From patchwork Mon Oct 5 20:34:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alexander Dahl X-Patchwork-Id: 11817647 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AF855112E for ; Mon, 5 Oct 2020 20:37:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A14DA21534 for ; Mon, 5 Oct 2020 20:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729717AbgJEUhB (ORCPT ); Mon, 5 Oct 2020 16:37:01 -0400 Received: from mout.kundenserver.de ([212.227.17.24]:37855 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729231AbgJEUgY (ORCPT ); Mon, 5 Oct 2020 16:36:24 -0400 Received: from methusalix.internal.home.lespocky.de ([92.117.55.152]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1Mf0uq-1krT710Xnu-00gc2C; Mon, 05 Oct 2020 22:35:49 +0200 Received: from lemmy.internal.home.lespocky.de ([192.168.243.176] helo=lemmy.home.lespocky.de) by methusalix.internal.home.lespocky.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1kPXD0-0004Vs-2D; Mon, 05 Oct 2020 22:35:47 +0200 Received: (nullmailer pid 10299 invoked by uid 2001); Mon, 05 Oct 2020 20:35:35 -0000 From: Alexander Dahl To: Pavel Machek , Dan Murphy , Rob Herring Cc: Alexander Dahl , Jacek Anaszewski , Alexander Dahl , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-amlogic@lists.infradead.org, linux-mips@vger.kernel.org, Denis Osterland-Heim , =?utf-8?q?Marek_Beh=C3=BA?= =?utf-8?q?n?= Subject: [PATCH v7 01/12] leds: pwm: Remove platform_data support Date: Mon, 5 Oct 2020 22:34:40 +0200 Message-Id: <20201005203451.9985-2-post@lespocky.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201005203451.9985-1-post@lespocky.de> References: <20201005203451.9985-1-post@lespocky.de> MIME-Version: 1.0 X-Scan-Signature: 60b617cbd4bf9c2e08b69b262f748e48 X-Spam-Score: -2.9 (--) X-Provags-ID: V03:K1:F6CgTqFAM3Qqi3ZE0tnTBE4mNujqwFryfVD6rzRWENkVcmWDhRr ou4O8IwayvYCgYv1NB2QHjUyKASNO7CpeAclu6bjzPbL58Yz1gjVaTbdDBLPyxkddbNmtuS u/zezbz5ZKHIwKkOlUPALYQ/zqHv8QRZ0g1AFFM4I9nHeiA/U1S+TTqF/YMxJ9jyNM1FNbS lbO7btq+DmlmbcWrsSohA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:dEdS/I+Xl2I=:PiLtBsHPvNdnKu/d/mxmsJ rEdBMUdvRuwWDDKxyaDMAHPYxYM88Oedh0ZKhZCTBisht7o/bSAwwCmh5yLjH++jYj4GKdY7h iKf9faeQjYQ8Ul4FLjZDsbZIstFJNoq8pwE7EckpgkTRHOVrrokkfm5tODmAzdlLvH34+xPJh mXYvgsGtDDL2pCp03/03mON0DCWPhB8XG0B2w+LcGABS23CL035nuH2fHjD/Xe4YfBvLBaaGV OsUZlv6HNVFtuUgrjhxmj4iwkoPovo/J3QCJ3651JqQUcbDtx6V1urdeVT7QyFvQ0IZsF+z54 /zUMHwh75CMpvTC9OWDjTLDWGYoXwCg6i4tsD4YZ6yTIRXSea9xId5KCg6Gs06SXX63UrrTbO AZpMIvSUeqlk3KM1a9fxNa9vr2cV9HKYu/G584ctHMX803O3BHZL5qe7267p8pKo2HTpfnOpv AvSbJMMgZ9LWEiTRg6XCaBS5pvXx6EwASb20FVKHtAX1sNf9dko+psaZplMFMh2r25Nn1LAQx CuWxdse3MucWTkS3+d4Uws/qJ7L2thzCqLDJ/EjVWtA3LuLBLhXxAoTE2B7L3Vx929KdAv7AJ lDtKP1Um9mgL0Jehee0bzE3MedQbE4oRQ3Fgg3bgbIyxVnvgm21DKOcXWFmkqqGTwsrvJuc1r ZfGlonYTZeJIeu3YQqUy4gapBGXY0N24kLYZmeD/ygjyKgSyusCoz8l/Ymf3n85CCdzO0N4Ga B3dHGs6BYAKGvKUYWYRaGPLF+l9pHvmSMgRx1RKA8i0KLNenqDT+W+t9hlBIW86kFKkRDIcKp 7r7xrzNZi6L+vlKt/FWCmHM/PrxbfGJw1EMyW0qrs8fB7ujLAO/XY0VmcS9HjeU1LiAtIqw Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Since commit 141f15c66d94 ("leds: pwm: remove header") that platform interface is not usable from outside and there seems to be no in tree user anymore. All in-tree users of the leds-pwm driver seem to use DT currently. Getting rid of the old platform interface allows the leds-pwm driver to switch over from 'devm_led_classdev_register()' to 'devm_led_classdev_register_ext()'. Signed-off-by: Alexander Dahl Cc: Denis Osterland-Heim Reviewed-by: Marek Behún --- Notes: v6 -> v7: * (no changes on this patch) v5 -> v6: * added Reviewed-by from Marek * minimal commit message rewording, because a later patch was already applied v5: * added this patch to series (replacing another patch with a not working, different approach) drivers/leds/leds-pwm.c | 30 +++++------------------------- 1 file changed, 5 insertions(+), 25 deletions(-) diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index 2a16ae0bf022..f53f9309ca6c 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -24,11 +24,6 @@ struct led_pwm { unsigned int max_brightness; }; -struct led_pwm_platform_data { - int num_leds; - struct led_pwm *leds; -}; - struct led_pwm_data { struct led_classdev cdev; struct pwm_device *pwm; @@ -60,6 +55,7 @@ static int led_pwm_set(struct led_classdev *led_cdev, return pwm_apply_state(led_dat->pwm, &led_dat->pwmstate); } +__attribute__((nonnull)) static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv, struct led_pwm *led, struct fwnode_handle *fwnode) { @@ -73,10 +69,7 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv, led_data->cdev.max_brightness = led->max_brightness; led_data->cdev.flags = LED_CORE_SUSPENDRESUME; - if (fwnode) - led_data->pwm = devm_fwnode_pwm_get(dev, fwnode, NULL); - else - led_data->pwm = devm_pwm_get(dev, led->name); + led_data->pwm = devm_fwnode_pwm_get(dev, fwnode, NULL); if (IS_ERR(led_data->pwm)) return dev_err_probe(dev, PTR_ERR(led_data->pwm), "unable to request PWM for %s\n", @@ -139,15 +132,11 @@ static int led_pwm_create_fwnode(struct device *dev, struct led_pwm_priv *priv) static int led_pwm_probe(struct platform_device *pdev) { - struct led_pwm_platform_data *pdata = dev_get_platdata(&pdev->dev); struct led_pwm_priv *priv; - int count, i; int ret = 0; + int count; - if (pdata) - count = pdata->num_leds; - else - count = device_get_child_node_count(&pdev->dev); + count = device_get_child_node_count(&pdev->dev); if (!count) return -EINVAL; @@ -157,16 +146,7 @@ static int led_pwm_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - if (pdata) { - for (i = 0; i < count; i++) { - ret = led_pwm_add(&pdev->dev, priv, &pdata->leds[i], - NULL); - if (ret) - break; - } - } else { - ret = led_pwm_create_fwnode(&pdev->dev, priv); - } + ret = led_pwm_create_fwnode(&pdev->dev, priv); if (ret) return ret;