From patchwork Wed Mar 30 20:03:57 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8702841 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0C43DC0553 for ; Wed, 30 Mar 2016 20:07:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3DE4C20384 for ; Wed, 30 Mar 2016 20:07:25 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 38D2C20361 for ; Wed, 30 Mar 2016 20:07:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B29BF6E8C9; Wed, 30 Mar 2016 20:06:52 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by gabe.freedesktop.org (Postfix) with ESMTP id 48E466E8A6; Wed, 30 Mar 2016 20:05:43 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id 0761D1CBE; Wed, 30 Mar 2016 22:05:41 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (LFbn-1-2159-240.w90-76.abo.wanadoo.fr [90.76.216.240]) by mail.free-electrons.com (Postfix) with ESMTPSA id F0B841824; Wed, 30 Mar 2016 22:05:17 +0200 (CEST) From: Boris Brezillon To: Thierry Reding , linux-pwm@vger.kernel.org Date: Wed, 30 Mar 2016 22:03:57 +0200 Message-Id: <1459368249-13241-35-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> Cc: Milo Kim , Kamil Debski , Heiko Stuebner , linux-doc@vger.kernel.org, David Airlie , Mike Turquette , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Alexandre Belloni , Daniel Vetter , Lee Jones , linux-clk@vger.kernel.org, linux-leds@vger.kernel.org, Boris Brezillon , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Alexander Shiyan , Jonathan Corbet , Robert Jarzmik , lm-sensors@lm-sensors.org, linux-rockchip@lists.infradead.org, Chen-Yu Tsai , Tomi Valkeinen , linux-input@vger.kernel.org, Jean-Christophe Plagniol-Villard , intel-gfx@lists.freedesktop.org, Guenter Roeck , Jean Delvare , Joachim Eastwood , Bryan Wu , Mark Brown , Jacek Anaszewski , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Ryan Mallon , Jingoo Han , Dmitry Torokhov , Stephen Boyd , Liam Girdwood , Hartley Sweeten , Richard Purdie , Kukjin Kim , Maxime Ripard Subject: [Intel-gfx] [PATCH v5 34/46] clk: pwm: switch to the atomic API X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP pwm_config/enable/disable() have been deprecated and should be replaced by pwm_apply_state(). Signed-off-by: Boris Brezillon --- drivers/clk/clk-pwm.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/clk/clk-pwm.c b/drivers/clk/clk-pwm.c index ebcd738..49ec5b1 100644 --- a/drivers/clk/clk-pwm.c +++ b/drivers/clk/clk-pwm.c @@ -28,15 +28,29 @@ static inline struct clk_pwm *to_clk_pwm(struct clk_hw *hw) static int clk_pwm_prepare(struct clk_hw *hw) { struct clk_pwm *clk_pwm = to_clk_pwm(hw); + struct pwm_state pstate; - return pwm_enable(clk_pwm->pwm); + pwm_get_state(clk_pwm->pwm, &pstate); + if (pstate.enabled) + return 0; + + pstate.enabled = true; + + return pwm_apply_state(clk_pwm->pwm, &pstate); } static void clk_pwm_unprepare(struct clk_hw *hw) { struct clk_pwm *clk_pwm = to_clk_pwm(hw); + struct pwm_state pstate; + + pwm_get_state(clk_pwm->pwm, &pstate); + if (!pstate.enabled) + return; - pwm_disable(clk_pwm->pwm); + pstate.enabled = false; + + pwm_apply_state(clk_pwm->pwm, &pstate); } static unsigned long clk_pwm_recalc_rate(struct clk_hw *hw, @@ -56,6 +70,7 @@ static const struct clk_ops clk_pwm_ops = { static int clk_pwm_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; + struct pwm_state pstate; struct pwm_args pargs = { }; struct clk_init_data init; struct clk_pwm *clk_pwm; @@ -88,7 +103,12 @@ static int clk_pwm_probe(struct platform_device *pdev) return -EINVAL; } - ret = pwm_config(pwm, (pargs.period + 1) >> 1, pargs.period); + pwm_get_state(pwm, &pstate); + pstate.period = pargs.period; + pstate.polarity = pargs.polarity; + pstate.duty_cycle = (pargs.period + 1) >> 1; + + ret = pwm_apply_state(pwm, &pstate); if (ret < 0) return ret;