(+), 20 deletions(-) diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index 9590fb0..42cc312 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -59,16 +59,18 @@ static int pwm_regulator_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev); - struct pwm_args pargs = { }; - int dutycycle; + struct pwm_state pstate = { }; + u64 dutycycle; int ret; - pwm_get_args(drvdata->pwm, &pargs); + pwm_get_state(drvdata->pwm, &pstate); - dutycycle = (pargs.period * - drvdata->duty_cycle_table[selector].dutycycle) / 100; + dutycycle = drvdata->duty_cycle_table[selector].dutycycle; + dutycycle *= pstate.period; + do_div(dutycycle, 100); + pstate.duty_cycle = dutycycle; - ret = pwm_config(drvdata->pwm, dutycycle, pargs.period); + ret = pwm_apply_state(drvdata->pwm, &pstate); if (ret) { dev_err(&rdev->dev, "Failed to configure PWM\n"); return ret; @@ -93,24 +95,39 @@ static int pwm_regulator_list_voltage(struct regulator_dev *rdev, static int pwm_regulator_enable(struct regulator_dev *dev) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(dev); + struct pwm_state pstate = { }; + + pwm_get_state(drvdata->pwm, &pstate); + if (pstate.enabled) + return 0; + + pstate.enabled = true; - return pwm_enable(drvdata->pwm); + return pwm_apply_state(drvdata->pwm, &pstate); } static int pwm_regulator_disable(struct regulator_dev *dev) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(dev); + struct pwm_state pstate = { }; - pwm_disable(drvdata->pwm); + pwm_get_state(drvdata->pwm, &pstate); + if (!pstate.enabled) + return 0; - return 0; + pstate.enabled = false; + + return pwm_apply_state(drvdata->pwm, &pstate); } static int pwm_regulator_is_enabled(struct regulator_dev *dev) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(dev); + struct pwm_state pstate = { }; - return pwm_is_enabled(drvdata->pwm); + pwm_get_state(drvdata->pwm, &pstate); + + return pstate.enabled; } /** @@ -138,25 +155,22 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev, { struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev); unsigned int ramp_delay = rdev->constraints->ramp_delay; - struct pwm_args pargs = { }; - int duty_cycle; + struct pwm_state pstate = { }; + u64 duty_cycle; int ret; - pwm_get_args(drvdata->pwm, &pargs); + pwm_get_state(drvdata->pwm, &pstate); duty_cycle = pwm_voltage_to_duty_cycle_percentage(rdev, min_uV); + duty_cycle *= pstate.period; + do_div(duty_cycle, 100); + pstate.duty_cycle = duty_cycle; - ret = pwm_config(drvdata->pwm, (pargs.period / 100) * duty_cycle, - pargs.period); + ret = pwm_apply_state(drvdata->pwm, &pstate); if (ret) { dev_err(&rdev->dev, "Failed to configure PWM\n"); return ret; } - ret = pwm_enable(drvdata->pwm); - if (ret) { - dev_err(&rdev->dev, "Failed to enable PWM\n"); - return ret; - } drvdata->volt_uV = min_uV; /* Delay required by PWM regulator to settle to the new voltage */ -- 2.5.0