From patchwork Tue Aug 8 17:19:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 1818929 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RL3M13wmPz1yfM for ; Wed, 9 Aug 2023 05:35:41 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236506AbjHHTfj (ORCPT ); Tue, 8 Aug 2023 15:35:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236358AbjHHTfY (ORCPT ); Tue, 8 Aug 2023 15:35:24 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A07041DD7C for ; Tue, 8 Aug 2023 10:20:20 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qTQNE-0007b3-LL; Tue, 08 Aug 2023 19:20:00 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1qTQND-00229L-N7; Tue, 08 Aug 2023 19:19:59 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qTQNC-00BTFV-VR; Tue, 08 Aug 2023 19:19:58 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding Cc: linux-pwm@vger.kernel.org, kernel@pengutronix.de, Bartosz Golaszewski , Andy Shevchenko Subject: [PATCH v1 083/101] pwm: mtk-disp: Store parent device in driver data Date: Tue, 8 Aug 2023 19:19:13 +0200 Message-Id: <20230808171931.944154-84-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230808171931.944154-1-u.kleine-koenig@pengutronix.de> References: <20230808171931.944154-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2215; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=0whGQweE69mJRsEkX+qNMIZ/biiuHfY/HyDbA50LCd8=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBk0nkO7BEazb1T71vKMCz6u9cJiS2Hm/04RHDmi WBZWX2IRhCJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZNJ5DgAKCRCPgPtYfRL+ TnGxCACxr1jG+gNkawM7yAU7rweR17eOCV++Q9tyq1RQFrAwkuC0po0STkdoZJlxHbaYQ9wMVKO f8pBN2PCOlsdjvK058ZAWujdymyaLowsZnadEFbOPtgpRuOc7YHM1Vzc8qzIb7iuJ7BEuxIGRMt QZYgk2uLcNobwWmmQGvkPdSGH0+Cu/Xnj1auPcJ+yLKFZqFh82iaw88tRsrDFUlFyJ11N5Qsm4Z qjWy2LYzSmdg+/u21b9iw2/QFa6coa16YlVJyt8SGY8N+F8J8In9XMkfbJmqRDqcM6GktC8boFK L8azsUounfkjdLU1Ley1dcuQxfbNn+a/gFK8oO4UVktV11nU X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pwm@vger.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org struct pwm_chip::dev is about to change. To not have to touch this driver in the same commit as struct pwm_chip::dev, store a pointer to the parent device in driver data. Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-mtk-disp.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 0c4f88145dc6..9e51be25b2bb 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -42,6 +42,7 @@ struct mtk_pwm_data { }; struct mtk_disp_pwm { + struct device *parent; const struct mtk_pwm_data *data; struct clk *clk_main; struct clk *clk_mm; @@ -90,14 +91,14 @@ static int mtk_disp_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (!mdp->enabled) { err = clk_prepare_enable(mdp->clk_main); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", + dev_err(mdp->parent, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); return err; } err = clk_prepare_enable(mdp->clk_mm); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", + dev_err(mdp->parent, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); clk_disable_unprepare(mdp->clk_main); return err; @@ -180,13 +181,13 @@ static int mtk_disp_pwm_get_state(struct pwm_chip *chip, err = clk_prepare_enable(mdp->clk_main); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); + dev_err(mdp->parent, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); return err; } err = clk_prepare_enable(mdp->clk_mm); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); + dev_err(mdp->parent, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); clk_disable_unprepare(mdp->clk_main); return err; } @@ -239,6 +240,7 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) return PTR_ERR(chip); mdp = to_mtk_disp_pwm(chip); + mdp->parent = &pdev->dev; mdp->data = of_device_get_match_data(&pdev->dev); mdp->base = devm_platform_ioremap_resource(pdev, 0);