From patchwork Wed Feb 14 09:31:01 2024 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: 13556146 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 14E44C48BEB for ; Wed, 14 Feb 2024 09:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A6wH0gthwytiAZpK5SKEk50QKemUhC+cVNYXXMnvalg=; b=dpp/AzVi9cGsy4 ISqDJkbDF44NbUvUSeFNTVoLwUODp1dcrIb2OV5C+u6fqpp+sfYKQEBnQaWdAmQV3Tg/xko5u4hnL Y71QpiqpyPotgsxNrszUoCHwqLek1/Ps1aMAVhaqq1jM+TUX5Q1+iNdpKjiHeJFAnE+TRrNjgjQYW pbC/YST7EnI1jkc/LzzClTPxEZ99llIWCPL/4eHhHr/4AC4c/LfL0h7tIREsp23vVstXPktK+osRz fygxyXuqpWjkmr7Q05ACvw1dAOyc9PB9KT2cQhx19OCtfzO6xA1SBBEbw5Nt0rgrfgekiUOcF4aEW 8Bfpy8RsaTZV4mCVR+LQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raBfn-0000000CL4K-40Bd; Wed, 14 Feb 2024 09:35:23 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1raBew-0000000CKAn-0ucc for linux-arm-kernel@lists.infradead.org; Wed, 14 Feb 2024 09:34:33 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1raBem-0004SP-Jt; Wed, 14 Feb 2024 10:34:20 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1raBem-000f8C-12; Wed, 14 Feb 2024 10:34:20 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1raBel-004Y0Z-35; Wed, 14 Feb 2024 10:34:19 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , linux-pwm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH v6 014/164] pwm: atmel-tcb: Prepare removing pwm_chip from driver data Date: Wed, 14 Feb 2024 10:31:01 +0100 Message-ID: <6a90083e9d1ab1c34422161593d6d7a669143217.1707900770.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2965; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=htoxrxIlwaLwjopQ63rpcgTQhJzSwxqxqj++4pG3I1o=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlzIhaYM8JRw/Z25vhHWsv0oehVYnQlrBF+AYGC LAxoH1LFeuJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZcyIWgAKCRCPgPtYfRL+ Tvv0B/0UXxoSjXFNxVv/oVSW5xaB3nNgJr09ya84Gy/mT/OeeN9tjbzp4XSc+YRpBAaGq672U0H CpkC2ytUTEMywuN0nYw2VZQ0hmpHr5HKkIoQUSdwCbkO8xbhwvKU+KLBHrI8Bw1urTP+WON9BeI jyMNyUDitPVhieCS50LYZbb5UMizBJCFVKL35zZlLx3kVslpSEqBB8AIz81s3oAWe8Kx++W/JS0 jCpv1NqYbX6SZoeFsQQHaat+X1Lg5Dwg4ZWyjOEo7M+gWJv/yZJ2y0Tf7KY3QA4ec2jU3l3ukUB Eg/e6b3vspTuptCQJ8ZbX0hoOUytaaKCtSiYF6EICx6G5ewW 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.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240214_013430_346345_DD92481B X-CRM114-Status: GOOD ( 15.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This prepares the driver for further changes that will drop struct pwm_chip chip from struct atmel_tcb_pwm_chip. Use the pwm_chip as driver data instead of the atmel_tcb_pwm_chip to get access to the pwm_chip in the .suspend() and .resume() callbacks and atmel_tcb_pwm_remove() without using tcbpwm->chip. Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-atmel-tcb.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index 80121ab81a01..9d928e26b403 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -388,6 +388,7 @@ static const struct of_device_id atmel_tcb_of_match[] = { static int atmel_tcb_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; const struct of_device_id *match; struct atmel_tcb_pwm_chip *tcbpwm; const struct atmel_tcb_config *config; @@ -436,9 +437,10 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) } } - tcbpwm->chip.dev = &pdev->dev; - tcbpwm->chip.ops = &atmel_tcb_pwm_ops; - tcbpwm->chip.npwm = NPWM; + chip = &tcbpwm->chip; + chip->dev = &pdev->dev; + chip->ops = &atmel_tcb_pwm_ops; + chip->npwm = NPWM; tcbpwm->channel = channel; tcbpwm->width = config->counter_width; @@ -448,11 +450,11 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) spin_lock_init(&tcbpwm->lock); - err = pwmchip_add(&tcbpwm->chip); + err = pwmchip_add(chip); if (err < 0) goto err_disable_clk; - platform_set_drvdata(pdev, tcbpwm); + platform_set_drvdata(pdev, chip); return 0; @@ -473,9 +475,10 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) static void atmel_tcb_pwm_remove(struct platform_device *pdev) { - struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev); + struct pwm_chip *chip = platform_get_drvdata(pdev); + struct atmel_tcb_pwm_chip *tcbpwm = to_tcb_chip(chip); - pwmchip_remove(&tcbpwm->chip); + pwmchip_remove(chip); clk_disable_unprepare(tcbpwm->slow_clk); clk_put(tcbpwm->gclk); @@ -491,7 +494,8 @@ MODULE_DEVICE_TABLE(of, atmel_tcb_pwm_dt_ids); static int atmel_tcb_pwm_suspend(struct device *dev) { - struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev); + struct pwm_chip *chip = dev_get_drvdata(dev); + struct atmel_tcb_pwm_chip *tcbpwm = to_tcb_chip(chip); struct atmel_tcb_channel *chan = &tcbpwm->bkup; unsigned int channel = tcbpwm->channel; @@ -505,7 +509,8 @@ static int atmel_tcb_pwm_suspend(struct device *dev) static int atmel_tcb_pwm_resume(struct device *dev) { - struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev); + struct pwm_chip *chip = dev_get_drvdata(dev); + struct atmel_tcb_pwm_chip *tcbpwm = to_tcb_chip(chip); struct atmel_tcb_channel *chan = &tcbpwm->bkup; unsigned int channel = tcbpwm->channel;